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INSTALLATION INSTRUCTIONS
Split System Air Conditioner & Heat Pump
RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION
WARNING
These instructions are intended as an aid to qualified
licensed service personnel for proper installation, adjust-
ment and operation of this unit. Read these instructions
thoroughly before attempting installation or operation.
Failure to follow these instructions may result in improper
installation, adjustment, service or maintenance possibly
resulting in fire, electrical shock, property damage,
personal injury or death.
Please read carefully and keep in a safe place for future reference by a serviceman.
14 SEER
14 SEER
1.5-5 Tons
R410A
NOTE: Appearance of unit may vary.
DO NOT DESTROY THIS MANUAL
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Table of Contents
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- Page 1 INSTALLATION INSTRUCTIONS 14 SEER 14 SEER Split System Air Conditioner & Heat Pump 1.5-5 Tons R410A NOTE: Appearance of unit may vary. RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION WARNING These instructions are intended as an aid to qualified licensed service personnel for proper installation, adjust- ment and operation of this unit.
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Page 2: Table Of Contents
TABLE OF CONTENTS 1. KEY TO SYMBOLS AND SAFETY INSTRUCTIONS..........1 2. UNIT LOCATION CONSIDERATIONS..............2 3. UNIT PREPARATION..................3 4. SETTING UP THE UNIT..................3 5. REFRIGERANT LINE CONSIDERATIONS............4 6. REFRIGERANT LINE ROUTING................5 7. REFRIGERANT LINE BRAZING................7 8. REFRIGERANT LINE LEAK CHECK..............8 9. EVACUATION......................8 10. -
Page 3: Key To Symbols And Safety Instructions
All phases of this installation must comply with NATIONAL, STATE, AND WARNING: HAZARDOUS VOLTAGE LOCAL CODES. Failure to follow this warning could result in property damage, severe personal injury or death. 1. Key to symbols and safety instructions Disconnect all electric power, including remote disconnects before servicing. -
Page 4: Unit Location Considerations
WARNING: HIGH CURRENT LEAKAGE Position unit where water, snow or ice from roof or overhang cannot fall directly on unit. Failure to follow this warning could result in property damage, severe personal injury or death. Grounding is essential before Position the outdoor unit a minimum of 12’’ from any wall or surrounding connecting electrical supply. -
Page 5: Unit Preparation
The pad must be high enough above grade to allow for drainage. The pad location must comply with National, State and Local codes. Min. 12" Snow barrier Snow legs These instructions are intended to provide a method to tie-down system to concrete slab as a securing procedure for high wind areas. -
Page 6: Refrigerant Line Considerations
5. Refrigerant line considerations Total suction line length(Feet) Suction line Model (Inches) Coefficient 5.1 Service valve connection sizes 1.00 0.97 0.94 0.90 1.00 0.98 0.95 0.92 Suction line Liquid line Model 1.00 0.97 0.94 0.90 connection connection 1.00 0.98 0.95 0.92 1.00 0.97... -
Page 7: Refrigerant Line Routing
Figure 11 6. Refrigerant line routing 6.1 Precautions Figure 10 Take precautions to prevent noise within the building structure due to vibration transmission from the refrigerant lines. For 5.5 Reuse existing refrigerant lines example: When the refrigerant lines have to be fastened to floor joists or CAUTION: other framing in a structure, use isolation type hangers. - Page 8 8 Feet Maximum Wall Isolator Line Set 8 Feet Maximum Side View Secure Suc tion Line using isolators every 8 feet . Secure Liqu id Line directly to Suc tion Line using tape, wire, or other approp riate method every 8 feet. Isolation In Wall Spaces Figure 13 Wall...
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Page 9: Refrigerant Line Brazing
Wrap a wet rag around the valve body to avoid heat damage and 7. Refrigerant line brazing continue the dry nitrogen purge (Figure 19). 7.1 Braze the refrigerant lines Braze the refrigerant lines to the service valves. Remove caps or plugs. Use a deburing tool to debur the pipe ends. Check liquid line filter drier’s directional flow arrow to confirm correct Clean both internal and external surfaces of the tubing using an emery direction of refrigeration flow (away from outdoor unit and toward... -
Page 10: Refrigerant Line Leak Check
Evacuate until the micron gauge reads no higher than 350 microns, 8. Refrigerant line leak check then close off the valve to the vacuum pump. 8.1 Check for leaks Pressurize the refrigerant lines and evaporator coil to 150 PSIG using 0350 dry nitrogen. -
Page 11: Electrical - Low Voltage
11. Electrical - low voltage 5/16” Hex Wrench for Sucti on Service Valve 11.1 Low Voltage Maximum Wire Length Table 6 defines the maximum total length of low voltage wiring from 3/16” Hex Wrench the outdoor unit to the indoor unit and to the thermostat. Unit S ide for Liqu id Service Valve of Service... -
Page 12: Electrical - High Voltage
Support 2H thermostat Support 3H thermostat THERMOSTAT THERMOSTAT w1 w2 w1 w2 OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT INDOOR UNIT Control Wiring for H/P Systems Figure 28 Notes: “-----”The electric auxiliary heat connection(option). W:Electric auxiliary heat signal. W1 :The first Electric auxiliary heat signal. W2 :The second Electric auxiliary heat signal. -
Page 13: Start Up
Wait one (1) hour before starting the unit if compressor crankcase heater is used and the outdoor ambient temperature is below 70 ºF. 60 MIN. Figure 34 Set system thermostat to ON. Figure 31 Inside Set To Following Schedule EM HEAT 13. - Page 14 Sealed-System Repairs — Calculating total system charge. Ensure Sections 7, 8, 9, 10,11,12 and 13 have been completed. Total Line Length (ft) Stabilize the system by operating for a minimum of 20 minutes. Standard Line set (ft) (a) minus (b) Refrigerant Multiplier Refrigerant Adder (c*d) (e*)
- Page 15 REFRIGERANT CHARGING CHART FOR AC SYSTEM 14 SEER R410A AC Charge Chart 1.5 TON Cooling Outdoor Ambient Temperature(℉) Mode Liquid Pressure at Small Service Valve(psig) 14 SEER R410A AC Charge Chart 2 TON Cooling Outdoor Ambient Temperature(℉) Mode Liquid Pressure at Small Service Valve(psig) 14 SEER R410A AC Charge Chart 2.5 TON Outdoor Ambient Temperature(℉) Cooling...
