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6126 209th St Ne Unit 8_BLD5913_2025
Permit Packet Coversheet Community and Economic Development City of Arlington • 18204 59th Avenue NE • Arlington, WA 98223 • Phone (360) 403-3551 Permit Number: BLD5913 Permit Type: Residential Mechanical Address/Parcel: 6126 209th St Ne Unit 8 Completed (Month/Year): April 2024 Land Use Bonding or Assignment of Funds Notice of Decision o Confidential Documents. Contact the Staff Report City to obtain. Application As-Builts Narrative Letters and Project Documents Legal Description Other: Vicinity Map Site Plan Civil Landscape Plan Issued Permit Complete Streets Checklist Application Traffic Impact Analysis Other Applications Snohomish County Traffic Mitigation Offer Construction Calculation Worksheet WSDOT Traffic Offer Form Approved Plans Tree Survey Review Comment Form Stormwater Drainage Report Letters and Project Documents Geotech Report Other Agency Permits Critical Area Evaluation Form Reports: SEPA Checklist o Drainage Report Pg: Public Notice Material o Stormwater Pg: Noticing and Related Documents o Geotech Pg: Water / Sewer Availability Certificate o All Other Reports Unanticipated Discovery Plan Form SEPA and Noticing Materials Aerial Photo of Site Inspections Proposed Building Materials As-Builts Lighting Plans and Lighting Cut Sheets Other: Color Elevations Design Matrix Building Plat Map ✔ Issued Permit Title Report ✔ Application Lot Closures Additional Applications Preliminary Civil Plans Approved Plans Archaeological Survey ✔ Site Plan o Confidential Documents. Contact the Letters and Project Documents City to obtain. Calculations Topography (Existing Conditions) ✔ Project Specification Manuals CC&R’s Reports Deeds / Easements / Conveyances Certificate of Occupancy /Dedications Inspections Developer’s Agreement Other: Letters and Project Documents Page 1 of 1 ML17XC1 - 1.5-5 TON AIR CONDITIONERS AI R CONDI TI ONE RS ML17XC1 MERIT® Series R-410A - 60 Hz RESIDENTI AL Bulletin No. 211005 January 2023 PRODUCT SPECIFICATIONS Supersedes September 2022 SEER2 up to 17.4 / SEER up to 18.6 1.5 to 5 Tons Cooling Capacity - 16,700 to 59,500 Btuh MODEL NUMBER IDENTIFICATION ML 17 X C 1 - 036 - 230 A 01 Product Tier Revision Level ML = Merit® Series Nominal Efficiency Ratings Revision Level Refrigerant Type Voltage X = R-410A 230 = 208/230V-1 phase-60Hz Unit Type Nominal Cooling Capacity C = Air Conditioner (Condenser) 018 = 1.5 tons 024 = 2 tons 030 = 2.5 tons Cooling Stages 036 = 3 tons 1 = Single Stage Compressor 041 = 3.5 tons 042 = 3.5 tons 047 = 4 tons 048 = 4 tons 059 = 5 tons 060 = 5 tons FEATURE HIGHLIGHTS B 1. Outdoor Coil Fan 2. Quantumâ„¢ Coil C 3. High Pressure Switch F 4. Low Pressure Switch 5. Scroll Compressor G 6. Heavy Gauge Steel Cabinet 7. Refrigerant Line Connections and Access D H E CONTENTS Approvals And Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Dimensions - Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Electrical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Field Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Installation Clearances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Model Number Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Optional Accessories - Order Separately . