HomeMy WebLinkAbout19432 45TH DR NE_BLD20100136_2026 CITY OF ARLINGTON
238 N.OLYMPIC AVE.-ARLINGTON,WA.98223
♦ PHONE:(360)403-3421
Permit#: BLD20100136
; e
Project Address: 19432 45TH DR, ARLINGTON
Parcel No: 00930600003200
PROP
WATSON PHILLIP WATSON PHILLIP BRENNAN HEATING
19432 45TH DR NE 19432 45TH DR NE 4601 S 134TH PL
ARLINGTON,WA 98223-4758 ARLINGTON,WA 98223-475 SEATTLE,WA 98168-
Phone:( ) - Ext Phone:( ) - Ext. LICENSE#:BRENNHE971 R9 EXP:12/29/2011
Email: Email:
N119051OULCKC&TRACTOR MECHANICAL CONTRACTOR
Lic#: I s r Lick Ex :
JOB DESCRIPTION
FUNANCE INSTALL
VALUATION: $0
PERMIT TYPE:Residential PERMIT GROUP:Mechanical/Solar
NUMBER OF STORIES:0 1 TYPE OF CONSTRUCTION:
NUMBER OF DWELLING UNITS:0 OCCUPANT GROUP:
CODE:2006 OCCUPANT LOAD:
BASEMENT:0 1 ST FLOOR:0 2ND FLOOR:0 "BASEMENT:0 1 ST FLOOR:0 2ND FLOOR:0
3RD FLOOR:0 GARAGE:0 DECK:0 OTHER:0 13RD FLOOR:0 GARAGE:0 DECK:0 OTHER:0
SETBACKFRONT 1E SftBACK REAR SETBACK
RE UIRED: PROPOSED: REQUIRED PROPOSED: RE UIRED` PROPOSED:
IIEIGHT ALLOWED:0 PROPOSED:O RE UIRED PROPOSED-
SETBACK NOTES:
PIAMMAPPROVA 1,
i AGREE TO COMPLY WITH CITY AND STATE LAWS REGULATING CONSTRUCTION AND IN DOING THE WORK AUTHORIZED THEREBY,NO
PERSON WILL BE EMPLOYED IN VIOLATION OF THE LABOR CODE OF THE STATE OF WASHINGTON RELATING TO WORKMEN'S
COMPENSATION INSURANCE AND RCW 18:27.
THIS APPLICATION IS NOT A PERMIT UNTIL SIGNED BY THE BUILDING OFFICIAL OR HIS/HER DEPUTY AND ALL FEES ARE PAID.
Signature Print Name Date Released By bat
ATTENTION
IT IS UNLAWFUL TO USE OR OCCUPY A BUILDING OR STRUCTURE UNTIL A FINAL INSPECTION HAS BEEN MADE AND APPROVAL OR A CERTIFICATE OF
OCCUPANCY HAS BEEN GRANTED.UBC109/I13C110/IRCI10,
v -
ARCHIVE APPLICANT ASSESSOR OTHER
BLD20100136
CONDITIONS
• None
Date Description Fee Amount Paid Balance Due
10/15/2010 C-Mechanical Permit Fee $65.00 $0.00 $65.00
Total Duc: $65.00 $0.00 $65.00
THIS PERMIT AUTHORIZES ONLY THE WORK NOTED.THIS PERMIT COVERS WORK TO BE DONE ON PRIVATE PROPERTY ONLY.ANY CONSTRUCTION ON THE
PUBLIC DOMAIN(CURBS,SIDEWALKS,DRIVEWAYS,MARQUEES,ETC.)WILL REQUIRE SEPARATE PERMISSION.
CALL ' INSPECTIONS
BUILDING/ENGINEERING/PARKS/UTILITIES/FINAL(360)435-0674
FIRE(360)403-3607
When calling for an inspection please leave the following information: Permit Number,Job Site Address,Type of Inspection
being requested,Contact Name and Phone Number,Date Prefereed,and whether you prefer morning or afternoon.
• None
Oct 11 2010 10: 34AM West Seattle Furnace 206 935-0735 p. 2
RESIDENTIAL MECHANICAL
PERMIT APPLICATION
Department of Community Development
City of Arlington-238 N Olympic Ave. •Arlington,WA 98223- Phone (360)403 3551 - FAX (360)403 3447
THIS APPLICATION MUST BE ACCOMPANIED BY TWO(2)SETS OF CONSTRUCTION DRAWINGS,TWO(2)SETS
OF SPECIFICATION SHEETS AND TWO(2)SETS OF WASHINGTON STATE ENERGY CODE(if applicable).
Project Valuation: b l'r)CC) l.� /ty -_��
I _ 2
Project Address: - t Parcel101: ` w��oJaob
Lot#: Subdivision:
Project Description: 1 _
Owner t C Phone Number: Z �
Address: City: State: Zip Code: C� 1
Contact Person - honelA� Number: r� U� \�
Cell Phone: `_ Fax•
117f2i1: a jl N\JY�0�1f�Y�R�-Y11
Y� �l City: \ state:` 1 e� ` 1 Cool
Address: � ty: �iA�. +Zip Cade: �p I�
Please List quantity of fixtures Below: LI Ve. �r L; ve. per -ema I I (k-1 II_d,, _-(
CLOTHES DRYER A— FURNACE UP TO 1DOK BTU GAS OUTLETS
FURNACE OVER 100K-- FLR FURN INSTALLIRELOCATE SUSPENDED HTRIUNIT HTR1
APPL VENT/OTHER APPLIANCE REPAIR BOILER UP TO 3 HP
BOILER UP TO4-15 HP BOLIER UP TO 1e-30 HP BOILER UP TO 31-50HP
BOILER 51 HP AND UP AIR AHNDLING UP TO 10K CFM AIRHANDLING OVER 10K CFM
EVAL COOLER VENTILATION FANS OTHER VENTILATION SYSTEM
VENT HOOD DOMESTIC INCINERATOR CONUIND INCINERATOR
ALL OTHER UNITS FREESTANDING STOVE FIREPLACE INSERT
Contracts � /
\N� ��--- {� --Phone Number:
Address: �- Cit(y:� State: Z p Code: 1
Contractor's License Number�K�� �'� -` Expiration: I 1 1
I hereby certify that the above information is correct and that the construction on, and the occupancy and the use of the above-
scn d property will be In accordance with the laws,rules and regulation of the State of Washington
Applicants Signa ur10 Date
Print Applicants Name
FOR STAFF USE ONLY
Pemiil# Accepted By Amount Received Receipt# Date Received
WEB Forma-138 Page 1 of 1 04108 ab
Oct 11 2010 10: 34AM West Seattle Furnace 935-0735 P. 1
S
BRENNAN
www.brennanheating.com
FAX TRANSMISSION SHEET
COMPANY-
NUMBER OF PAGES (INCLUDING COVER SHEET):
MESSAGE:
r
r
FROM: JAIMIE HOW
DATE: � 0 \`1 ` 0
4601 South 134th Place • Seattle, WA 98168 •206-362-7665 . 206-248-7900. 1-877-BRENNAN
LtNNi0X INSTALLATION
0 2010 Lennox Ind Q1 ustries Inc. INSTRUCTIONS
Dsllas,'rsxas,USA
G61 MPV SERIES UNITS
,,, rrh
4 " ip, CAS UNITS
MCI11 506506-01 F !i 7UC,it 1CdI
a- i 0712010
tin �.� �; }1} �•, Supersedes 505,240M
` hti
i•'ii�f i11 f,l LIMO U&A
v;lr,�; Table of CQntl � „ — I
Unit Dimensions .. . . .. . .. .... . ........ .. . . . 2
: , G61 MPV Parts Arrangement ... .... . .... ...
Shipping and Packing List . .. . . . . . .... ... . ..... . 4
Safety Information
Use of Furnace as Construction Heater . . .. . . .. . . . 5
General .. .. . . .. . . .. .. . 6
Combustion,Dilution&Ventilation Air
fE.
Installation-Setting Equipment . .. .. ..... ' .Filters . . .. .. .. ... .... .. ..... 5
r i t Duct System 16
� N ' Pipe S Fittings
. . .. .. ........ . . . . . . . . . . . . . . . . .
p gs Specifications .... ............... . 16
Vent Piping Guidelines . ....... .
• . . 18
Joint Cementing Procedure . . . . . . . . . .. .. . • , 19
r' Venting Practices . . . . ... .i . . . . . 20
Gas Piping . .. . . . . . . . . . . . . . . . . . . . . . .Electrical . . .
- . Integrated Control Board . . . .. .. .. .. .. . .. . . . 3
34
. . . 43
Unit Start-Up 53
Gas Pressure Adjustment . . 54
High Altitude Information ....... .... ... ......... 55
Other Unit Adjustments .. ...................... . 57
Service . , ... . .. . .... ..... . . 58
Ignition Control Board Diagnostic Codes . .,... , . . . 61
THIS MANUAL MUST BE LEFT WITH THE Troubleshooting . . . .__ E2
. . . . . . .. . . ..... .
Repair
HOMEOWNER FOR FUTURF_ REFERENCE Vent Pipe Sizing Worksheet . . . . . .. . . . . . . . . . . . . . . 68
Start-U & Performance Check List 69
A AWARNING
00E.W1F4
Omit
Do not store or use gasoline or other WHAT TO DO IF YOU SMELL GAS:
flammable vapors and liquids In the • Do not try to light any appliance.
vicinity of this or any other ap- • Do not touch any electrical switch; do not
pliance. use any phone in your building.
• Leave the building immediately.
Installation and service must be • Immediately call your gas supplier from a
performed by a qualified installer, neighbor's phone. Follow the gas supplier's
service agency or the gas supplier. instructions.
0 If you cannot reach your gas supplier, call
the fire department.
07/10 506506-01
11MIIII IIIIIIi III IIIII IIIII IIIII 11111111 Page 1 111111111111111111111111111111111111111111111111111111111111
GgirA,Pv Unit.Dimensipns ini hes.,(mm).
