2
TABLE OF CONTENTS
IMPORTANT SAFETY INFORMATION .....................3
REQUIREMENTS & CODES .....................................4
GENERAL INFORMATION ........................................4
Air Duct System.......................................................5
HEAT PUMP INSTALLATION ...................................5
Supply Duct ..........................................................5
Return Duct ..........................................................6
ELECTRICAL CONNECTIONS .................................7
Pre-Electrical Checklist ...........................................7
Line Voltage .............................................................7
Overcurrent Protection ............................................8
Grounding................................................................8
Thermostat / Low Voltage Connections ...................8
Defrost Control Board Test Pins ..............................8
Clearing Defrost Board Fault Codes .......................8
Electric Heat Package (optional) .............................8
Outdoor Thermostat Options ...................................8
Blower Speed ..........................................................8
Ambient Sensor Mounting .......................................9
STARTUP & ADJUSTMENTS ...................................10
Forced Defrost Mode (Field Test) ............................10
Anti Short Cycle Timer Test .....................................11
COMPONENT FUNCTIONS ......................................11
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
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