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Sound Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 TXV Substitution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 TXV Usage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 ML17XC1 - 1.5 to 5 Ton Air Conditioner / Page 2 APPROVALS AND WARRANTY APPROVALS • AHRI Standard 210/240-2023 certified • AHRI Certified system match-ups and expanded ratings, visit www.LennoxPros.com • ENERGY STAR® Certified • Sound rated to AHRI Standard 270-2008 test conditions • Tested in Lennox’ Research Laboratory environmental test room • Rated According to U.S. Department of Energy (DOE) test procedures • Unit and components ETL, NEC and CEC bonded for grounding to meet safety standards for servicing • ETL certified (U.S. and Canada) • ISO 9001 Registered Manufacturing Quality System WARRANTY • Compressor: • Limited five years in residential installations • Limited five years in non-residential installations • All other covered components: • Limited five years in residential installations • Limited one year in non-residential installations NOTE - Refer to Lennox® Basic Limited Warranty at www.Lennox.com for additional details. FEATURES APPLICATIONS CQuantumâ„¢ Coil • 1.5 through 5 ton • Lennox designed and fabricated coil • Sound levels as low as 73 dBA • Enhanced aluminum alloy tube/enhanced fin coil • Single-phase power supply • Superior corrosion resistance • Vertical air discharge • Ripple-edged aluminum fins • Applicable to indoor air handlers or gas furnaces with • Aluminum tube construction indoor add-on coils • Lanced fins for maximum fin surface exposure • Shipped completely factory assembled, piped and wired • Fin collars grip tubing for maximum contact area REFRIGERATION SYSTEM • Flared shoulder tubing connections • Factory tested under high pressure R-410A Refrigerant • Non-chlorine, ozone friendly • Entire coil is accessible for cleaning • Unit is factory pre-charged High Capacity Liquid Line Drier • Furnished with unit for field installation BOutdoor Coil Fan • Direct drive fan • Approved for use with R-410A systems • Vertical air discharge • Traps any moisture or dirt that could contaminate the refrigerant system • Totally enclosed fan motor • PSC motor (018, 024, 030, 036, 042, 048 and 060 DHigh Pressure Switch models) • Protects the system from high pressure conditions • ECM motor (041, 047 and 059 models) • Automatic reset • Inherently protected ELow Pressure Switch • Motor rain shield • Shuts off unit if suction pressure falls below setting • Louvered steel fan guard • Provides loss of charge and freeze-up protection • Automatic reset ML17XC1 - 1.5 to 5 Ton Air Conditioner / Page 3 FEATURES REFRIGERATION SYSTEM (continued) COMPRESSOR Optional Accessories FScroll Compressor • High efficiency with uniform Expansion Valve Kits suction flow • Field installed on certain indoor units • Constant discharge flow, high • See TXV Usage table volumetric efficiency and quiet • Chatleff-style fitting operation Freezestat • Low gas pulses during compression reduces operational • Senses suction line temperature sound levels • Cycles compressor off when suction line temperature • Compressor motor is internally falls below it’s setpoint protected from excessive current • Opens at 29°F and closes at 58°F and temperature • Installs on or near the discharge line of the evaporator or • Compressor is installed in the on the suction line unit on resilient rubber mounts for vibration free operation Refrigerant Line Kits • Refrigerant lines are shipped refrigeration clean Scroll Compressor Operation • Lines are cleaned, dried, pressurized and sealed at • Two involute spiral scrolls matched together generate a factory series of crescent-shaped gas pockets between