"60C and SOD size units installed in upflow applications
that require air volumes over 1800 ofm(850 Us)must have
one of the following:
1.Single side return air with transition,to accommodate
24 x 25 x 1 in. (508 x 635 x 25 mm)air filter. SUPPLY AIR
Required to maintain proper air velocity. OPENING
2.Single side return air with optional RAB Return Air Bass
3.Bottom return air.
4.Return air from both sides.
5.Bottom WLd one side return air.
Rater to Engineering Handbook for additional information.
**Consider sizing requirements for optional IAQ equip- ,OPTIONAL �— 23-3/4(603) —t�I
ment before cutting side return opening. EXTERNAL
SIDE RETURN 25(635)
1 Optional External Side Return Air Filter Kit is not for use AIR FILTER KIT TOP VIEW
with the optional RAB Return Air Base. (Esther side)
A do 28-1/2
(724) 9/16
B 9116(14) 1(494) 14
6-1l2 6-112 (484) ( )
(140) (165)
COMBUSTION AIR INTAKE
6-1/2 3-1/8 (Either Side)
11-5/8(295) (165)
Right (79 EXHAUST AIR OUTLET
9.314(248) 4.1/8 6.314 (Either Side)
OPTIONAL Left (103) (171) GAS PIPING INLET
EXTERNAL (Either Side)
SIDE RETURN
AIR FILTER KIT CONDENSATE
(Either Side) 4-7/8(124) night TRAP CONNECTION
40 2-1/4(67) Left Aw (Either side)
(1016) ELECTRICAL INLET
2-112 (Ether Side)
1� (64) o I _---------
Q II 14.3/4 4 �� 23
I (375) 1 B-3/4 (476) (102j (084)
I I 16 'OPTIONAL 14°°
(406) I RETURN CUTOUT (356) I
II I (Either Side)
AIRFLOW )I L———————
1.16/16 48
�C 3/4(19)B _23-112 �
(S97)
314(19) 'Bottom Return 4-1/4 "bottom Return
Air Opening (108) Air Opening
FRONT VIEW SIDE VIEW
A D C Model No. In mm In. mm In. mm
G61 MPV-36B-045
G61MPV-36H-470 17.1/2 440 16.3/8 410 16 406
G61 MPV-368.071
G61 MPV-36G-090
G61MPV-60C-090
G61MPV-8QC-091 21 533 19-718 505 19.1/2 495
G61 MPV-60C-110 -�
G61 MPV-60C6111
G61MPV-60D-135 24-1/2 622 23-3/8 1 546 23 l 684
Page 2
061MOT04rtss' ftri
TOP CA�
DuralokPlusrM
HEAT EXGHAN0ER
ASSEMBLY
n i
CABINET
BURNER BOXJ
ASSEMBLY
o
GAS VALVE
AND MANIFOLD ` Q
'G61 MPV•36S-Q45
units are equippod 7�
with two switches. +
� D
` D
FLUE 0
COLLAR !
°
peeo�pp p '
°p°°`°COMBUSTION � .09.b.°
AIR PRESSURP o°°o°� . WARM HEADER
PROVE SWITCHES" H' (COLLECTOR)
BOX
COMBUSTION AIR�..�
INDUCER
CONDENSER COIL
BURNER PRIMARY LIMIT
ACCESS
PANEL
C _ y ^••., COLD HEADER
(COLLECTOR)
BOX
BLOWER
ACCE95 `� R
PANEL 1�5 \
SECONDARY
TRANSFORMER LIMITS(2)
SIGHT
o
CIRCUIT
BREAKER �+ p,4. BLOWER MOTOR
/ POWER CHOKE
(5 Ton Only)
Two-Stage,Variable Speed DOOR
Integrated Control INTERLOCK
SWITCH
FIGURE 1
Page 3
1 -3"diameter cabinet plug(intake)
1 -2"diameter debris screen
The G61 MPV category IV gas furnace is equipped with a 1 -1-ogo sticker(for use in downflow applications)
two-stage,variable speed integrated control.This control NOTE - G61MPV-60C-110 and G61MPV-60C-111 units
ensures compatibility with Lennox' Harmony III zone con- also include a 2" diameter PVC street elbow, which is
trol system,as well as a thermostat which provides humid- shipped on the blower deck in the heating compartment.
ity control.Each G61 MPV is shipped ready for installation G61MPV-60D-135 units are shipped with a 3" to 2"PVC
in the upflow, downflow, horizontal left air discharge or reducing elbow.
horizontal right air discharge position. The furnace is Canadian installations Only - Replace the provided 2"
shipped with the bottom panel in place. The bottom panel street elbow shipped with the G61MPV-60C-110 and
must be removed if the unit is to be installed in upflow ap- G61MPV-60C-111 units with 2"street elbow Y0162. Re-
plications with bottom return air. The bottom panel must place the provided 3"X 2"reducing elbow shipped with the
also be removed and discarded in all downflow or horizon- G61 MPV-60D-135 units with 3" X 2" reducing elbow
tal applications. 40W22. Y0162 and 40W22 meet 8149 vent requirements.
The furnace is equipped for installation in natural gas ap- The following items may also be ordered separately:
plications, A conversion kit (ordered separately) is re- 1 - Thermostat
quired for use in propane/LP gas applications. 1 - Propane/LP changeover kit
The 061 MPV can be installed as either a Direct Vent or a
Non-Direct Vent gas central furnace. A DANGER
ER
NOTE- In Direct Vent installations, combustion air is taken Iv
from outdoors and flue gases are discharged outdoors. In
Danger of explosion-
Non-Direct Vent installations, combustion air is token from There are circumstances in which odorant ■ with
indoors and Rue gases are discharged outdoors_ See figure • . ■.ane gas can Its scent. In case of a leak,
-
2 for applications involving roof termination, LIP/propane gas will settle close to the floor . may
DIRECT VENT INSTALLATION I NON-DIRECT VENT be difficult to si-nell. An LP/propane leak detector
applications.
COMBUSTION I INSTALLATION should
f)e installed in all LIP AIR INTAKE GVTA EST I EXHAUST
OUTSIDE OF I Check equipment for shipping damage. if you find any
OUTLET
damage, immediately contact the last carrier,
I COMBUSTION Safety Infprmatioh
AIR INTAKE INSIDE
I OF HOUSE
AWARNING
■ win sL
i
G®iMPV I G61MPv ■ ■ a• ■ ■ • •
CONDENSATE i ■ - • ■
ORAIN"A&
OONUENSRTE
I DRAIN
FiCjURE 2 A AUTIOiV
Shipping and PaffMC-4lt�g,,.WSt
Package f of 1 contains
1 - Assembled G61 MPV unit r
1 - Bag assembly containing the following, Use only the type of gas approved for use with this furnace.
3-Screws Refer to unit nameplate,
3-Wire nuts G61MPV units are CSA International certified to ANSI
1 -Snap bushing Z21.47 and CSA 2.3 standards.
1 -Snap plug In the USA,installation of gas furnaces must conform with lo-
1 -Wire tie cal building codes. In the absence of local codes, units must
1 -Condensate trap be installed according to the current National Fuel Gas Code
1 -Condensate trap cap (ANSI-Z223.11NFPA 54). The National Fuel Gas Code is
2-2"diameter vent i intake plugs available from the following address:
Page 4
American National Standards Institute, Ino. from entering the furnace. If the damper is manually oper-
11 West 42nd Street ated, it must be equipped to prevent operation of either the
New York, NY 10035 heating or the cooling unit, unless it is in the full HEAT or
In Canada,installation must conform with current National COOL setting_
Standard of Canada CSA-13149 Natural Gas and Propane When installed,this furnace must be electrically grounded
Installation Codes, local plumbing or waste water codes according to local codes. In addition, in the United States,
and other applicable local codes, installation must conform with the current National Electric
Code, ANSI/NFPA No. 70. The National Electric Code
In order to ensure proper unit operation in non direct vent (ANSI/NFPA No. 70) is available from the following ad-
applications,combustion and ventilation air supply must be dress:
provided according to the current National Fuel Gas Code National Fire Protection Association
or C$A-6149 standard. 1 Battery March park
This furnace is CSA International certified for installation Quincy, MA 02269
clearances to combustible material as listed on the unit In Canada, all electrical wiring and grounding for the unit
nameplate and in the tables in figures 8, 13 and 17. Acces- must be installed according to the current regulations of the
sibility and service clearances must take precedence over fire Canadian Electrical Code part I (CSA Standard C22.1)
protection clearances. and/or local codes_
NOTE- This furnace is designed for a minimum continu-
NOTE-For installation on combustible floors, the furnace ous return air temperature of 00'F(16°C) or an intermit-
shall not be installed directly on carpeting, tile, or other tent operation down to 55T (13°C) dry bulb for cases
combustible material other than wood flooring_ where a night setback thermostat is used. Return air tem-
For installation in a residential garage, the furnace must perature must not exceed 85OF(29°C)dry bulb.
be installed so that the burner(s)and the ignition source The G61 MPV furnace may be installed in alcoves,closets,
are located no less than 18 inches (457 mm) above the attics,basements,garages, and utility rooms.
floor. The furnace must be located or protected to avoid This furnace design has not been CSA certified for installa-
physical damage by vehicles.When a furnace is installed tion in mobile homes, recreational vehicles, or outdoors.
in a public garage,hangar,or other building that has a haz- Never use an open flame to test for gas leaks. Check all
ardous atmosphere,the furnace must be installed accord- connections using a commercially available soap solution
ing to recommended good practice requirements and cur- made specifically for leak detection.
rent National Fuel Gas Cade or CSA 13149 standard_ Usk of Furnace as GontyCtion Heater
N07'E-Furnace must be adjusted to obtain a temperature Lennox does recommend the use of G61MPV units as
rise within the range specified on the unit nameplate.Failure a construction heater during any phase of construction.
to do so may cause erratic limit operation. Very low return air temperatures, harmful vapors and op-
This G61MPV furnace may be used as a high-static unit eration of the unit with clogged or misplaced filters will dam
heater.The G61MPV may also be installed in an aircraft age the unit.
hangar in accordance with the Standard for Aircraft Han G61MPV units may be used for heating of buildings or
gars(ANSIINFPA No, 408-1990). structures under construction, if the following conditions
are met:
Installation in parking structures must be in accordance , The vent system must be permanently installed per
with the Standard for Parking Structures(ANSI/N>'PA No. these installation instructions.
