Nortek Q104SD Series - Table of Contents

2
INSTALLER INFORMATION
USER INFORMATION
IMPORTANT SAFETY INFORMATION .................... 5
GENERAL INFORMATION ....................................... 6
Before you install this unit ......................................6
Locating the Heat Pump ......................................... 6
Field Connections for Electrical Power Supply .......6
Air Ducts ................................................................. 6
Unconditioned Spaces ........................................6
Acoustical Duct Work ..........................................6
Air Filter Requirements...........................................7
HEAT PUMP INSTALLATION ..................................7
Packaging Removal ................................................7
Rigging & Hoisting .................................................. 7
Minimum Clearances ..............................................7
Ground Level ..........................................................7
Rooftop ................................................................... 8
Horizontal to Downflow Conversion ........................8
Condensate Drain ..................................................8
ELECTRICAL WIRING .............................................8
Pre-Electrical Checklist:..........................................8
Line Voltage ............................................................8
Grounding...............................................................9
Blower Speed .........................................................9
Safety Protection ....................................................9
Thermostat Connections ........................................9
Ambient Sensor Mounting ......................................10
Defrost Board Operation ........................................10
Forced Defrost When the Following Conditions
are Met ...................................................................10
Optional Outdoor Thermostat .................................10
Optional Electric Heater Kits ..................................10
START UP & ADJUSTMENTS .................................11
Pre-Start Check List ...............................................11
Start-Up Procedure ................................................11
Air Circulation ...................................................... 11
Short Cycle Protection ........................................11
System Cooling ...................................................11
System Heating - Heat Pump Mode ...................11
System Heating - Electric Heat Mode .................11
REFRIGERANT CHARGING ....................................11
Charging an R-410A Unit in AC Mode ...................12
Charging an R-410A Unit in Heating Mode ............12
Verification of charge in Heat Mode ....................12
HEAT PUMP MAINTENANCE ..................................12
FIGURES & TABLES ................................................ 13
Figure 7. Q104SD Heat pump Dimensions .........13
Table 2. Center of Gravity & Unit Shipping
Weights ..................................................13
Electrical Information .............................................. 14
Figure 8. Typical Heat Pump Thermostat
Connections 208V/230V ......................14
Figure 9. Wiring Diagram for 208/230V Units ......15
Charging Charts - Cooling ......................................16
Figure 10. Charging Chart for 2 Ton Units ........... 16
Figure 11. Charging Chart for 2.5 Ton Units ........ 16
Figure 12. Charging Chart for 3 Ton Units ........... 17
Figure 13. Charging Chart for 3.5 Ton Units ........ 17
Figure 14. Charging Chart for 4 Ton Units ........... 18
Figure 15. Charging Chart for 5 Ton Units ........... 18
Airflow Data ............................................................19
Table 3. Q104SD Airflow Data .............................19
Table 4. Control Board Status Indicators .............19
INSTALLATION CHECKLIST ................................... 20
REPLACEMENT PARTS ..........................................20
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
Operating the Indoor Blower Continuously ............. 4
Shutting the Heat Pump Off ...................................4
HEAT PUMP MAINTENANCE ..................................4
Regular Cleaning....................................................4
TROUBLESHOOTING ..............................................4
WARRANTY INFORMATION ...................................4