them • Suction line fully insulated • During compression, one scroll remains stationary while the other scroll orbits around it • Lines are stubbed at both ends • Gas is drawn into the outer pocket, the pocket is sealed NOTE - Not available for 059-060 models. Must be field as the scroll rotates fabricated. • As the spiral movement continues, gas pockets are pushed to the center of the scrolls. Volume between the pockets is simultaneously reduced • When the pocket reaches the center, gas is now at high pressure and is forced out of a port located in the center of the fixed scrolls • During compression, several pockets are compressed simultaneously resulting in a smooth continuous compression cycle • Continuous flank contact, maintained by centrifugal force, minimizes gas leakage and maximizes efficiency • Compressor is tolerant to the effects of slugging and contaminants. If this occurs, scrolls separate, allowing liquid or contaminants to be worked toward the center and discharged Compressor Crankcase Heater (041, 047, 048, 059 and 060 models) • Protects against refrigerant migration that can occur during low ambient operation or during extended off cycles Optional Accessories Compressor Crankcase Heater (018 through 036 models) • Protects against refrigerant migration that can occur during low ambient operation or during extended off cycles Compressor Sound Cover • Reinforced vinyl compressor cover • 1-1/2 inch thick batt fiberglass insulation • All open edges are sealed with a one-inch wide hook and loop fastening tape ML17XC1 - 1.5 to 5 Ton Air Conditioner / Page 4 FEATURES COMPRESSOR (continued) • Wi-Fi remote monitoring and adjustment through a home wireless network for desktop PCs, laptops and Optional Accessories (continued) apps for smartphones or tablets Compressor Hard Start Kit • Smart home automation compatible with Amazon • Single-phase units are equipped with a PSC compressor Alexa®, Google Assistant and IFTTT motor • Service Dashboard features online real-time monitoring • This type of motor normally doesn’t need a potential of installed Lennox® Communicating thermostats relay and start capacitor NOTE - See the Lennox® M30 Smart Thermostat Product • For conditions such as low voltage kit may be required Specifications bulletin in the Controls section for to increase the compressor starting torque more information. Compressor Low Ambient Cut-Off Switch Remote Outdoor Temperature Sensor • Non-adjustable switch (low ambient cut-out) prevents • Used with the Lennox® M30 Smart Wi-Fi Thermostat compressor operation when outdoor temperature is • Outdoor sensor allows thermostat to below 35°F display outdoor temperature Compressor Time-Off Control NOTE - Sensor is required for the • Kit prevents compressor short-cycling and allows time Enhanced Dehumidification for suction and discharge pressure to equalize. Accessory (EDA). • Permits compressor start-up in an unloaded condition. Thermostat • Automatic reset with 5 minute delay between • Thermostat is not furnished with unit compressor shut-off and start-up • Lennox Price Book for selection CONTROLS Indoor Blower Off Delay Relay • Delays the indoor blower-off time during the cooling Optional Accessories cycle M30 Smart Thermostat Low Ambient Kit • Wi-Fi-enabled, electronic 7-day, universal, multi-stage, • Air conditioners can operate down to 45°F outdoor air programmable, touchscreen thermostat temperature without additional controls • 4 Heat/2 Cool • Allows unit to operate properly down to 30°F • Auto-changeover