8SA-1991). Installation in repair garages must be in accor- ,A room thermostat must control the furnace. The use of
dance with the Standard for Repair Garages(ANSI/NFPA fixed jumpers that will provide continuous heating is not
No. 888-1991). allowed.
This G61 MPV furnace must be installed so that its electri- The return air duct must be provided and sealed to the
cal components are protected from water. furnace,
. Return air temperature range between 60T(78°C) and
When this furnace is used with cooling units, it shall be 80OF(27°C) must be maintained.
installed in parallel with,or on the upstream side of,cooling .Air filters must be installed in the system and must be
units to avoid condensation in the heating compartment. maintained during construction.
With a parallel flow arrangement,a damper(or other means .Air Filters must be replaced upon construction comple-
to control the flow of air)must adequately prevent chilled air tion.
Page 5
i
• The input rato and temperature rise must be set pet the AA[�N I N�7
furnace rating plate. i�
• One hundred percent(900%) outdoor air must be pro- Product ■ wool.
vided for combustion air requirements during construc- Disturbing the insulation in this product .,
tion. Temporary ducting may supply outdoor air to the installation, maintenarice, or repair will expose You
furnace. Do not connect duct directly to the furnace. to fiberglass wool.
Size the temporary duct following these instructions in cancer,(Fiberglass wool • + the State of
Cal-
section for Combustion, Dilution and Ventilation Air in a ifornia to cause cancer.)
confined space with air from outside. Fiberglass wool
• The furnace heat exchanger, components, duct system, and eye irritation.
air filters and evaporator coils must be thoroughly To reducefor
Cleaned following final construction cleanup. information, consult
• ■ . N■■ - ■ • . • • •
•All furnace operating conditions (including ignition, in- supervisor.
put rate, temperature rise and venting) must be verified Lennox Industries
according to these installation instructions. ■ O Box •• ,
Dallas, Ii
�iene:lral
omb.uition, Dilution S Y0tilatlpn Air.
If the G61MPV is installed as a Non-Direct Vent Fur-
These instructions are intended as a general guide and do nace,follow the guidelines in this section.
not supersede local codes in any way. Consult authorities NOTE-In Non-Direct Vent installations, combustion air
having jurisdiction before installation. is taken from indoors and flue gases are discharged out
In addition to the requirements outlined previously,the fol-
doors.
lowing general recommendations must be considered A WARNING
when installing a G61 MPV furnace:
• Place the furnace as close to the center of the air dis- • ■
tribution system as possible.The furnace should also be
located close to the chimney or vent termination point. • ,
• When the furnace is installed in non-direct vent applica- exposure 5 coil aillina •
Lions,do not install the furnace where drafts might blow ill safety arid performance
substancesosure to tile following
directly into it. This could cause improper combustion ■
n air supply:
and unsafe operation. Permanent wave solutions
• When the furnace is installed in non-direct vent applica- Chlorinated waxes and
cleaners
tions, do not block the furnace combustion air opening Chlorine base swimming pool chemicals
with clothing,boxes,doors, etc-Air is needed for proper De-icing.
ter softening chemicals
combustion and safe unit operation- Carbon tetrachloride
• When the furnace is installed in an attic or other insu- Halogen type refrigerants
lated space, keep insulation away from the furnace. (such as •
Printing inks, paint remover.5, varnishes,etc.
• When the furnace is installed in an unconditioned Hydrochloric
space,consider provisions required to prevent freezing Cements and glues
of condensate drain system. Antistatic fabric softenerstor clothesdryers
Masonry acid washing materials
In the past,there was no problem in bringing in sufficient
outdoor air for combustion-Infiltration provided all the air
that was needed. In today's homes, tight construction
AAUTIN
practices make it necessary to bring in air from outside
■- for combustion.Take into account that exhaust fans,ap-
ly subject to freezing temperatures, vents,chimneys,and fireplaces 'force additional
Page 6
air that could be used for combustion out of the house- separated by a door.Though an area may appear to be un-
Unless outside air is brought into the house for combus- confined, it might be necessary to bring in outdoor air for
tion,negative pressure(outside pressure is greater than combustion if the structure does not provide enough air by
inside pressure) will build to the point that a downdraft infiltration. If the furnace Is located in a building of tight
can occur in the furnace vent pipe or chimney.As a result, construction with weather stripping and caulking around
combustion gases enter the living space creating a po. the windows and doors, follow the procedures in the air
tentially dangerous situation. from outside section.
In the absence of local codes concerning air for combus- Confined Space
tion and ventilation,use the guidelines and procedures in A confined space is an area with a volume less than 50 cubic
this section to install G61 MPV furnaces to ensure effi feet(1.42 ms) per 1,000 Btu (.29 kW)per hour of the com-
cient and safe operation.You must consider combustion bined input rating of all appliances installed in that space.This
air needs and requirements for exhaust vents and gas definition includes furnace closets or small equipment rooms.
piping. A portion of this information has been reprinted When the furnace is installed so that supply ducts carry air
with permission from the National Fuel Gas Code(ANSI- circulated by the furnace to areas outside the space con-
Z223.11NFPA 54).This reprinted material is not the com- taining the furnace,the return air must be handled by ducts
plete and official position of'the ANSI on the referenced which are sealed to the furnace casing and which terminate
subject,which is represented only by the standard in its outside the space containing the furnace.This is especially
entirety. important when the furnace is mounted on a platform in a
In Canada, refer to the standard CSA B149 installation confined space such as a closet or small equipment room.
codes. Even a small leak around the base of the unit at the platform
or at the return air duct connection can cause a potentially
dangerous negative pressure condition.Air for combustion
A CAUTION and ventilation car be brought into the confined space ei-
ther from inside the building or from outsideor .
'• ntanji-
Air from Inside
If the confined space that houses the furnace adjoins a
space categorized as unconfined, air can be brought in by
All gas-fired appliances require air for the combustion pro- providing two permanent openings between the two
cess, If sufficient combustion air is not available, the fur spaces. Each opening must have a minimum free area of 1
nace or other appliance will operate inefficiently and un- square inch (645 mm2)per 1,000 Btu (.29 kW)per hour of
safely. Enough air must be provided to meet the needs of all total input rating of all gas-fired equipment in the confined
fuel-burning appliances and appliances such as exhaust space. Each opening must be at least 100 square inches
fans which force air out of the house.When fireplaces,ex (64516 mm2). One opening shall be within 12 inches(305
haust fans,or clothes dryers are used at the same time as mm)of the top of the enclosure and one opening within 12
the furnace, much more air is required to ensure proper inches(306 mm)of the bottom. See figure 3.
combustion and to prevent a downdraft, Insufficient air EQUIPMENT IN CONFINED SPACE-ALL AIR FROM INSIDE
causes incomplete combustion which can result in carbon
monoxide. ROOF TERMINATED
In addition to providing combustion air,fresh outdoor air di- EXHAOST PIRE
lutes contaminants in the indoor air, These contaminants
may include bleaches, adhesives, detergents, solvents
and other contaminants which can corrode furnace compo-
nents.
OPENINGS
The requirements for providing air for combustion and ven $IDtDEX.
rWi Adiaeenc
Un[4ntlned
TERrdI $pacetilation depend largely on whether the furnace is installed in HAUST Plan unconfined or a confined space. NATeL .'MP
Unconfined Space
r"
An unconfined space Is an area such as a basement or (VOTE-Each opening malt have a free area of at laast one squaro
large equipment room with a volume greater than 50 cubic Irlch per 1,000 Btu(645mm2 per.29kW) per hour of the total input
feet(1.42 ms)per 1,000 Btu (.29 kW)per hour of the com- rating of till equipment in the enclosure.but not less than f00 square
incnes(6•t5f 6mm.?0
bined input rating of all appliances installed in that space. FIGURE 3
This space also includes adjacent rooms which are not
Page 7
Air from Outside When ducts are used,they shall be of the same cross-sec-
If air from outside is brought in for combustion and ventila- tlonal area as the free area of the openings to which they
tion,the confined space shall be provided with two perma- Connect.The minimum dimension of rectangular air ducts
nent openings. One opening shall be within 12"(305mm) shall be no less than 3 inches(76 mm)_In calculating free
area, the blocking effect of louvers, grilles, or screens
of the top of the enclosure and one within 12" (305mm)of must be considered. If the design and free area of pl•otec-
the bottom. These openings must communicate directly tive covering is not known for calculating the size opening
or by ducts with the outdoors or spaces(crawl or attic)that freely communicate with the outdoors or indirectly required, it may be assumed that wood louvers will have through vertical ducts. Each opening shall have a mini-
20 to 25 percent free area and metal louvers and grilles
mum free area of 1 square inch par 4,000 Btu (645rnM2 will have 60 to 75 percent free area. Louvers and grilles
must be fixed in the open position or interlocked with the
per 1.17kW)per hour of total input rating of all equipment equipment so that they are opened automatically during
in the enclosure.When communicating with the outdoors equipment operation,
'through horizontal ducts,each opening shall have a mini-
mum free area of 1 square inch per 2,000 Btu (646mm2 EQUIPMENT IN CONFINED SPACE ALL AIR FROM OUTSIDE
per,69kW)per total input rating of all equipment in the en- (Au,air Through ventilated Attle)
closure (See figure 4).
