2
important Safety information ....................................5
general information ...................................................6
Pre - Installation Check .............................................6
Locating the Heat Pump Unit ....................................6
Field Connections for Electrical Power
Supply .......................................................................6
Air Ducts ...................................................................6
Unconditioned Spaces ...........................................6
Acoustical Duct Work .............................................6
Air Filter Requirements .............................................7
Condensate Drain ....................................................7
Heat Pump installation ...............................................7
Packaging Removal ...................................................7
Rigging and Hoisting .................................................7
Minimum Clearance Requirements ...........................7
Horizontal to Downflow Conversion ...........................7
Ground Level .............................................................8
Rooftop ......................................................................8
electrical wiring ..........................................................8
Pre - Electrical Checklist ...........................................8
Wiring Diagram / Schematic ......................................8
Line Voltage ...............................................................8
Grounding..................................................................9
Selecting Proper Airflow for Variable Speed Units .....9
Selecting Basic Cool/Heat Pump Airflow ...............9
Selecting Minimum Electric Heat Airflow ................9
Selecting the Delay Profile .....................................9
Demand Defrost Control..........................................11
Optional Comfort Alert
TM
Diagnostics Module .........11
24VAC Power Wiring ............................................11
Thermostat Demand Wiring .................................11
L Terminal Wiring .................................................11
DC SOL Connection ............................................12
Interpreting the Diagnostic LED’s .........................12
LED Description ...................................................12
Installation Verification ......................................... 12
Troubleshooting the Installation ............................ 12
Optional Humidistat ................................................. 13
Optional Electric Heater Kits ................................... 13
Optional Outdoor Thermostat .................................. 13
Ambient Sensor Mounting ....................................... 13
Thermostat Connections ......................................... 14
Startup & adjustments ............................................ 14
Pre - Start Checklist ................................................ 14
Start-up Procedure .................................................. 14
Air Circulation ....................................................... 14
Short Cycle Protection ......................................... 14
System Cooling .................................................... 14
System Heating .................................................... 15
Refrigerant Charging ............................................... 15
Charging an R-410A Unit in AC Mode .................... 15
Charging an R-410A Unit in Heating Mode ............. 15
Heat Pump maintenance .......................................... 15
Figures & Tables ....................................................... 16
Figure 9. Q4SE Heat Pump Dimensions .............. 16
Table 7. Center of Gravity & Shipping Weights ..... 16
Electrical Information ............................................... 17
Figure 10. Heat Pump T-Stat Connections ........... 17
Figure 11. Wiring Diagram for Two-Stage Cool &
Two-Stage Heat ................................... 18
Figure 12. Wiring Diagram for Two-Stage Cool &
Two-Stage Heat w/ Comfort Alert ........ 19
Cooling Charging Charts ......................................... 20
Figure 13. Charging Chart for 2 Ton Units ............ 20
Figure 14. Charging Chart for 3 Ton Units ............ 20
Figure 15. Charging Chart for 4 Ton Units ............ 21
Figure 16. Charging Chart for 5 Ton Units ............ 21
Troubleshooting ....................................................... 22
Table 8. LED Diagnostics ..................................... 22
Table 9. Module Wiring Troubleshooting ............... 24
uSeR inFoRmaTion
inSTalleR inFoRmaTion
important Safety information ....................................3
about the Heat Pump .................................................3
operating instructions ...............................................3
Cooling Operation .....................................................3
Heating Operation .....................................................3
Emergency Heat........................................................3
Defrost Operation ......................................................3
Operating the Heat Pump for Automatic
Cooling and Heating ..................................................4
Oper. the Indoor Blower Continuously .......................4
Shutting the Heat Pump Off ......................................4
System maintenance ..................................................4
Regular Cleaning.......................................................4
Before You Call a Technician .....................................4
Troubleshooting ..........................................................4
warranty information .................................................4