NOTE - Crankcase heater and freezestat should be • Dual-fuel control with installed on compressors equipped with a low optional outdoor sensor ambient kit. • Controls dehumidification NOTE - A compressor lock-out thermostat should be during cooling mode and added to terminate compressor operation below humidification during recommended operation conditions. heating mode • Offers enhanced capabilities including humidification / dehumidification / dewpoint measurement and control, Humiditrol® control, and equipment maintenance reminders • Easy to read 4.3 in. color touchscreen (measured diagonally) • LCD display with backlight shows the current and set temperature, time, inside relative humidity, system status (operating mode and schedules) and outside temperature (optional outdoor sensor required) • Smooth Setback Recovery starts system early to achieve setpoint at start of program period • Compressor short-cycle protection (5 minutes) • Up to four separate schedules are available plus Schedule IQâ„¢ • One-Touch Away Mode - A quick and easy way to set the cooling and heating setpoints while away • Smart Awayâ„¢ - Uses geo-fencing technology to determine when the homeowner is within a predetermined distance from the home to operate the system when leaving, away and arriving ML17XC1 - 1.5 to 5 Ton Air Conditioner / Page 5 FEATURES CABINET G• Heavy gauge steel construction • Louvered heavy gauge steel panels surround unit on all four sides • Five station metal wash process • Powder paint finish • Control box is conveniently located with all controls factory wired • Corner patch plate allows access to compressor components • Drainage holes are provided in base section for moisture removal PermaGuardâ„¢ Unit Base • Durable zinc-coated base section resists rust and corrosion HRefrigerant Line Connections, Electrical Inlets, Service Valves • Sweat connection suction and liquid lines • Located on corner of unit cabinet • Suction valve can be fully shut off, while liquid valve may be front seated to manage refrigerant charge while servicing system • Refrigerant line connections and field wiring inlets are located in one central area of the cabinet • See dimension drawing Optional Accessories Unit Stand-Off Kit • Black high density polyethylene feet raise unit off of mounting surface • Four feet are furnished per order number ML17XC1 - 1.5 to 5 Ton Air Conditioner / Page 6 SPECIFICATIONS General Model No. ML17XC1-018 ML17XC1-024 ML17XC1-030 ML17XC1-036 ML17XC1-041 Data Nominal Tonnage 1.5 2 2.5 3 3.5 Indoor Unit Expansion Valve (TXV) (If needed) 12J18 12J18 12J18 12J19 12J20 RFCIV Metering Orifice Usage 0.051 0.059 0.067 0.072 N/A Connections Liquid line OD - in. 3/8 3/8 3/8 3/8 3/8 (sweat) Suction line OD - in. 3/4 3/4 3/4 7/8 7/8 1 Refrigerant (R-410A) furnished 4 lbs. 8 oz. 5 lbs. 2 oz. 6 lbs. 8 oz. 8 lbs. 8 oz. 8 lbs. 12 oz. Outdoor Net face area Outer coil 16.33 21.00 16.33 21.00 22.17 Coil sq. ft. Inner coil - - - - - - 15.75 20.25 21.33 Tube diameter - in. 5/16 5/16 5/16 5/16 5/16 Number of rows 1 1 2 2 2 Fins per inch 26 26 22 22 22 Outdoor Diameter - in. 22 22 22 22 26 Fan Number of blades 2 3 3 3 3 Motor hp 1/6 1/8 1/8 1/6 1/3 Cfm 2610 2990 2820 3040 3920 Rpm 825 825 825 825 825 Watts 160 160 160 190 180 Shipping Data - lbs. 1 package 155 170 180 200 225 ELECTRICAL DATA Line voltage data - 60 Hz - 1ph 208/230V 208/230V 208/230V 208/230V 208/230V 2 Maximum overcurrent protection (MOCP) amps 15 20 25 30 35 3 Minimum circuit ampacity (MCA) 12 15.4 18.4 17.4 21.9 