EQUIPMENT IN CONFINED SPACE-ALL AIR FROM OUTSIDE ROOF TERMINATED VENTILATION I.OUVERS
(Inlet Air from Crawl spate and Outlet Air to Ventl lated Attir) EXHAUST PIPE (EOch and urIto)
UTlL
VENTILATION LOUVERS AIR
ROOF TERMINATED �• (EPch and al Milo)
EXHAUST PIPE
/�YE INLET AIR
11 WALL (kndu 12"abwo
TERWNAYa O bultom)
OUTLET EXHAUST PIPE
AIR (ALTERNATE
LOCATION) 11
51/'IN1
aloe WALL NOTE-The inlet and outlet air openings shall each have a free areij of
TERMINATED VENTILATION at least one square fnch per 4,000 Btu(645rnrn2per 1.17kW)par hour
RXHAUBT PIPE Gd ti+a LOUVERS
(;,I_7ERNAYC If', (For unhOWCO of the total input rating of all equipment in the enclosure,
LOCATION) AIR araWl apACol
`l f t» FIGURE 5
EQUIPMENT IN CONFINED SPACE-
ALL AIR FROM OUTSIDE
NO71 -The inlet and outlet air opeinbhjs shall each have a tree area
of at feast one square inch per4,000 Btu(645mm2 por 1.17kW)por
hour of the total input rating of ail equipment in the enclosure. ROOF YeRMINATEo
EXHAUST PIPE
FIGURE 4
If airfrom outside is brought in for combustion and ventila- OUTLET AIR
tion,the confined space must have two permanent open-
ings. One opening shall be within 12 inches (305 mm)of
the top of the enclosure and one opening within 12 inches SIDE WALL
TERMINATED
(305 mm)of the bottom.These openings must communi- PXHAUSTPIPE`rE wLETAIR
Cate directly or by ducts with the outdoors or spaces(crawl (ALTERNA
LOCA710N)N)
or attic)that freely communicate with the outdoors or indi-
rectly through vertical ducts. Each opening shall have a minimum free area of 1 square inch (645 mm2)per4,000 NOTE Each Sir duct opening shall have a Iraa area of at least ane
.square inch por2,000 Btu(645mm2par.58kW)perhour Of the total
Btu(1.17 kW)per hour of total input rating of all equipment input rating of a)i equipment in the enclosure.if the equipment room
in the enclosure. See figures 4 and 5.When communicat- is located against an outside wail and tho air openings commurti-
cato directly with the outdoors,each opening shall have a free area
ing with the outdoors through horizontal ducts,each open- of at mast.t square inch per 4,000 Btu(645mrn2 per 1 17kW)per
ing shall have a minimum free area of 1 square inch(645 hour ofthe total input ratingof all other equlpmen(r'n rheenCiostrra.
mm2) per 2,000 Btu (.56 kW) per total input rating of all FIGURE 6
equipment in the enclosure. See figure 6.
Page 8
fnst l� �ro.n..; 6 � NOTE- G67MPlf-36S and-36C units with V2 hp blower
� ;,.gipmeni,., motors are equipped with three flexible legs and one rigid
AWARNING
leg. The rigid leg is equipped with a shipping bolt and a flat
white plastic washer (rather than the rubber mounting
r• . r• grommet used with a flexible mounting leg). The bolt and
• • washer rust be removed before the furnace is placed
Doing so will adverselyoperationinto operation.After the bolt and washer have been re-
the safety colitrol devices,which could result in per- moved, the rigid leg will not touch the blower housing.
so-nal injury or death, NOTE-G61MPV-60D-135 units are equipped with a ship-
ping pad under the blower housing. Remove the shipping
Select a location that allows for the required clearances pad prior to operation.
that are listed on the unit nameplate.Also consider gas Allow for clearances to combustible materials as indicated
supply connections,electrical supply,vent connection, on the unit nameplate. Minimum clearances for closet or al-
condensate trap and drain connections.and installation cove installations are shown in figures B, 13 and 17,
and service clearances [24 inches (610 mm) at unit
front]. The unit must be level from front to back and side A WARNING
to side, •
The unit may be tilted slightly(maximum 112 in-) from . . •
back to front to aid in the draining of the heat exchanger. • ' ' •
See figure 7.
SETTING EQUIPMENTUPFLOW APPLICATION DOWNFLOW APPLICATION
UNIT MUST 6E LEVEL SIDE•TO-SIDE IN ALL APPLICATIONS,
AIR FLOW
HORIZONTAL APPLICATION 4-
fYYt 0
AIR FLOW
0
u �0
t
G R FLdW
FRONT VIEW
FRONT VIEW FRONT VIEW
Q AIRFLOW
UNIT
UNIT 1 FRONT UNIT
FRONT
v2" FRONT Q ,!� �....•�
•=A(�afj)-W END VIE1fVf mxx O I y
s1�„ j I v2
7f2" mex.
max,
UNIT SHOULD PE LEVEL FROM LEFT TO RIGHT BUT MAY 6E SIDE VIEW
SIDE VIEW TILTED SLIGHTLY(MAX.10.")FROM BACXTO FRONT
TO AID IN THE DRAINING OF THE HEAT EXCHANGER.
FIGURE T
Page 9
an airtight seal between the bottom of the furnace and the
AWARNING platform to ensure that the furnace operates properly and
sa'Fely.The furnace is equipped with a removable bottom
panel to facilitate installation.
Markings are provided on both sides of the furnace cabinet
• •• for installations that require side return air.Cut the furnace
• cabinet at the maximum dimensions shown on page 2.
' NOTE-When air volumes over 1800 cfm(860 Us)are
• - , - required with 60C or 60D models in an upflow applica-
• •a tion, the following return air options are available:
" I- Return air from single side with transition which will
low absolutely no sagging, crack5, gaps, ° accommodate 20 x 25 x I in.(508 x 635 x 25 mm)air filter.
• . • . . •• Will. . • -
(Required to maintain proper air velocity. see gore .
vices -5uch as a fireplace or stove, etc. 2- Return air from single side with optional RAB RetuReturnsion, carbon monoxide poisoning, ,. Air Base.See figure 9i.
. . 3- Return air from bottom.
4- Return air from both sides.
Upflow Applications 5- Return air from bottom map(one side.
The G61 MPV gas furnace can be installed as shipped in Refer to Engineering Handbook for addWonal information.
the upflow position. Refer to figure 8 for clearances, 061MPV applications which include side return air and
installation clearances a condensate trap installed on the sarne side of the
Top cabinet require either a return air base or field-fabri-
cated transition to accommodate an optional IAQ ac-
cessory faller than 14.5".
UE
Side Return Air
Left side I Right Side (with transition and filter)
c�
20"X 25"X 1"
ram'�. , •. (508mm 7C635mm X 25mm)
Bottom (rloor) Air Filter
ToplPlonum 1 In.(25 mm) /
'Front a
Back
sides 6fi
Vent d Return Air
Plenum
Floor 0
"Front clearance in alcove installation must be U In.(610 mm).
Maintain a minimum of 24 In.(610 mm)for front service access.
fiAllow proper clearances to accommodate condensate trap and —
vent pipe Installatlon.
tFor installations on a combustible floor,do not Install the furnace Transition
diroctly on carpeting,the or other combustible materials other
than woad flooring. FIGURE 9
FIGURE B Removing the Bottom Panel
Return Air--Upflow Units Remove the two screws that secure the bottom cap to the
Return air can be brought in through the bottom or either furnace.Pivot the bottom cap down to release the bottom
side of the furnace installed in an upflow application. If the panel.Once the bottom panel has been removed, reinstall
furnace is installed on a platform with bottom return,make the bottom cap. See figure 10.
Page 10
Removing the Bottom Panel
�I
$crew / ✓
Bottom Cap
Bottom Panel
FIGURE 10
Optional Return Air Blue
(Upflow Applications Only For use with B, C and D cabinets only)
4 I+ i 23(504)
(102)I Overall Minimum
14 I (Maximum) 11 (2 ri
(356) I 2 Maxlmun� 122,146
�RONT
It unit side return air 14(356) (170)
AIR FLOW Opening I Overall
�— --- -- (Maximum)
5-518 t3foE RETURN
7-114(184) (143) AIR OPENINGS
ither
Ir
3/4OPTIONAL RAB 23 (584) (10)
17.112(446)RAB-S(98M60) RETURN AIR EASE 718
21 (633)RAB-C(98M58) 27-518 (702)
(22)
24-112(622)RAB-D(98M59) SIDE VIEW
FRONT VIEW
NOTE-Optional Side Return Air Filter Kits are not for use with RAB Return Air Base.
9 Both the unit return air opening and the base return air opening must be covered by a single plenum or IAQ cabinet.
Minimum unit side return air opening dimensions for units requiring laoo cfm or more of air(W x H):23 x 11 in.
(584 x 279 mm).
The opening can be cut as needed to accommodate plenum or IAQ cabinet while maintaining dimensions shown.
Side return air openings must be cut In the field.There are cuttlnn guides stenciled on the cabinet for the side return
air opening.The size of the opening must not extend beyond the markings on the furnace cabinet.
2 To minimize pressure drop,the largest opening height possible(up to 14 inches)is preferred.
NOTE Optional Side Return Air Filter Kits are not for use with RAB Return Air Base.
FIGURE 11
Page 11
Setting an upfiow unit Refer to figure 13 for clearances in downflow applica-
When the side return air inlets are used in an upflow ap- tions.
plicatlon,it may be necessary to install leveling bolts on the
bottom of the furnace. Use field-supplied corrosion-resist- Downflow Application Installation Clearances
ant 5/16 inch machine bolts(4)and nuts(8). See figure 12. Top
NOTE- The maximum length of the bolt is 1-1/2 inches.
1 - Lie the furnace on its back and drill a 5/116 inch diame-
ter hole in each comer of the furnace's bottom, See fig- I� °
ure 12 for the correct location of the holes. Drill through Left Side ✓
g \ ' Right Sidethe bottom panel and the bottom flange of the cabinet.
2 - Install one bolt and two nuts into each hole. Screw the li
first nut onto a bolt and then insert the bolt into a hole.A
flat washer may be added between the nut and the bot-
tom of the unit.
3- Screw another nut onto the bolt on the inside of the fur- — Bottom
nace base.A flat washer may be added between the Top 0
nut and the bottom of the unit. ;Front 0
4 - Adjust the outside nut to the appropriate height and 13aok
tighten the inside nut to secure the arrangement, 0
NOTE- The unit may be tilted back-to-(rant a maximum of Sides at
1" This will ensure proper draining of the heat exchanger. vent p
Leveling Bolt Installation Floor Nc$
'Front clearance In alcove installation must be 24 in.(610 mm).
