HomeMy WebLinkAbout18930 66TH AVE NE_014795_2026 C I TY OF 6=kRL. I NS-rON
CONSY RUCY I ON PERM I T
F3,IERM I T NO- = O 1 —4-79n
Owner: THOMCO CONSTRUCTION 18930 66TH AVE NE ARLINGTON 98023
Value of Work: $1L,000. 00 Tax ID: 153100--4-012-0009 Phone: 360 435 0110
Describe Work: ` - 300,000 BTO UNIT HEATERS/ 2 TON HVAC UNIT/1 FORCED AIR
Proposed Use: LAUNDRY TRANSFER/OFFICE
Legal Description:
Job Address: 18930 66TH AVE NE
Contractor' s Name Type Address License#
PUGET HEATING CO INC. MEC PO BOX 336 LK STEV PUGETH* 6481i
P E R M I T F E E S
Equipment and Fixtures Number Fee Total Charge
I FURNACE/UNIT HEATER 3 $15. 00 $45. 00
AIR HANDLING UNIT 1 $11.00 $11,00 t
VENTILATION FANS 2 $7. 00 $'14. 00
GAS PIPING 1-4 OUTLETS 1 $6. 00 $6.00
S U B T O T A L. .... . $76.00 I
TOTALS Fee �—
Equipment .00
WORK WITH NO PERMIT $100100.00 �
Mech Permit $24.00
SIGNATURE,
TOTAL FEE. . . . . . . . . . . . . . . . . $200.00 T HEREBY CERTIFY THAT I AVE READ
AND EXAMINED THIS APPLICATION AND
PAYMENTS.... ... .... .... . . . $0.00 KNOW THE SAME TO BE TRUE AND COR-
RECT ALL PROVISIONS OF LAWS AND
TOTAL DUE. . . .... ...... . . . . $200.00 ORDINANCES GOVERNIN.� THIS TYPE OF
WORK WILL 8 ,OMP D ITH WHETHER
DATE RECEIPT #
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INSTALLATION
Table 3 -2-
Gas Pipe Capacities
In Cu.Ft.per Hour with Pressure Drop pf 0.3 in.W.C.with Specific Gravity 0.60.
Length of Diameter of Pipe-Inches
Pipe in Ft. 1/2 3/4 1 1 1/4 1 1/2 2 3 4 6 8
15 76 218 440 750 1220 2480 6500 13880 38700 79000
30 73 152 285 590 890 1650 4700 9700 27370 55850
45 44 124 260 435 700 1475 3900 7900 23350 45600
60 50 105 190 400 610 1150 3250 6800 19330 39500
75 _ _ 97 200 345 1 545 1120 3000 6000 17310 1 35300
90 88 160 320 490 930 2600 5400 15800 32250
105 80 168 285 450 920 2450 5100 14620 29850
120 158 270 420 860 2300 4800 13680 27920
150 120 242 380 710 2000 4100 12240 25000
180 128 225 350 72.0 1950 4000 11160 22800
210 205 320 660 1780 3700 10330 21100
240 190 300 620 1680 3490 9600 19740
270 178 285 580 1580 3250 9000 18610
300 170 270 545 1490 3000 8500 17660
450 140 226 450 1230 2500 7000 14420
600 119 192 380 1030 2130 6000 12480
Wiring Attachment of Field Installed Ductwork,
CAUTION Blower (BD) Models Only
Burned-out heat exchanger as well as shorter equipment
Disconnect power supply before making wiring connections life will result from not providing uniform air distribution.
to prevent electrical shock and equipment damage.ALL When installing heater always follow good duct design
UNITS MUST BE WIRED STRICTLY IN ACCORDANCE
WITH WIRING 41AGRAM FURNISHED WITH UNIT. A CAUTION
ANY WIRING DIFFERENT FROM WIRING DIAGRAM MAY
BE HAZARDOUS TO PERSONS AND PROPERTY. Do not attempt to attach ductwork of any kind to propeller PD
Any damage to or failure-of Modine units caused by incorrect models.
wiring of the units is not covered by MODINE'S STANDARD
WARRANTY(see Back Cover). practices for even distribution of the air across the heat
exchanger. Recommended layouts are shown below. When
All field installed wiring must be done in accordance with the installing blower units with ductwork the following must be
National Electrical Code ANSI/NFPA 70—Latest Edition or done.