Compressor Rated load amps 8.8 11.7 14.1 13.1 15.4 Locked rotor amps 42.6 59.5 71.3 83.1 92.1 Condenser Full load amps 1 0.74 0.74 1 2.6 Fan Motor Locked rotor amps 1.9 1.65 1.65 1.9 3.2 CONTROLS - ORDER SEPARATELY M30 Smart Thermostat 15Z69 • • • • • Remote Outdoor Temperature Sensor X2658 • • • • • OPTIONAL ACCESSORIES - ORDER SEPARATELY Compressor Crankcase Heater 93M04 • • • • Compressor Hard Copeland 10J42 • • • Start Kit LG 88M91 • • • • • Compressor Low Ambient Cut-Off Switch 45F08 • • • • • Compressor Sound Cover 18J42 • • • • • Compressor Time-Off Control 47J27 • • • • • Freezestat 3/8 in. tubing 93G35 • • • • • 5/8 in. tubing 50A93 • • • • • Indoor Blower Off Delay Relay 58M81 • • • • • Low Ambient Kit (Fan Cycling) 34M72 • • • • • Refrigerant Line 3/8 x 3/4 x 3/8 - 20 ft. 89J56 Sets 3/8 x 3/4 x 3/8 - 30 ft. 89J57 (Liq. x Suct. OD • • • 3/8 x 3/4 x 3/8 - 40 ft. 89J58 x Insulation 3/8 x 3/4 x 3/8 - 50 ft. 89J59 Thickness - 3/8 x 7/8 x 3/8 - 30 ft. 89J60 Length) 3/8 x 7/8 x 3/8 - 40 ft. 89J61 • • 3/8 x 7/8 x 3/8 - 50 ft. 89J62 Unit Stand-Off Kit 94J45 • • • • • NOTE - Extremes of operating range are plus 10% and minus 5% of line voltage. 1 Refrigerant charge sufficient for 15 ft. length of refrigerant lines. For longer line set requirements see the Installation Instructions for information about line set length and additional refrigerant charge required. 2 HACR type circuit breaker or fuse. 3 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements. 4 Crankcase Heater and Freezestat are recommended with Low Ambient Kit. ML17XC1 - 1.5 to 5 Ton Air Conditioner / Page 7 SPECIFICATIONS General Model No. ML17XC1-042 ML17XC1-047 ML17XC1-048 ML17XC1-059 ML17XC1-060 Data Nominal Tonnage 3.5 4 4 5 5 Indoor Unit Expansion Valve (TXV) (If needed) 12J20 12J20 12J20 12J20 12J20 RFCIV Metering Orifice Usage 0.081 - - - 0.084 - - - 0.092 Connections Liquid line OD - in. 3/8 3/8 3/8 3/8 3/8 (sweat) Suction line OD - in. 7/8 7/8 7/8 1-1/8 1-1/8 1 Refrigerant (R-410A) furnished 9 lbs. 2 oz. 9 lbs. 13 oz. 9 lbs. 8 oz. 11 lbs. 14 oz. 12 lbs. 8 oz. Outdoor Net face area Outer coil 22.17 22.17 24.93 29.09 29.09 Coil sq. ft. Inner coil 21.33 21.33 24.13 28.16 28.16 Tube diameter - in. 5/16 5/16 5/16 5/16 5/16 Number of rows 2 2 2 2 2 Fins per inch 22 22 22 22 22 Outdoor Diameter - in. 26 26 22 26 26 Fan Number of blades 3 3 4 4 4 Motor hp 1/4 1/3 1/4 1/3 ¼ Cfm 4060 3920 3700 4050 4180 Rpm 825 825 825 825 825 Watts 260 180 290 220 290 Shipping Data - lbs. 1 package 225 225 235 260 260 ELECTRICAL DATA Line voltage data - 60 Hz - 1ph 208/230V 208/230V 208/230V 208/230V 208/230V 2 Maximum overcurrent protection (MOCP) amps 35 35 50 50 50 3 Minimum circuit ampacity (MCA) 24.6 27.5 33 35.5 31.3 Compressor Rated load amps 18.6 19.9 25 26.3 23.9 Locked rotor amps 110 110 120 140.6 124.5 Condenser Full load amps 1.4 2.6 1.7 2.6 1.4 Fan Motor Locked rotor amps 3.2 - - - 3.2 - - - 3.2 CONTROLS - ORDER SEPARATELY M30 Smart Thermostat 15Z69 • • • • • Remote Outdoor Temperature Sensor X2658 • • • • • OPTIONAL ACCESSORIES - ORDER SEPARATELY Compressor Hard Copeland 10J42 • • • • Start Kit LG 88M91 • • • • • Compressor Low Ambient Cut-Off Switch 45F08 • • • • • Compressor Sound Cover 18J42 • • • • • Compressor Time-Off Control 47J27 • • • • • Freezestat 3/8 in. tubing 93G35 • • • • • 5/8 in. tubing 50A93 • • • • • Indoor Blower Off Delay Relay 58M81 • • • • • Low Ambient Kit (Fan Cycling) 34M72 • • • • • Refrigerant Line 3/8 x 7/8 x 3/8 - 30 ft. 89J60 Sets 3/8 x 7/8 x 3/8 - 40 ft. 89J61 • • • (Liq. x Suct. OD 3/8 x 7/8 x 3/8 - 50 ft. 89J62 x Insulation 3/8 x 1-1/8 x 3/8 - 30 ft. X0570 Thickness - • • 3/8 x 1-1/8 x 3/8 - 50 ft. 73P91 Length) Unit Stand-Off Kit 94J45 • • • • • NOTE - Extremes of operating range are plus 10% and minus 5% of line voltage. 