3/8 inches(mm) Maintain a minimum of 24 In.(610 mm)for front servlco access.
(10) fAllow proper clearances to accommodate condensate trap and
Furnace Front vent pipe Installation,
+7he furnace may be installed on a combustible wood floor If an op-
318 1-3/4 Clonal additive base Is Installed betwoen the furnace and tho com-
\(1) / (44) bustible floor,
�' FIGURE 13
Installation on Non-Combustible Flooring
1(4) - Leveling Bolt 1 - Cut floor opening keeping in mind clearances listed on
Furnace Locations unit rating plate.Also keep in mind gas supply connec-
Bottom Lions, electrical supply,flue and air intake connections
Leveling Bolt 3/8 and sufficient installation and servicing clearances.
Locations _ (1Q) See table 1 for correct floor opening size.
2- Flange warm air plenum and lower the plenum into the
opening
3- Set the unit over the plenum and seal the plenum to
(tip) 4) the unit.
1.3i4 (44) 4- Ensure that the seal is adequate.
TABLE 1
FIGURE 12 NON-COMBUSTIBLE FLOOR OPENING SIZE
Downflow Applications Front to Rear Side to Side
The unit may be installed three ways in downflow,applica- ""del No. in mm in,
tions:on non-combustible flooring, on combustible flooring { ) mm
using an additive base, or on a reverse-flow cooling cabi- 8 Cabinet 17.5" 19.3/4 502 16-5/8 422
net. Do not drag the unit across the floor In the down C Cabinet(21") 19-3/4 502 20-1/8 511
flow position. Flange damage will result. a Cabinet(24.5") 19-3!4 502 23-$i8 600
After unit has been properly set in place, position provided
panel, NQTE-Floor opening dimensions listed are 114 inch(6 M—M)larger than
logo over existing logo and affix sticker on front
P the unit opening.Sae dimension drawing on page 2.
Page 12
Installation on Combustible Flooring Installation on Cooling Coil Cabinet
1 - When unit is installed on a combustible floor,an addi- 1 - Refer to reverse-flow coil installation instructions for
tive base must be installed between the furnace and correctly sized opening in floor and Installation of cabi-
the floor. The base must be ordered separately_ See net.
table 2 for opening size to cut in floor. 2- When cooling cabinet is in place, set and secure the
ACAUTION furnace according to the instructions that are provided
with the cooling coil.Secure the furnace to the cabinet.
The ffirnace and additive base shall riot be installed 3- Seal'the cabinet and check for air leaks.
directiy on Return Air
otherterial man wood flo of other oring, Opening--faownflotM Units
Return air may be brought in only through the top opening
TABLE 2 of a furnace installed in the downflow position.The follow-
ADDITIVE BASI=FLOOR OPENING SIZE ing steps should be taken when installing plenum-
Front - Bottom edge of plenum should be flanged with a
Cabinet Catalog i=ront to Rear Side to Side hemmed edge(See figure 15 or 16).
Width Number ;n. mm In. mm
2- Sealing strips should be used to ensure an airtight seal
B Cabinet 11MBo 22 558 113-314 47fi between the cabinet and the plenum.
(17 s 3- In all cases, plenum should be secured to top of'fur-
C Cabinet 11M61 22 SEg 22-314 578 trace using sheet metal screws.
(21")
4- Make certain that an adequate seal is made.
❑Cabinet i1Msz 22 55g 25.3/4 6S4
PLENUM
(Field Provided) - - SECURE FROM
2- After opening is cut, Set additive base into opening. OUTSIDE CABINET
3- Check fiberglass strips on additive base to make sure
they are properly glued and positioned.
4- Lower supply air plenum into additive base until ple- SEALING STRIP' CABINET
num flanges seal against fiberglass strips. (Field Provided) SIDE PANEL
NOTE - Be careful not to damage fiberglass strips. Side View
Check fora tight seat FIGURE 15
5- Set the furnace over the plenum.
6- Ensure that the seal between the furnace and plenum PLENUM
is adequate, (Field Provided)
SEALING STRIP
-lead Provided)
GGIMPV UNIT CABINET
O
SECURE FROM -r SIDE PANEL,
INSIDE CABINET Side View
G SUPPLY AIR PLENUM FIGURE 16
PROPERLY Horizontal Applications
SIZED FLOOR
OPENING ADDITIVE BASE The G61MPV furnace can be installed in horizontal ap-
plications with either right-or left-hand air discharge.
The G61 MPV may also be installed as a unit heater,Either
suspend the furnace as shown in figure 18, or install the
furnace on a field-fabricated raised platform. The unit
must be supported at both ends and beneath the blower
FIGURE 14 deck to prevent sagging.
Refer to figure 17 for clearances in horizontal applications.
Page 13
Horizontal Application 7- If unit is suspended above finished space, hang the
Installation Clearances field-provided drain pan below the support frame as
shown in figure 18. Leave 5-1/2 inches for service
Right-Hand Discharge Tap clearance below unit for condensate trap.
a - Route auxiliary drain line so that water draining from
this outlet will be easily noticed by the homeowner. If
Left End Im
� Right End necessary, run the condensate line into a condensate
pump to meet drain line slope requirements. The
pump must be rated for use with condensing furnaces.
Botto (Floor)** Protect the condensate discharge line from the pump
to the outside to avoid freezing,
Left-Nand Discharge
Top TYPICAL HORIZONTAL CEILING APPLICATION
BLOWER ACCESS PANEL 18 in.ROL)$
Left Endwaottom
' a Right End
9 IN7AKt=1EXNAUSCONNECTION
loor)**
Top 0
Front* 0
Back 0 J
Ends U
Vent p
\�
Floor 0t U DRAIN PAIN
ME
'Front clearance In alcove in5tallatlon must b SUPPORT FRA
e 14 In. (610 mm), (to proteetilnishad space)
Maintain a minimum of 24 In.(610 mm)for front service access. FIGURE 18
—A 5-1/2"service cloarance,must be maintained below the unit to
provide for servicing of tho condensate trap. Platform Installation of Horizontal Unit
$For in5tallatlons on a combustible floor,do not Install the furnace 1 - Select location for unit keeping in mind service and
directly on carpeting, tale or other combustible materials other
than good flooring. other necessary clearances_See figure 17.
FIGURE 17 2- Construct a raised wooden frame and cover frame
Suspended Installation of Horizontal Unit with a plywood sheet. Provide a service platform in
NOTE-If unit is suspended in attic or crawl space, horizon- front of unit. If unit is installed above finished space,fabricate a drain pan #o be installed under unit.
tat support kit(Cat No. 56J98 ordered Separately) must be When installing the unit in a crawl space,a proper sup-
used to ensure proper unit support and coil drainage. port platform may be created using cement blacks and
1 Select location for unit keeping in mind service and the horizontal support frame kit (ordered separately,
other necessary clearances. See figure 17. Lennox part number 56J18). Position the support
2- Provide service platform in front of unit. frame on top of the blocks and install the unit on the
3- If unit is installed above finished space, fabricate a frame. Leave 5-1/2 inches for service clearance for
drain pan Fitted with a 1/2 inch or 3/4 inch KRT fitting. condensate trap.
4- Using 3/8 inch rods and support frame kit or field-fabri- 3- Route auxiliary drain line so that water draining from
sated supports, fabricate suspension hangers, keep- this outlet will be easily noticed by the homeowner. If
ing in mind front service access clearances. necessary, run the condensate line into a condensate
5- Mount unit on support frame as shown In figure 18, pump to meet drain line slope requirements, The
pump must be rated'for use with condensing furnaces.
6- Continue with exhaust, condensate and intake line Protect the condensate discharge line from the pump
piping instructions, to the outside to avoid freezing.
Rage 14
4- Set unit in drain pan as shown in figure 19.Leave 5-1/2 4- Use#10-16 x 1/2 inch sheet metal screws to secure
inches for service clearance below unit for condensate duct/grille cabinet to unit,taking care not to damage in-
trap. ternal components of unit heater when drilling holes or
5- Continue with exhaust,condensate and intake piping installing screws. See figure 20,
installation according to instructions. 5- Use adjustable, double-deflection grille(s)to distribute
discharge air. Adjust static pressure to be in the 0,06
EXHAUST PIPE inch to 0.10 inch w.c. range.
INTAKE PIPE 'GAS
CONNECTOR 181 .
MIN. i
'Gas CO7NIBClw vinyba
used of Canadian
10SAWdlran 1/ accopt- _ i
abto by IWnV dulhcnry
llerv/rlfl/UlICd�^rlon 0
GRAIN PAN _
(to protect
RAISED finished
/ PLATFORM spaoe) ~
CONDENSATE LINE: I NOTE.Whpq,ny(&VoyducLlgnitnr4bAol,rokfi, rm!r0darrlogolnferoW urdf
SERVICE PLATFORM hanferwmponen!swhondolling orinswYnynr,mn.
FIGURE 19 FIGURE 20
Return Air--Horizontal Applications
G51 MPV Installed in Unit Heater Applications Return air may be brought in only through the end of a fur-
The G61 MPV may also be installed as a unit heater.Either nace installed in the horizontal position. The furnace is
suspend the furnace from roof rafters or floor joists, as equipped with a removable bottom panel to facilitate
shown in figure 18, or install the furnace on a field-fabri- installation. See figure 10.
cated raised platform,as shown in figure 19.The unit must
-- -.
be supported at bath ends and beneath the blower deck to Filters
prevent sagging. The condensate trap must be installed This unit is not equipped with a filter or rack. Afield-pro-
where It can be serviced at a later date. vided filter is required for the unit to operate properly.Table
Unit Heater Discharge Duct Guidelines 3 lists recommended filter sizes.
