2
TABLE OF CONTENTS
IMPORTANT SAFETY INFORMATION .....................3
REQUIREMENTS & CODES .....................................4
GENERAL INFORMATION ........................................4
Before You Install this Unit .......................................4
Locating the Heat Pump .......................................... 4
Minimum Clearances ............................................... 4
Service Access Clearance: ..................................4
Clearances to Combustibles: ...............................4
Air Duct System.......................................................5
HEAT PUMP INSTALLATION ...................................5
Unpacking the Unit ..................................................5
Installing Return & Supply Air Collars .....................5
Supply Duct .......................................................... 5
Return Duct .......................................................... 6
Connecting Return & Supply Air Flexible Ducts ......6
Locating & Installing the Return Air Assembly ........6
Locating & Installing the Supply Damper(s) ............6
Condensate Drainage .............................................7
ELECTRICAL CONNECTIONS .................................7
Pre-Electrical Checklist ...........................................7
Line Voltage ............................................................. 7
Overcurrent Protection ............................................7
Grounding................................................................8
Thermostat Connections .........................................8
Defrost Control Board Test Pins ..............................8
Clearing Defrost Board Fault Codes .......................8
Electric Heat Package (optional) .............................8
Outdoor Thermostat Options ................................... 8
HUD Outdoor Thermostat Option .........................8
2nd Stage Thermostat Option ..............................8
Blower Speed ..........................................................8
Ambient Sensor Mounting .......................................9
STARTUP & ADJUSTMENTS ...................................10
Pre-Start Checklist ..................................................10
Start-Up Procedure .................................................10
Air Circulation ....................................................... 10
System Heating .................................................... 10
System Cooling ....................................................10
Short Cycle Protection .........................................10
Emergency Heat ..................................................10
Anti Short Cycle Timer Test .....................................10
Heating Mode ....................................................... 10
Cooling Mode .......................................................10
UNIT MAINTENANCE ................................................11
REFRIGERANT CHARGING .....................................11
Charging the Unit in AC Mode .................................11
Charging the Unit in Heating Mode .........................11
Refrigerant Charging Tables - Cooling ....................12
Table 3. Charging Table for 2 Ton Models .............12
Table 4. Charging Table for 2.5 Ton Models ..........12
Table 5. Charging Table for 3 Ton Models .............13
Table 6. Charging Table for 3.5 Ton Models ..........13
Table 7. Charging Table for 4 Ton Models .............14
Table 8. Charging Table for 5 Ton Models .............14
Refrigerant Charging Tables - Heating ....................15
Table 9. Charging Table for 2 Ton Models .............15
Table 10. Charging Table for 2.5 Ton Models ........15
Table 11. Charging Table for 3 Ton Models ...........15
Table 12. Charging Table for 3.5 Ton Models ........16
Table 13. Charging Table for 4 Ton Models ...........16
Table 14. Charging Table for 5 Ton Models ...........16
FIGURES & TABLES .................................................17
Figure 9. Physical Data & Unit Dimensions .......... 17
Wiring Diagrams ...................................................... 18
Figure 10. W.D. for 2 & 2.5 Ton Models ................18
Figure 11. W.D. for 3, 3.5 & 4 Ton Models ............19
Figure 12. W.D. for 5 Ton Models .......................... 20
INSTALLATION CHECKLIST ....................................24
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