1 Refrigerant charge sufficient for 15 ft. length of refrigerant lines. For longer line set requirements see the Installation Instructions for information about line set length and additional refrigerant charge required. 2 HACR type circuit breaker or fuse. 3 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements. 4 Crankcase Heater and Freezestat are recommended with Low Ambient Kit. ML17XC1 - 1.5 to 5 Ton Air Conditioner / Page 8 DIMENSIONS - UNIT 4-3/8 4-3/8 INLET AIR (111) (111) 4-3/8 4-3/8 (111)(111) OPTIONAL UNIT INLET INLET STAND-OFF KIT (4) (Field Installed) COMPRESSOR AIR AIR COIL DRAIN OUTLETS (Around perimeter of base) 6-3/8 SUCTION LINE 4-3/8 (162) CONNECTION (111) LIQUID LINE INLET AIR CONNECTION 6-3/8 4-3/8 (162) (111) TOP VIEW TOP VIEW BASE SECTION A A OUTDOOR DISCHARGE AIR COIL FAN COMPRESSOR C B SUCTION AND LIQUID LINE CONNECTION ELECTRICAL INLETS 2-3/4 (70) 2 (51) SIDE VIEW 3/4 (19) OPTIONAL UNIT SIDE VIEW STANDOFF KIT (4) (FIELD INSTALLED) A B C Model inches mm inches mm inches mm 018 28-1/4 718 29-1/4 743 28-1/2 724 024 28-1/4 718 37-1/4 946 36-1/2 927 030 28-1/4 718 29-1/4 743 28-1/2 724 036 28-1/4 718 37-1/4 946 36-1/2 927 041 32-1/4 819 33-1/4 845 32-1/2 927 042 32-1/4 819 33-1/4 845 32-1/2 826 047 32-1/4 819 33-1/4 845 32-1/2 826 048 28-1/4 718 43-1/4 1099 42-1/2 1080 059 32-1/4 819 43-1/4 1099 42-1/2 1080 060 32-1/4 819 43-1/4 1099 42-1/2 1080 ML17XC1 - 1.5 to 5 Ton Air Conditioner / Page 9 FIELD WIRING INSTALLATION CLEARANCES DISCONNECT DISCONNECT SWITCH THERMOSTAT SWITCH See NOTES (Optional) (By Others) (By Others) A B D See See NOTES NOTES C LENNOX LENNOX AIR HEATING UNIT CONDITIONER OR AIR HANDLER CONTROL UNIT See NOTES BOX A - Two Wire Power (not furnished). See Indoor Unit Electrical Data NOTES: B - Two Wire Power (not furnished). See Electrical Data Service clearance of 30 in. (762 mm) must be maintained on C - Four Wire Low Voltage (not furnished). 18 ga. minimum one of the sides adjacent to the control box. D - Five Wire Low Voltage (not furnished). 18 ga. minimum Clearance to one of the other three sides must be 36 in. (914 mm) All wiring must conform to NEC or CEC and local electrical codes. Clearance to one of the remaining two sides may be 12 in. (305 mm) and the final side may be 6 in. (152 mm). A clearance of 24 in. must be maintained between two units. 48 in. (1219 mm) clearance required on top of unit. SOUND DATA Octave Band Sound Power Levels dBA, re 10-12 Watts 1 Sound ² Estimated Sound Pressure Level at Center Frequency - HZ Rating Distance From Unit (dBA at distance in ft.) 1 Model Number 125 250 500 1000 2000 4000 8000 3 5 10 15 50 (dBA) 018 55.5 64.5 69 67.5 65 61 56 73 66 61 55 52 41 024 61.5 64 70 69.5 66 62.5 54.5 75 68 63 57 54 43 030 60 67 72 70.5 67.5 62.5 56 76 69 64 58 55 44 036 58 67.5 72.5 71.5 66.5 62 54.5 76 69 64 58 55 44 041 63 66.5 69 69.5 66.5 61 54 75 68 63 57 54 43 042 59.5 67.5 71.5 70 69 63.5 57.5 76 69 64 58 55 44 047 61 66 72 71 66.5 63 63.5 76 69 64 58 55 44 048 60 70.5 73.5 72.5 70.5 67 60.5 78 71 66 60 57 46 059 63 69.5 73.5 71.5 69.5 64.5 56.5 78 71 66 60 57 46 060 63.5 69.5 75 75 73 68 62.5 80 73 68 62 59 48 NOTE - the octave sound power data does not include tonal correction. 1 Tested according to AHRI Standard 270-2008 test conditions. 