A field-fabricated and installed discharge air duct and grille A filter must be in place whenever the unit is operating_
cabinet is suitable for use with the G61MPV heater.Keep NOTE-In uptlow applications where side return air fil-
the following items in mind when constructing the cabinet. ter is Installed on same side as the condensate trap, fil-
1 - Outer dimensions of cabinet should match those of the ter rack must be installed beyond condensate Crap to
unit heater,so the duct/grille cabinet installs'flush with avoid interference
the unit heater cabinet. See figure 20. TABLE 3
2- Flange both ends of duct/grille cabinet so that screws Furnace Filter Size
can be used to secure cabinet to discharge end of unit Cabinet Width Side Return Bottom Return
heater. 17-1/2" 16 X 25 X 1(1) 16 X 25 X 1 (1)
3- To ensure proper operation, the duct(grille cabinet 211! 16 X 25 X 1 (1) 20 X 25 X 1 (1)
must be at least 18 inches long_ 1 24-1/2" 16 X 25 X 1 2 24 X 25 X 1 1)
Page 15
064*00# r" ,, versely affects tha joint strength or chemical resistance of
the cement, The cement shall show no gelation,stratifica-
Use industry-approved standards to size and Install'the tion,or separation that cannot be removed by stirring,Re-
supply and return air duct system.This will result in a quiet fer to the table 4 below for approved piping and fitting
and low-static system that has uniform air distribution. materials.
NOTE-Operation of this furnace in heating mode (indoor
blower operating at selected heating speed)with an exter-
nal static pressure which exceeds 0.8 inches w.o. may re- A CAUTION
sult in erratic limit operation
Solvent cements for .
Suppler Air Plenum kept
If the furnace is installed without a cooling coil,a removable ignition. Do notuse excessivo amountsof
access panel should be installed in the supply air duct.The I cement when making joints. " ` ventilation should
be maintained to hazard . . minimize
access panel should be large enough to permit inspection breathing of solvent vapors.-Avoid of
(by reflected light)of the heat exchanger for leaks after the with skin and eyes.
furnace is installed. If present,this access panel must al-
ways be in place when the furnace is operating and it must TABLE 4
not allow leaks Into the supply air duct system. PIPING AND FITTINGS SPECIFICATIONS
Return Air Plenum PIPE&FITTING MATERIALASTM
SPECIFICATION
NOTE-Return air must not be drawn from a room Schedule 40 PVC(Pipe) D1766
where this furnace, or any other gas-fueled ap- Schedule 40 PVG(Cellular Core Pipe) F691
pliance (Le,, water heater), or carbon monoxide- Schedule 40 PVG(Fittings) D2466
producing device(i.e., wood fireplace) is installed. Schedule 40 CPVC(Pipe) F441
When return air is drawn from a room, a negative pres- Schedule 40 CPVC(Fittings) 5438
sure is created in the room.If a gas appliance is operating SOR-21 PVC or SDR-20 PVG(pipe) D224.1
in a room with negative pressure, the flue products can SDR-21 CPVC or SDR-25 CPVC(Pipe) F442
be pulled back down the vent pipe and into the room.This Schedule 40 AB$Cellular Core DWV(Pipe) 5628
reverse flow of the flue gas may result in incomplete com- Schedule 40 AB$(Pipe) 131527
bustion and the formation 40 ABS(Fittings) 02468pmation of carbon monoxide gas,This ASS•DWV(Drain Waste&Vent)
toxic gas might then be distributed throughout the house (Pipe&Fittings) D2fi61
by the furnace duct system. PVC-DWV(Drain waste&Vent)
Return air Can be brought in through the bottom or either
Pipe&Fittings) 02665
side of the furnace, if a furnace with bottom return air is PRIMER&SOLVENT CEMENT ASTM
installed on a platform, make an airtight seal between the SPECIFICATION
bottom of the furnace and the platform to ensure that the Pvc&CPVC Primer F656
unit operates properly and safely. Use fiberglass sealing PVC Solvent Cement 02564
strips, caulking, or equivalent sealing method between the CPVC Solvent Cr,mant F493
plenum and the furnace cabinet to ensure a tight seal. If a ASS Solvent Cement D2235
filter is installed, size the return air duct to fit the filter frame. PVings 4 Pipe o All Purpose Cement For D2564,D2235,F4g3
Fittings�Pipe of the same maternal
Pip0 r,i#�ifioi$po; y� 11 CementPVC or CPVC Transition Solvent D3138
All pipe,fittings,primer and solvent cement must conform CANADA PIPE&FITTING&SOLVENT MARKING
American National Standard Institute and the Ameri- CEMENT
can Society for Testing and Materials(ANSIIASTM)stan- PVC&CPVC Pipe and Fittings
dards. The solvent shall be free flowing and contain no PVC&CPVC Solvent Cement ULC8636
lumps, undissolved particles or any'foreign matterthat ad- ABS to PVC_or CPVC Transition Carriont
Page 10
Use PVC primer and solvent cement or ABS solvent cement Canadian Applications Only - Pipe, fittings, primer
meeting ASTM specifications, refer to Table 4,As an alter- and solvent cement used to vent (exhaust) this ap-
nate,use all purpose cement, to bond ABS,PVC,or CPVC pliance must be certified to UL.0$636 and supplied by a
pipe when using fittings and pipe made of the same materi- single manufacturer as part of an approver! vent (ex-
als. Use transition solvent cement when bonding ABS to ei- haust)system. When bonding the vent system to the fur-
ther PVC or CPVC, nace, use ULG S636 approved One-Stsp Transition Ce-
Low temperature solvent cement is recommended.Metal or ment to bond the pipe to the flue collar,or to bond the 9V
plastic strapping may be used for vent pipe hangers. Uni- elbow or reducing 90'elbow to the flue collar. In addi-
formly apply a liberal coat of PVC primer for PVC or use a tion,the first three feetof vent pipe from the furnace flue
clears dry cloth for ASS to clean inside socket surface of fit- collar must be accessible for inspection.
ting and male end of pipe to depth of fitting socket. Table 5 lists the available exhaust termination kits,as well
as vent pipe equivalencies which must be used when siz-
ing vent pipe. All Lennox vent terminations are PVC,
TABLE 5
OUTDOOR TERMINATION KITS AND CORRESPONDING 5QUIV'ALENCIES
Vent Pipe Length Equivalency(feet)
Outdoor Exhaust
Exhaust
2" "
VENT Exhaust
Accelerator 1-1/2"Cdn- 2"Wall 8"Wall 2"Wall
Accelerator Concentric Concen-
UIV1T PIPE (pia � (Dis-X centric Kit Kit trio Kit Plate Kit Plate Kit Ring Kit
MODEL DIA. Length)
(in.) Length)
71M80 69M29 6OL46 22G44 44J40
1-1/2"X 12" 2"X 12" or or or 15F74
t44W92tt f44W92tP 44W93t or 30G26fi or 81J20t
2 4 Not 12 Not Not 4 4* 4
Allowed Allowed Allowed
2-1/2 5 Not 1s Not Not 5 5* 5
3613-045 Allowod Allowed Allowed
3 7 Not 21 Not Not 7 7" 7
Allowed Allowed Allowed
4 14 Not 42 Not Not 14 14' 14
Allowed Allowed Allowed
2 4 Not 12 Not Not 4 4* 4
Allowed Allowad Allowed
3513-070 2-1/2 $ Allowed Not 15 5 5* 5
Allowed Allowed
36B-071 3 8 Not 24 Not Not g g* g
Allowed Allowed Allowed
4 14 Not 42 Not Not 14 14* 14
Allowed Allowed Allowed
2 Not 1 Not 3 3 Not 1 V.
Allowed Allowed Allowed
36B•091 2-1/2 Not Allowed 2 Not 5 Allowed 6 2 2-
AI owed
60C-090 3 Not 2 Not 5 g Not 2 2.-
Allowed Allowed Allowed
4 Not 4 Not 12 12 Not 4 4*"
Allowod Allowed _ Allowed
2 Not 1 Not 3 3 Not 1 1+-
Allowad Allowed Allowed
2-1/2 Not 2 Not 6 6 Not 2 2***
60C-110 Allowed Allowed Allowed
64G-111 3 Not 2 Not 6 6 Not 2 2.w*
Allowed Allowed Allowed
4 Not 4 Not 12 12 Not 4 4...
Allowed Allowed Allowed
8 Not t3 Not Not 15 Not 6 611,
60❑-135 Allowed Allowed Allowad Allowed
4 Not 10 Not Not 25 Not 10 10—
Allowed Allowed Allowed Allowed
Requires field-provided and installed 1-112'exhaust accaiarvloc t TurmirivWn kitE 44W9$44W93,30G2d&dIJ20 arV ULC-696 approvad for Cans-
""Reoulrw field-provided and installed 2"exhspat occeleratOr. diun Instarfaflon.
*-*Forvse only in non-diract vent applications,when snow riser is not roquired,Ru- ht'rhe 44wy2 Concentric kit is provided with a 1-712"accelerator which must be
qu/res field provldsd and installed 2"exhaust accelerator. Installed on the exhaust outlet when this kit Is used with the G61MPV-36B-045,
G64MPV-368-M&071 furnaces.
Page 17
Ve 'I i , t1g'Gui,t� lines
The 061 MPV can be installed as either a Non-Direct NOTE-The exhaust pipe should be offset a minimum of 12
Vent or a Direct Vent gas central furnace. inches to avoid the possibility of water droplets being re,
NOTE -In Non-Direct Vent installations, combustion air is leased from the exhaust termination. The minimum ex-
taken from indoors and Oue gases are discharged outdoors. haunt vent length is 15 ft. Shorter exhaust vent lengths may
In Direct Vent installations, combustion air is taken fi-om out- result in the discharge of water droplets from the exhaust
doors and flue gases are discharged outdoors. termination,in spite of the 12-inch vertical offset. See fig-
Intake and exhaust pipe sizing in Direct Vent applications ure 21.
and exhaust pipe sizing in Non-Direct Vent applications-- Each 900 elbow(including those provided with the furnace)
Size pipe according to tables 6 and 7.Table 6 lists the mini- of any diameter is equivalent to 5 feet(1.52m)of vent pipe
rnum equivalent vent pipe lengths permitted. Table 7 lists of the same diameter. Two 45D elbows are equivalent to
the maximum equivalent pipe lengths permitted. one 900 elbow of the same diameter. One 450 elbow is
Maximum vent length is defined as: equal to 2.6 feet(.76m)of vent pipe of the same diameter.