- Page 16 14 SEER R410A AC Charge Chart 3.5 TON Outdoor Ambient Temperature(℉) Cooling Mode Liquid Pressure at Small Service Valve(psig) 14 SEER R410A AC Charge Chart 4 TON Cooling Outdoor Ambient Temperature(℉) Mode Liquid Pressure at Small Service Valve(psig) 14 SEER R410A AC Charge Chart 5 TON Outdoor Ambient Temperature(℉) Cooling Mode...
- Page 17 14SEER R410A HP Charge Chart 2 TON(Cooling mode) Outdoor Ambient Temperature( Cooling ℉ Mode Liquid Pressure at Small Service Valve(psig) 14SEER R410A HP Charge Chart 2.5 TON(Cooling mode) Outdoor Ambient Temperature( Cooling ℉ Mode Liquid Pressure at Small Service Valve(psig) 14SEER R410A HP Charge Chart 3 TON(Cooling mode) Outdoor Ambient Temperature( Cooling...
- Page 18 14SEER R410A HP Charge Chart 4 TON(Cooling mode) Outdoor Ambient Temperature( Cooling ℉ Mode Liquid Pressure at Small Service Valve(psig) 14SEER R410A HP Charge Chart 5 TON(Cooling mode) Outdoor Ambient Temperature( Cooling ℉ Mode Liquid Pressure at Small Service Valve(psig) Adjust refrigerant level to attain proper gage pressure.
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Page 19: System Operation And Troubleshooting
15. System operation and troubleshooting 15.5 Defrost mode (Heat pump only) 15.1 Compressor crankcase heater (CCH) Manual defrost mode When the switch SW3-1 is set to “ON”, the system turns to the (Heat pump only) defrost mode. The defrost mode exits by the logic of shut-down The crankcase heating start must meet two conditions: conditions of defrost mode. - Page 20 15.6 Temperature sensor resistance table °F °F °F °F Temperature Resistance kΩ Temperature Resistance kΩ Temperature Resistance kΩ Temperature Resistance kΩ 106.73 29.87 10.00 3.69 103.25 29.22 9.50 3.61 99.89 28.19 9.26 3.53 96.65 27.39 9.03 3.45 93.53 26.61 8.81 3.38 90.53 25.85...
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Page 21: Warranty
15.8 Troubleshooting table SYSTEM FAULTS REFRIGERANT CIRCUIT Head Pressure Too High Head Pressure Too Low Suction Pressure Too High Suction Pressure Too Low Liquid Refrig. Floodback (TXV) I.D. Coil Frosting Compressor Runs Inadequate or No Cooling/Heating ELECTRICAL Compressor & O.D. Fan Won’t Start Compressor Will Not Start But O.D. -
Page 22: Wiring Diagrams
STEP 4 - Remove fan motor by removing 5/16” nuts from cover. STEP 5 - Remove fan blade from motor by removing 1/2” nut and Damage will occur to condenser unit if you remove 5/16’’ nuts place fan on the ground. prior to cover removal. - Page 23 17.2 For HP MANUAL DEFROST AUTOMATIC DEFROST RESERVED NORMAL DEFROST DEFROSTING CYCLE:30MIN DEFROSTING CYCLE:60MIN Figure 45...
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Page 24: Matching Table And Checkout Procedures
18. Matching table and Checkout Procedures 18.1 Matching table Piston Size / TXV If Preinstalled Piston Condensing Unit Air Handle / A-Coil SEER Valve Model Replace Required J4AH4P18A1A00AA 0.052/(4AYTXVH3G2436A) J4AH4E24A1A00AA 0.052/(4AYTXVH3G2436A) J4AC4018A1000AA J4GXCA001AC6HUA 0.052/(4AYTXVH3G2436A) J4MXCA001AC6HCA 0.052/(4AYTXVH3G2436A) J4AH4P24A1B00AA 0.058/(4AYTXVH3G2436A) J4AH4E24A1A00AA 0.058/(4AYTXVH3G2436A) J4AC4024A1000AA J4GXCA001AC6HUA 0.058/(4AYTXVH3G2436A) J4MXCA001AC6HCA 0.058/(4AYTXVH3G2436A)