Canadian Electrical Code CSA C22.1 Part 1 or local codes. 1. provide uniform air distribution over the heat
Unit must be electrically grounded according to these codes.See wiring diagram shipped with unit. exchanger. Use turning vanes where required. See figures The power to these unit heaters should be protected with a below.
circuit breaker. Units for use with single-phase electric power, 2. Provide removable access panels in the ductwork on the
should be provided with a manual motor starter, having downstream side of the unit heater.These openings should
properly sized overload protection. Units for use with three- be large enough to view smoke or reflect light inside the
phase electric power must be provided with a motor starter casing to indicate leaks in the heat exchanger and to check
having properly sized overload protection. for hot spots on exchanger due to poor air distribution or
Location of thermostat should be determined by heating lack of sufficient air.
requirements and be mounted on an inside wall about 5'above 3. If ductwork is connected to the rear of the unit use Modine
floor level where it will not be affected by heat from the unit or blower enclosure kit or if using field designed enclosure
other sources, or drafts from frequently opened doors. See maintain dimensions of blower enclosure as shown on page 13.
instructions packed with thermostat. A CA U T I O N
Installation of Blower Models (BD UNITS)
Check for red heat exchanger tubes. If bottom of tubes
CA U T 1 O N become red while blower unit is in operation, check for
proper air volume and air distribution.Adjust blower speed or
Proper air flow and distribution, across the heat exchanger correct discharge duct design to correct problem.
must be provided to prevent early failure of the blower unit
heater.
6
i
GAS SUPPLY AND PIPING
GAS SUPPLY I FIGURE 12
A WdaRNING GAS PIPING INSTALLATION
UPFLOW&DOWNFLOW
THIS FURNACE IS EQUIPPED AT
THE FACTORY FOR USE ON MANUAL GAS VALVE UNION
NATURAL GAS ONLY.CONVER-
SION TO LP GAS REQUIRES A GAS VALVE
SPECIAL KIT SUPPLIED BY THE
DISTRIBUTOR OR MANU-
FACTURER. MAILING ADDRESSES
ARE LISTED ON THE FURNACE
RATING PLATE, PARTS LIST AND 4 TO 5 FEET IGNITION OF PILOT
WARRANTY. FAILURE TO USE ABOVE FLOOR
REO'D BY SOME
THE PROPER CONVERSION KIT UTILITIES -
CAN CAUSE FIRE,CARBON MANIFOLD
MONOXIDE POISONING, DRIP LEG 7
EXPLOSION, PROPERn BURNERS
DAMAGE,PERSONAL INJURY OR
DEATH.
See the conversion kit index
supplied with the furnace.This
index identifies the proper LP Gas HORIZONTAL
Conversion Kit required for each —MANUAL GAS VALVE
particular furnace.
IMPORTANT.Any additcns, DUCT
�-
changes or conversions required for %
4 To 5 FEET
the furnace to satisfactorily meet the ABOVE FLOOR
application should be made by a REo'D BY SOME '
qualified installer, service agency or UTILITIES
the gas supplier, using factory-
specified or approved parts. DRIP LEG - UNION
IMPORTANT:Connect this furnace
only to gas supplied by a commercial
ail
utility. BURNERS—
IMPORTANT:A U.L.recognized
fuel gas and CO�Ietector(s)are
recommended in all applications,
and their installation should be in GAS VALVE
accordance with the detector MANIFOLD IGNITION OF PILOT
manufacturer's recommendations —
and/or local laws, rules, regulations or IMPORTANT:It is permissible to run IMPORTANT. When making gas pipe
customs. flexible gas connector inside the unit to connections, use a back-up wrench to
a piece of black pipe. prevent any twisting of the control
GAS PIPING Install a ground joint union inside the assembly and gas valve.
Install the gas piping according to all cabinet to easily remove the control Any strains on the gas valve can
local codes and regulations of the valve assembly. Install a manual change the position of the gas orifices
utility company. shut-off valve in the gas line outside in the burners.This can cause erratic
If possible, run a separate gas supply the furnace casing.The valve should furnace operation.
line directly from the meter to the be readily accessible to turn the gas IMPORTANT:ENSURE that the
furnace. Consult the local gas supply on or off. Install a drip leg in the furnace gas control valve not be
company for the location of the gas supply line as close to the furnace subjected to high gas line supply
manual main shut-off valve.The gas as possible.Always use a pipe pressures.
line and manual gas valve must be compound resistant to the action of
adequate in size to prevent undue liquefied petroleum gases on all DISCONNECT the furnace and its
pressure drop and never smaller threaded connections. individual shut-off valve from the gas
than the pipe size to the com- supply piping during any pressure
bination gas valve on the furnace. testing that exceeds 1/2 p.s.i.g. (3.48
Refer to Table 2 for the recom- kPa).
mended pipe size for natural gas and
Table 3 for LP gas pipe sizes.
15
GAS PRESSURE FIGURE 14
Natural gas supply pressure should LP KIT CONTENTS
be 5"to T'w.c.LP gas supply
pressure should be 11"to 14"w.c. - - -- —This pressure must be maintained
with all other gas-fired appliances in operation. Never exceed a maximum 9 .r-"►•t
gas supply pressure of 14 w.c.with
any fuel.