Total length (linear feet)of pipe, NOTE-On G61 MPV-071, -091 and-111 units, sweep el-
Plus Equivalent length(feet)of fittings, bows must be used for all 90' elbows in the venting
system when 2 , 2-112" or 3 vent pipe is used. On
Plus Equivalent length (feet)of termination. G61MPV-135,sweep elbows must be used for all 900 el-
NOTE-Include ALL pipe and ALL fittings, both in bows in the venting system when 3"vent pipe is used.
doors and outdoors. Sweep elbows are recommended for use in vent sys-
Regardless of the diameter of pipe used,the standard roof tems of other G61MPV units.
and wall terminations described in section Exhaust Piping In some applications which permit the use of several differ-
Terminations should be used. Exhaust vent termination ent sizes of vent pipe, a combination vent pipe may be
pipe is sized to optimize the velocity of the exhaust gas as used. Contact Lennox' Application Department for assis-
it exits the termination. Refer to table& tance in sizing vent pipe in these applications.
Exhaust Pipe Offset
7z"Min.
I
{� "12..Min. FI
Upflow and Downflow Application Upflow and Downflow Application
Rooftop Termination Side Wall Termination
14 -12"Min. *12"Min. i►i
I I
I
Horizontal Application Horizontal Application
Rooftop Termination Side wall Termination
A ndnimum of 114"(6awn)drop breach 12'(305mm)of hpBrontui run is mancfalory for drainage
FIGURE 21
Page 18
NOTE-The flue collar on all models is sized to accommo- TABLE 7
date 2"Schedule 44 flue pipe. When vent pipe which is MAXIMUM VENT PIPE LENGTHS
larger than 2"must be used in an upflow application, a 2" MAXIMUM EQUIVALENT VENT
elbow must be applied at the flue collarin orderto proper ALTITUDE G61MPV LENGTH FEET
ly transition to the larger diameter flue pipe, This elbow MODEL 2" 2-1l2" 3" 4"
mustbe added to the elbow count used to determine ac- RIPE PIPE PIPE PIPE
ceptable vent lengths.Assign an equivalent feet value to 045 59 1 65 77 234
this elbow according to the larger size pipe being used. 070 59 66 7a 214
Contact the Application Department for more information 071t 59 65 76 214
concerning Sizing of vent Systems which in elude multiple "4 090 26 42 72 2(Q-13 71 rn) 091T 26 42 72 2004
4
pipe sizes.
114" nla 32 72 179
Use the following steps to correctly Size vent pipe diameter. 111't n/a 32 72 179
Refer to Vent Pipe Size Determination Worksheet on 135"'t I nia nla 61 160
page'65. 045 1 59 65 77 2$4
070 59 6$ 78 214
1 - Determine the vent termination and its corresponding 071t 59 65 '7a 214
equivalent feet value according to table 5. 4e01-750o 090 26 42 72 204
(13724286 m) 091t 26 42 72 264
2- Determine the number of 900 elbows required for both 110" nla 32 72 179
indoor and outdoor(e.g,snow riser)use,Calculate the 111't I nla 32 72 179
n
corresponding equivalent feet of vent pipe, 135"-$ nla la 46 'I60045 59 66 77 234
3- Determine the number of 45'elbows required for both 070 59 65 78 214
071t 59 65 78 214
Indoor and outdoor use. Calculate the corresponding 7501 -1000o 090 25 42 72 204
equivalent feet of vent pipe. (22,87-3048 m) 091t 26 42 72 - 204,
110" nla 32 72 179
4- Determine the length of straight pipe required. 1114t nle 32 72 179
135'"T nis n/a 46 160
5- Add the total equivalent feet calculated in steps 1 n/a--Not allowed.
through 4 and compare that length to the maximum •G61MPV-60C-if0 and-111musthave90°stmota'l(suppliadorfieldmplaco-
values given in table 7 for the proposed vent pipe di- ment Canadian kit)installed directly into un/t cue ca5'ar,
'"G61MPV-60D-135 must have 3'to 2"teduuhg ell(Supplied or field roplaco-
ameter. If the total equivalent length required exceeds moot Canadian kit)�nstalledd1re::tty Into unit cue collar
the maximum equivalent length listed in the appropri- to G61ll MPV-071•t 091 venting systumwoherr elbows
mu or be.5edfori
ate table, evaluate the next larger size pipe. P/Pe is used.Sweep elbows are recommended for use In vonr sy.s-
lams of other G61MPV units.
10n G61MPV-60D-135 units, sweep etbovvS must be 0sad for all 80"el-
bows 0the vent system,v✓hen 3"vent pipe!s use c d.
Joint Cementing,Prcgddie
.A I M h Q RTA N T
�• .
Doing. freeze-upscause All cementing of joints should be done according to the
May WOCk the terminations. specifications outlined in ASTM D 2855.
TABLE 6
MINIMUM VENT PIPE LENGTHS A WARNING
061MPV MIN.EQUIV.
MODEL VENT LENGTH EXAMPLE DANGEROF • •
045,070. 5 ft.plus 2 elbows of 2", "2-1/2",3Fumes from PVC07171,490, . may ignite during system
091 or 4"diameter pipe check. Allow . dissipate .
114 5 ft.plus 2 elbows of 2-112"3"or 4" before placing unit . .
diameter pipe 1 - Measure and cut vent pipe to desired length.
135"7
5 ft.plus 2 elb4wb or 3"or 4"
diameter pipe 2 Debur and chamfer and of pipe,removing any ridges
*Any approved teiminab'on may be added to the minimum equivalent langth or rough edges if end is not chamfered, edge of pipe
listed, may remove cement from fitting socket and result in a
G61MPV-60C-110 and-111 must havo 90`stmet ell(supplied or fiold te- leaking joint.
placement Canadian kio installed obbeny into unit flue collar
3 Clean and dry surfaces to be joined.
"'G61MPv-600-135 must have 3"to 2"roctucing ett(supplied er liatd raptaoe-
ment Cancan ki)Irk;M36d directly into urea flue ca7ar. 4- Test fit joint and mark depth of fitting on outside of pipe,
Page 19
5- Uniformly apply a liberal coat of PVC primer for PVC or 4- Isolate piping at the point where it exits the outside wall
use a clean dry cloth for ABS to clean inside socket or roof in order to prevent transmission of vibration to
surface of fitting and male end of pipe to depth of fitting the structure.
socket. 5- When furnace is installed in a residence where unit is
NOTE-Furnace flue collar and air inlet fitting are both shut down for an extended period of time, such as a
made of ABS material. Usetransition solvent cement vacation home, make provisions for draining conden-
when bonding ABS to either PVC or CPVC,refer to the sate collection trap and lines.
procedure specified in AS TM D3138.. Exhaust Piping (Figures 23 and 24)
6- Promptly apply solvent cement to end of pipe and in- NOTE-A 2"diameter PVC street ell is located on the
side socket surface of fitting, Cement should be ap-
plied lightly but uniformly to inside of socket, Take b/owerdeck of 60C-110 and 60C-111 units.In upflow or
care to keep excess cement out of socket. Apply sec- downflow applications the street ell must bl-glued us-
ond coat to end of pipe. ing transition solvent cement directly into the unit flue col-
NOTE-Time is critical at this stage.Do not allow prim- lar. See figure 23.A 3"to 2"PVC reducing ell is located on
er to dry before applying cement, the blower deck of the 6OD-135 units. in upflow or
7- Immediately after applying last coat of cement to pipe, downflow applications, the reducing ell must be glued
and while both inside socket surface and and of pipe using transition solvent cement directly into the unit flue
are wet with cement,forcefully insert end of pipe into collar,
socket until it bottoms out.Turn PVC pipe 114 turn dur- 1 - Choose the appropriate side for venting in upflow or
ing assembly(but not after pipe is fully inserted)to dis- downflow positions. Exhaust piping exits from the top
tribute cement evenly_ DO NOT turn ABS or cellular or the unit in horizontal air discharge applications.
core pipe. Glue the field-provided exhaust vent pipe(or provided
(VOTE-Assembly should b6 completed within 20 sec- street ell or reducing ell in upflow or downflow applica-
onds after last application of cement. Hammer blows lions) the flue collar, All PVC cement joints should
be made according to the specifications outlined in
should not be used when inserting pipe. ASTM P 2855. Refer to pipe and fittings specifications
8- After assembly,wipe excess cement from pipe at end and gluing procedures.
of fitting socket. A properly made joint will show a /� N
bead around its entire perimeter.Any gaps may indi-
cate a defective assembly due to insufficient solvent. A M P a RTM
9- Handle joints carefully until completely set. t piping and contrap inust -
eirui�g- I .i. es clowflow applications or use alterni�w drain kit
The thickness of construction through which vent pipes
may be installed is 24" (610mm) maximum and 3/4" 2- All horizontal runs of exhaust pipe must slope back to-
(19mm)minimum.If a G61MPV furnace replaces a furnace ward unit. A minimum of 1/4" (6mm)drop for each 12"
which was commonly vented with another gas appliance, (305mm) of horizontal run is mandatory for drainage,
the size of the existing vent pipe for that gas appliance must Horizontal runs of exhaust piping must be supported ev-
be checked. Without the heat of the original furnace flue ery 5 feet(1.52m)using hangers.
products, the existing vent pipe is probably oversized for NOTE-Exhaust piping should be checked carefully to
the single water heater or other appliance.The vent should make sure there are no sags or low spots.
be checked for proper draw with the remaining appliance. 3- On the opposite side of the cabinet,glue the provided
1 - Use recommended piping materials for exhaust 12"ABS vent plug into the unused ABS flue collar with
p p g pip- ABS or all purpose solvent cement-
ing. 4- Route piping to outside of structure. Continue with
2 - Secure all joints so that they are gastight using ap- installation following instructions given in piping ter-
proved cement, mination section.
