Reznor Q6SD (3ph) Unit Installation Manual - Manual (Page 3)

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IMPORTANT SAFETY INFORMATION .......................6
GENERAL INFORMATION ..........................................7
Before You Install this Unit .........................................7
Locating the Heat Pump ............................................7
Field Connections for Electrical Power
Supply
.......................................................................7
Air Ducts ...................................................................7
Unconditioned
Spaces ...........................................7
Acoustical Duct Work .............................................7
Air Filter Requirements .............................................8
HEAT PUMP INSTALLATION ......................................8
Packaging
Removal ...................................................8
Rigging & Hoisting .....................................................8
Minimum Clearance Requirements ...........................8
Ground
Level .............................................................8
Rooftop ......................................................................9
Removal of Internal Filter Rack .................................9
Installing Filters in the Filter Rack .............................9
Removing Filters from the Filter Rack .......................9
Horizontal to Downfl ow Conversion ...........................9
Condensate Drain ....................................................9
ELECTRICAL WIRING ...............................................10
Pre - Electrical Checklist .........................................10
Line
Voltage .............................................................10
Unbalanced 3-Phase Supply Voltage ......................11
Grounding................................................................11
Blower
Speed ..........................................................11
Defrost Cycle Timer .................................................11
Defrost Control Board - 624556 ..............................12
Operational
Information........................................12
Normal Defrost Procedure ...................................12
Defrost Test Procedure ........................................12
Optional Outdoor Thermostat ..................................12
Optional Electric Heater Kits ...................................12
Thermostat
Connections .........................................12
STARTUP & ADJUSTMENTS ................................... 13
Pre - Start Checklist ................................................ 13
Start-up
Procedure .................................................. 13
Air Circulation ....................................................... 13
Short Cycle Protection ......................................... 13
System Cooling .................................................... 13
System Heating .................................................... 13
Refrigerant Charging ............................................... 13
Charging an R-410A Unit in AC Mode .................... 14
Charging an R-410A Unit in Heating Mode ............. 14
HEAT PUMP MAINTENANCE ................................... 14
REPLACEMENT PARTS ............................................ 14
FIGURES & TABLES ................................................. 15
Figure 7. Q6SD Heat Pump Dimensions.............. 15
Table 4. Center of Gravity & Shipping Weights ..... 15
Electrical Information ............................................... 16
Figure 8. T-Stat Connections 208/230V ................ 16
Figure 9. T-Stat Connections 460V ....................... 17
Figure 10. Wiring Diagram - 208/230V ................. 18
Figure 11. Wiring Diagram - 460V ........................ 19
Cooling Charging Charts ......................................... 20
Figure 12. Charging Chart for 3 Ton Units ............ 20
Figure 13. Charging Chart for 4 Ton Units ............ 20
Figure 14. Charging Chart for 5 Ton Units ............ 21
Q6SD Series Airfl ow Data ....................................... 21
Table 5. Blower Curves ........................................ 21
USER INFORMATION
INSTALLER INFORMATION
IMPORTANT SAFETY INFORMATION .......................4
ABOUT THE HEAT PUMP ...........................................4
OPERATING INSTRUCTIONS .....................................4
Cooling
Operation .....................................................4
Heating Operation .....................................................4
Emergency Heat........................................................4
Defrost Operation ......................................................4
Operating the Heat Pump for Automatic
Cooling and Heating ..................................................5
Operating Indoor Blower Continuously ......................5
Shutting the Heat Pump Off ......................................5
HEAT PUMP MAINTENANCE .....................................5
Regular
Cleaning.......................................................5
Before You Call a Technician .....................................5
TROUBLESHOOTING .................................................5
WARRANTY INFORMATION .......................................5