2 Estimated sound pressure level at distance based on AHRI Standard 275-2010 method for equipment located on the ground, roof, or on side of building wall with no adjacent reflective surface within 9.8 feet. Sound pressure levels will increase based on changes to assumptions. For other applications, refer to AHRI Standard 275. ML17XC1 - 1.5 to 5 Ton Air Conditioner / Page 10 TXV USAGE TXV SUBSTITUTION Use this table for C35, CH23 and CR33 Field Installed A general guide for replacing the factory installed TXV if TXVMatch-Ups. the indoor unit (coil/air handler) is larger or smaller than the Outdoor Unit Order Number outdoor unit. 018 12J18 Outdoor Unit Indoor Unit TXV TXV Furnished Replacement 024 12J18 Size Tons Size Tons 030 12J18 018 1.5 30/36 2.5/3 12J19 12J18 036 12J19 018 1.5 36 3 12J19 12J18 041 12J20 018 1.5 42 3.5 12J20 12J18 042 12J20 018 1.5 48 4 12J20 12J18 047 12J20 018 1.5 49 4 12J20 12J18 048 12J20 018 1.5 50/60 4/5 12J20 12J18 059 12J20 018 1.5 51/61 4/5 12J20 12J18 060 12J20 018 1.5 60 5 12J20 12J18 CX35 and CHX35 coils and all Lennox air handlers are shipped with a factory installed TXV. In most cases, no change out of the valve is needed. 024 2 42 3.5 12J20 12J18 If a change out is required it will be listed in the “TXV SUBSTITUTIONS†table by size. The correct TXV must be ordered separately and field installed. 024 2 48 4 12J20 12J18 C35 coils - Replace the factory installed RFC orifice with the expansion valve 024 2 49 4 12J20 12J18 listed. CR33 and CH23 coils - Use the expansion valve listed. 024 2 50/60 5 12J20 12J18 024 2 51/61 5 12J20 12J18 024 2 60 5 12J20 12J18 030 2.5 42 3.5 12J20 12J18 030 2.5 43 3.5 12J20 12J18 030 2.5 48 4 12J20 12J18 030 2.5 49 4 12J20 12J18 036 3 24 2 12J18 12J19 AHRI STANDARD 210/240-2023 036 3 30 2.5 12J18 12J19 042 3.5 24 2 12J18 12J20 Standard Ratings relating to cooling or heating capacities shall be net values, including the effects of circulating-fan 042 3.5 30 2.5 12J18 12J20 heat, but not including supplementary electric heat. Power 042 3.5 30/36 3 12J19 12J20 input used for calculating efficiency shall be the Total 042 3.5 36 3 12J19 12J20 Power. Standard Ratings of units which do not have indoor air- 048 4 30/36 2.5/3 12J19 12J20 circulating fans furnished as part of the model, i.e., Coil- 048 4 36 3 12J19 12J20 only System, shall be established by subtracting from the TXV Ranges: total cooling capacity 1,505 Btu/h per 1,000 SCFM, and by adding the same amount to the heating capacity for non- 12J18 - 1.5 to 2.5 ton systems - Use on 2.5 ton (030) and mobile-home, non-Space Constrained units. Total Power lower systems. for both heating and cooling shall be increased by 441 W 12J19 - 3 ton systems - Use down to 2 ton (024) systems. per 1,000 SCFM of indoor air circulated. 12J20 - 3.5 to 5 ton systems - Use down to 3 ton (036) systems. ML17XC1 - 1.5 to 5 Ton Air Conditioner / Page 11 REVISIONS Sections Description of Change Optional Accessories Updated Line Sets available. Removed RFC orifice sizes. Specifications Removed discontinued models. TXV Usage Removed references to RFC orifices. Visit us at www.Lennox.com For the latest technical information, www.LennoxPros.com Contact us at 1-800-9-LENNOX NOTE - Due to Lennox’ ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability. Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury. Installation and service must be performed by a qualified installer and servicing agency. ©2023 Lennox Industries, Inc. 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