Suspend piping using hangers at a minimum of every 5
feet (1-52m) for schedule A CAUTION
40 PVC and every 3 feet $TRi4PPING
(.91m)for ABS PVC- (metal.pl�btic r. . • - .
Lb
large wire
QWV, ,SPR-21 PVC, and ties)
cal discharqe .'I
SOR-26 PVC piping.Asuit-
able hanger can be %bri-
cated by using metal or
plastic strapping or a large FIGURE 22
wire tie. A CAUTION
3 - In areas where piping penetrates joists or Interior ■■- * -
walls,hole must be large enough to allow clearance on lam
a■
all sides of pipe through center of hole using a hanger.
Page 20
TYPICAL EXHAUST PIPE CONNECTIONS AND CONDENSATE TRAP INSTALLATION
IN UPFLOW OR DOWN FLOW DIRECT OR NON-DIRECT V5NT APPLICATIONS
(Right-Hand Exit in Upflow Application Shown)
45" 45"
2.1/2" MAX
t
MAX
3",OR
PLUG PLUG 2„ \ i/
I �I or — 'rRANSITION
2' G61 MPV-074, /
VENT PLVG 2„ with 2-1/2",3",or SIDE VIEW
2" „„
gl ad be
�
a: I� 2" 4"vent pipe
place) "\- 'u
PLUG 2"v2" 4"
4' TRANSITION
CONDENSATE (use only if 4" 'A
F2'
I
TRAP TRANsrriON pipe is
(Must be Installed ---- required)
011 soma 51de 7s 2'max xxhaust piping) langlh.2„ Rr;DJ)CING ELBOW
"2"diameter street elbow provided, G61MPV-11a, (grovlddd)
Street elbow may be used on.045,-470,071,-090,-091. -111 with G61 MPV-110,-111,
2-1/2",3",OR 4" -135 with
vent pipe 3" OR 4"vent pipe
FIGURE 23
TYPICAL EXHAUST PIPE CONNECTIONS Intake Piping
HORIZONTAL DIRECT OR The G61MPV furnace may be installed in either direct vent
NON-DIRECT VENT APPLICATIONS or non-direct vent applications. In non-direct vent applica-
(Horizontal Right—Hand Au Discharge Application Shown) tions,when intake air will be drawn into the furnace from the
-36s.045 surrounding space, the indoor air quality must be consid-
"Limitpipe -36B-070 ered and guidelines listed in Combustion,Dilution and Ven-
length to2"In-110.-111, -3615-071 tilation Air section must be followed.
-136 applications. -360.090
2 1/z°, -64c-090 The G61 NIPV unit is designed for either left-side or right-
s '4" :0G °0111°• side air intake connections in either upflow or downflow ap-
°c-
-60G-111" p lications. In horizontal applications, air intake must be
-6
-GOD-135„ brought in through the top. Intake air piping is independent
— TRANSITION of exhaust piping.
'2" Follow the next four steps when installing the unit in direct
vent applications, where combustion air is taken from
outdoors and flue gases are discharged outdoors, The
�^ provided air intake screen must not be used in direct
DO NOT transition -368.045 vent applications,
from smaller to larger 36Q-074 1 - Use transition solvent cement to connect PVC pipe to
pipe sire In horizontal Z2' �3611-071
runs of exhaust pipe. �36G-090 the ASS slip connector located an the side of the burn-
-6oc-090 er box-
-hoc-o91 2- Use a sheet metal screw to secure the intake pipe to
the connector, if desired, A pilot indentation is pro-
vided in the slip connector to assist in locating and
I� starting the fastener.
3- Glue the provided 2"ASS plug into the unused ASS air
r O intake connector on the opposite side of the cabinet with
)� ASS all pupose cement.
j 4- Route piping to outside of structure. Continue with
installation following instructions given in general
guide lines for piping terminations and in intake and
FIGURE 24 exhaust piping terminations 'For direct vent sections.
Refer to figure 25 for pipe sizes.
Page 21
TYPICAL AIR INTAKE PIPE CONNECTIONS
UPFLOW OR DOWNFLOW DIRECT VENT APPLICATIONS 2.112", (�
(Flight-Hand Exit In Upflow Application Shown) 3"OR
I 4,
21 TRANSITION -_— 3"OR
2" z 2" TRANSITION
PLUG 2"
9e d be 365-045 2'
place) IN,
8-070
36C-090 -3M045 38e-04S
-60C-090 -368.070 -386-070
-61]C-091 -369-011 36C-090 -36C•071
-36C-090
-BOC-090
60C-091 •60C-090
60C-110*
-60C-111* •60C.111,
60D-135,
'Lunt pipe long h to 4' in
-1TU,-11i,-135 a1.y�!lc�tlOns,
FIGURE 25
TYPICAL AIR INTAKE PIPE CONNECTIONS Follow the next three steps when installing the unit in Non-
HORIZONTAL DIRECT VENT APPLICATIONS Direct Vent applications where combustion air is taken
(Horizontal Right-Hand Air Discharge Application Shown) from indoors and flue gases are discharged outdoors.
-368.045r-2
-35B-070
*Limit pipe -368-n4 TYPICAL AIR INTAKE PIPE CONNECTIONS
length to 4" in "60C-090 UPFLOW OR HORIZONTAL NON-DIRECT
.110, -111, .135 -60C-091 VENT APPLICATIONS
applications- -6DC-110 (Right-Hand Exit in Upflow Application Shown)
-60C-111-60D-135' 6 l0,Max,
•36B-045-368-070 ,
368.071 L'
•36C.090
BOC-090 2 �� PLUG
-60C-091 r (Must be
-6oC-110 TRANSITION glued in
.60C-111 Li 2,. place) _ INTAKE
'"� _` DEBRIS
-368.045 %., 2" :� SCREEN
-368-070 �s I 1 �� (Provided)
•368.071
•36C•090 � ,: _
-60C
NOTE-Debris screen and elbow may be rotated, so that
screen may be positioned to face forward, backward or
downward.
FIGURE 27
FIGURE 26
Page 22
TYPICAL AIR INTAKE PIPE CONNECTIONS
DOWNFLOW NON-DIRECT VENT APPLICATIONS
(Right-Hand Exit in Downflow Applications Shown)
8
2"SWEEP
ELL INTAKE
6 DEBRIS
SCREEN
F�- (Provided)
PLUG 6 In.Max.
gMl us��e PLUG
pyacep 9p�aca�
0� � 2" [:qE 18 in
El
INTAKE DEBRIS 2"SWEEP ELL
SCREEN
(Provided)
Downflow Downll¢w Additive How Rasa
Evaporator
Coil NOTE- Debris screen and sweep el/may bs rotated, so that
screen may be positioned to face forward,backward or to the side.
FIGURE 28
1 - Use field-provided materials and the factory-provided evaporator coil,the intake air routing should be modi-
air intake screen to route the intake piping as shown in fiied as shown in figure 28.
figures 27 and 28. Maintain a minimum clearance of 3"
(76mm)around the air intake opening.The air intake 2 - Use a sheet metal screw to secure the intake pipe to
opening(with the protective screen)should always be the connector, if desired. A pilot indentation is pro-
directed either downward or straight out. Use 2"pipe vided in the slip connector to assist in locating and
and fittings only and make sure that the air intake does starting the fastener.
not extend more than 6"beyond the G61 MPV cabinet,
The air intake connector must not be located near 3- Glue the provided 2"ABS plug into the unused ABS air
the floor.To avoid this complication In downflow intake connector on the opposite side of the cabinet
applications which do not include a downflow with ABS or all purpose solvent cement,
Page 23
General Guidelines for Vent Terminations NOTF-If winter design temperature is below 32•F(M),
In Non-Direct Vent applications, combustion air is taken Exhaust piping should be insulated with 112"(13mm), Ar-
from indoors and the flue gases are discharged to the out- maNex or equivalent when run through unheated space.
Do not leave any surface area of exhaust pipe open to out-
doors. The G51 MPV is then classified as a non-direct side air,,exterior exhaust pipe should be insulated with 112"
vent,Category IV gas furnace. (13mm) Armaflex or equivalent, in extreme cold climate
In Direct Vent applications, combustion air is taken from areas, 314"(19mm)Armaflex or equivalent may be neces-
outdoors and the flue gases are discharged to the out- sary. Insulation on outside runs of exhaust pipe must be
painted or wrapped to protect insulation from deterioration.
doors, The G61MPV is then classified as a direct vent, Exhaust pipe insulation may not be necessary in some
Category IV gas furnace. specific applications.
In both Non-Direct Vent and Direct Vent applications,the NOTE - During extremely cold temperatures, below
vent termination is limited by local building Codes. In the approximately 20OF(6.7°C), units with long runs of vent
pipe through unconditioned space, even when insulated,
absence of local codes, refer to the current National Fuel may form ice in the exhaust termination that prevents tho
Gas Code ANSI Z223-11NFPA 54 in U.S.A., and current unit from operating properly Longer run times of at least 5
CSA-B149 Natural Gas and Propane Installation Codes in minutes will alleviate most icing problems. Also, a hoating
Canada for details. cable may be installed an exhaust piping and termination to
prevent freeze-ups. Heating cable installation kit is avail-
Position termination according to location given in figure 29 able from Lennox. See Condensate Piping section for part
or 30. In addition, position termination so it is free from any numbers.
obstructions and 12"above the average snow accumula-
tion. A IiUIPORTANT
At vent termination, care must be taken to maintain Do not
screens or perforated imtal in exhaust
protective coatings over building materials (prolonged terminations. r• d
exposure to exhaust condensate can destroy protective may block the tc4rninations.
coatings).It is recommended that the exhaust outlet not be
located within 6 feet(1.8m)of a condensing unit because A IMPORTANT
the condensate can damage the painted coating.
Only:For Canadian Installatio"s
accordanceIn
code5, the minimum allowed distance toetween the
combustion • the exhaust outlet of
i
Page 24
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BUILDING PERMIT PERMIT#: BLD20100136
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. ADDRESS: 19432 45TH DR,ARLINGTON BALANCE: $0 00
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