•
The minimum supply pressure to the �koT,4`y��^f'=�:+�rvsrR
gas valve for proper furnace input is•iev no•L ^�"& 1'ryH0rsuHF'16 s+v,FICh
adjustments is 5"w.c.for natural gas, -� "''—" '=:••• - -- - '
however 6"to 7"is recommended.The
minimum supply pressure is 11"w.c.
for LP gas.
WARNING ,r••� �� /`
NEVER PURGE A GAS LINE INTO
THE COMBUSTION CHAMBER. J E===p r
NEVER USE MATCHES, FLAME OR 3:359t
ANY IGNITION SOURCE FOR
CHECKING LEAKAGE.FAILURE TO \ -• `'�,„
FOLLOW THIS WARNING CAN " ��;
CAUSE AN EXPLOSION OR FIRE
RESULTING IN PROPERTY
DAMAGE, PERSONAL INJURY OR --
DEATH.
To check for gas leakage, use an
approved chloride-free soap and water
solution, an electronic combustible gas
detector(see Figure 13),or other
approved method.
FIGURE 15
HOSE CONNECTION TO LINE PRESSURE TAP
FIGURE 13 — -
ELECTRONIC COMBUSTIBLE
GAS DETECTOR
oneall '
16
SETTING GAS PRESSURE
The maximum gas supply pressure 2. Connect a U-Tube manometer to If the supply gas line pressure is above
to the furnace should be 7"w.c. the pressure tap. See Figure 15. these ranges, install an in-line gas
natural gas,or 14"w.c. LP gas. The 3. Turn on the gas supply and regulator to the furnace for natural gas
minimum supply gas pressure to the operate the furnace and all other units.With LP gas, have the LP
gas valve should be 5"w.c. natural gas gas-fired units on the same gas supplier reduce the line pressure at the
or 11"w.c. LP gas.A properly regulator.
calibrated U-Tube manometer is line as the furnace.
required for accurate gas pressure 4. Note or adjust the line gas If supply gas line pressure below
measurements. pressure to give: these ranges,either remove any
restrictions in the gas supply piping or
Supply Gas Pressure Measurement. A. 5"-7"w.c.for natural gas. enlarge the gas pipe.See Tables 2 and
A line pressure tap is on the input side B. 11"- 14"w.c.for LP gas. 3.With LP gas, have the LP supplier
of the gas valve. adjust the line pressure at the
5. Shut off the gas at the manual gas
1. With gas shut off to the furnace at valve and remove the regulator.
the manual gas valve outside the U-Tube manometer.
unit, remove the input pressure tap
plug. 6. Replace the pressure tap plug
before turning on the gas.
TABLE 2
NATURAL GAS PIPE CAPACITY TABLE(CU.FT./HR.)
Capacity of gas pipe of different diameters and lengths in cu.ft.per hr.with pressure drop of 0.3 in.and specific
gravity of 0.60(natural gas).
Nominal Length of Pipe,Feet
Iron Pipe
Size,Inches 10 20 30 40 50 60 70 80
1/2 132 92 73 63 56 50 46 43
314 278 190 152 130 115 105 96 90
1 520 350 285 245 215 195 180 170
1-1/4 1,050 730 590 500 440 400 370 350
1-1/2 1,600 1,100 890 760 670 610 560 530
After the length of pipe has been determined,select the pipe size which will provide the minimum cubic feet per hour
required for the gas input rating of the furnace.By formula:
Cu.Ft.Per Hr.Required = Gas Input of Furnace(BTU/HR)
Heating Value of Gas(BTUIFT3)
The gas input of the furnace is marked on the furnace rating plate.The healing value of the gas(BTUIF 13)may be
determined by consulting the local natural gas utility or the LP gas supplier.
TABLE 3
LP GAS PIPE CAPACITY TABLE(CU.FT./HR.)
Maximum capacity of pipe in thousands of BTU per hour of undiluted liquefied petroleum gases(at 11 inches
water column inlet pressure).
(Based on a Pressure Drop of 0.5 Inch Water Column)
Nominal Length of Pipe,Feet
Iron Pipe
Size,Inches 10 20 30 40 50 60 70 80 90 100 125 150
1/2 275 189 152 129 114 103 96 69 83 78 69 63
3/4 567 393 315 267 237 217 196 1E2 173 162 146 132
1 1,071 732 590 504 448 409 378 346 322 307 275 252
1-1/4 2,205 1,496 1,212 1,039 913 834 771 724 677 630 567 511
1-1/2 3,307 2,299 1,858 1,559 1,417 1,275 1,181 1,066 1,023 976 866 787
2 6,221 4,331 3,465 2,992 2,646 2,394 2,205 2,0z-7 1,921 1,811 1,606 1,496
Example(LP): Input BTU requirement of unit,150,000
Equivalent length of pipe,60 ft. = 3/4"IPS required. —
18
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