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This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to
the potential for personal injury or death.
Installation and servicing of air conditioning equipment
can be hazardous due to internal refrigerant pressure
and live electrical components. Only trained and
qualified service personnel should install or service
this equipment. Installation and service performed by
unqualified persons can result in property damage,
personal injury, or death.
ELECTRICAL SHOCK HAZARD!
Risk of electrical shock. Disconnect all
remote power supplies before installing
or servicing any portion of the system.
Failure to disconnect power supplies
can result in property damage, personal
injury, or death.
Sharp metal edges can cause injury. When installing
the unit, use care to avoid sharp edges.
Manufactured By
Allied Air Enterprises LLC
A Lennox International, Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
507563-01
INSTALLATION INSTRUCTIONS
4SHP20LX UNITS
(R410A Refrigerant)
This manual must be left with the homeowner for future reference.
WARNING
WARNING
WARNING
Save these instructions for future reference
Table of Contents
General ........................................................................1
Installation ...................................................................2
Refrigerant Piping ........................................................4
Electrical Wiring .........................................................12
Start-Up .....................................................................15
Maintenance ..............................................................16
Homeowner Information ............................................16
These units are designed for use in residential and light
commercial type buildings. Units should be installed with
approved indoor matches listed in the Air-Conditioning,
Heating and Refrigeration Institute (AHRI) Directory of
Certified Products. Refer to http://www.ahridirectory.org.
Before installation, inspect the unit for shipping damage.
This unit is a variable speed system and can only be
installed with "Comfort Sync" Wi-Fi thermostat and
"Comfort Sync" enabled air handler or furnace.
General
Read this entire instruction manual, as well as the
instructions supplied in separate equipment, before
starting the installation. Observe and follow all warnings,
cautions, instructional labels, and tags. Failure to comply
with these instructions could result in an unsafe condition
and/or premature component failure.
*P507563-01*
Issue 1946
(P) 507563-01
Page 1 of 19
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Summary of Contents for Allied 4SHP20LX
-
Page 1: Table Of Contents
Manufactured By *P507563-01* Allied Air Enterprises LLC A Lennox International, Inc. Company 215 Metropolitan Drive (P) 507563-01 West Columbia, SC 29170... -
Page 2: Installation
These instructions are intended as a general guide only Always wear proper personal protection equipment. for use by qualified personnel and do not supersede any Always disconnect electrical power before removing national or local codes in any way. The installation must panel or servicing equipment. - Page 3 should NOT be in contact with or be an integral part of the building foundation. See Figure 1. If conditions or local codes require the unit be attached to pad or mounting frame, tie down bolts should be used and secured to unit base pan.
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Page 4: Refrigerant Piping
Indoor Coil TXV Selection Be extra careful with sharp bends. Tubing can “kink” very easily, and if this occurs, the entire tube length will have The outdoor section must be matched to a factory approved to be replaced. Extra care at this time will eliminate future indoor section. - Page 5 Flushing Line Sets CYLINDER CONTAINING GAUGE If the unit will be installed in an existing system that uses CLEAN R-410A TO BE MANIFOLD USED FOR FLUSHING an indoor unit or line sets charged with R-22 refrigerant, (Positioned to deliver liquid installer must perform the following flushing procedure.
- Page 6 Refrigerant Piping - Install Indoor Expansion Valve This outdoor unit is designed for use in systems that include a heat pump expansion valve metering device (purchased separately) at the indoor coil. See the Product Specifications for approved expansion valve kit match-ups and application information.
- Page 7 Refrigerant Piping - Brazing Procedures CAP AND CORE REMOVAL CUT AND DEBUR Cut ends of the refrigerant lines square (free from nicks or dents) Remove service cap and core from and debur the ends. The pipe must remain round. Do not crimp end both the vapor and liquid line service of the line.
- Page 8 WRAP SERVICE VALVES To help protect service valve seals during brazing, wrap water-saturated cloths around service valve bodies and copper tube stubs. Use additional water-saturated cloths underneath the valve body to protect the base paint. FLOW NITROGEN Flow regulated nitrogen (at 1 to 2 psig) through the refrigeration gauge set into the valve stem port connection on the liquid service valve and out of the vapor valve stem port.
- Page 9 Leak Test and Evacuation LEAK TEST HIGH MANIFOLD GAUGE SET OUTDOOR UNIT TO VAPOR SERVICE VALVE NOTE - Position canister to deliver liquid refrigerant. NITROGEN HFC-410A CONNECT GAUGE SET A - Connect the high pressure hose of an HFC-410A manifold gauge set to the vapor valve service port. NOTE - Normally, the high pressure hose is connected to the liquid line port.
- Page 10 EVACUATION HIGH CONNECT GAUGE SET NOTE - Remove cores from service valves (if not already done). A - Connect low side of manifold gauge set with 1/4 SAE in-line tee to vapor line service valve B - Connect high side of manifold gauge set to OUTDOOR MANIFOLD liquid line service valve...
- Page 11 Liquid and Suction Line Service Valves The liquid line and suction line service valves (see Figure 4) and service ports are used for leak testing, evacuation, charging, and checking charge. Each valve is equipped with a service port which has a factory-installed Schrader valve.
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Page 12: Electrical Wiring
Ensure the room thermostat is properly installed per Electrical Wiring instructions shipped with room thermostat. Generally the thermostat should not be exposed to sunlight, drafts or vibration and should not be mounted on exterior walls. WARNING WARNING Electrical Shock Hazard! Turn OFF electric power before connecting Low voltage wiring must be separated from high voltage unit, performing any maintenance or... - Page 13 OUTDOOR UNIT CONNECT CONDUIT TO CUTOUT AND ROUTE HIGH VOLTAGE WIRING CONNECTS TO RAST 6-PIN CONNECTOR GROMMET AND PROVIDED RAST CABLE TIE. 6-PIN CONNECTOR ROUTE CONTROL INDOOR CONTROL WIRING THROUGH USE WATERTIGHT GROMMET AND CONDUIT FOR HIGH SECURE WITH VOLTAGE CABLE TIE Indoor Control Thermostat...
- Page 14 7-SEGMENT DISPLAY PUSH BUTTON Figure 7. Control Board Page 14 of 19 Issue 1946 507563-01...
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Page 15: Start-Up
Oz. Per 5 ft. adjust from 15 Start-Up Liquid Line Set Diameter ft. line set* 3 oz. per 5 ft. 3/8 in. or 0.6 oz. per 1 ft. CAUTION * If line length is greater than 15 ft., add this amount. If line If unit is equipped with a crankcase heater, it should length is less than 15 ft., remove this amount. -
Page 16: Maintenance
Maintenance Condenser Coils Regular Maintenance Requirements Grass cuttings, leaves, dirt, dust, lint from clothes dryers, Your system should be regularly inspected by a qualified and foliage from trees can be drawn into coils by movement service technician. These regular visits may include of the air. - Page 17 • During the defrost cycle, you may notice steam rising Indicating Light from the outdoor unit. This is a normal occurrence. Most heat pump thermostats have an amber light The thermostat may engage auxiliary heat during the which indicates when the heat pump is operating in the defrost cycle to satisfy a heating demand;...
- Page 18 BLACK BLUE WHITE WHITE BLUE BLACK YELLOW BLACK GRAY GRAY/RED INDOOR UNIT i COMFORT THERMOSTAT Figure 8. A/C Single Phase Wiring Diagram - 24 & 36 Models Page 18 of 19 Issue 1946 507563-01...
- Page 19 Figure 9. A/C Single Phase Wiring Diagram - 48 & 60 Models 507563-01 Issue 1946 Page 19 of 19...
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