Nordyne Q5RD Series, User'S Manual & Installation Instructions

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2
Important Safety Information ...................... 4
General Information ..................................... 4
Before You Install this Unit .......................... 4
Locating the Heat pump ............................ 4
Minimum Clearances ................................. 5
Service Access Clearance ...................... 5
Clearances to Combustibles ................... 5
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
Dampers ..................................................... 7
Condensate Drainage ................................. 7
Electrical Connections ................................. 8
Pre - Electrical Checklist............................. 8
Line
Voltage ................................................ 8
Overcurrent Protection ............................... 9
Blower Speed ............................................ 9
2 - Speed Outdoor Fan Motor .................. 9
Defrost Cycle Control ................................. 9
Ambient Sensor Mounting
10
Thermostat Connections ..........................10
Electric Heat Package ..............................11
Grounding
.................................................11
Startup & Adjustments...............................11
Pre - Start Checklist .................................11
Start - Up Procedure ................................11
Air
Circulation ........................................11
System Heating .....................................11
System Cooling ......................................11
Short Cycle Protection ...........................12
Emergency Heat ....................................12
Defrost Test Procedure .............................12
Anti Short Cycle Timer Test ......................12
Heating
Mode ........................................12
Cooling Mode .........................................12
Adjustment of Refrigerant Charge ............12
Charging an R-410A Unit in AC Mode
with Outdoor Temp above 65° F ...............12
Charging R-410A Unit in Heat Mode .......13
Component Functions ...............................13
Low Pressure Switch ................................13
High Pressure Switch ...............................13
Unit Maintenance ........................................13
Figures & Tables .........................................13
Figure 9. - Unit Dimensions ....................13
Table 4. - Q5RD Physical Data ...............13
Charging Tables - Cooling Mode ..............14
Table 5. - Q5RD-X24K (2 Ton Units) .......14
Table 6. - Q5RD-X30K (2.5 Ton Units) ....14
Table 7. - Q5RD-X36K (3 Ton Units) .......15
Table 8. - Q5RD-X42K (3.5 Ton Units) ....15
Table 9. - Q5RD-X48K (4 Ton Units) .......16
Table 10. - Q5RD-X60K (5 Ton Units) .....16
Charging Tables - Heating Mode ..............17
Table 11. - Q5RD-X24K (2 Ton Units) .....17
Table 12. - Q5RD-X30K (2.5 Ton Units) ..17
Table 13. - Q5RD-X36K (3 Ton Units) .....18
Table 14. - Q5RD-X42K (3.5 Ton Units) ..18
Table 15. - Q5RD-X48K (4 Ton Units) .....19
Table 16. - Q5RD-X60K (5 Ton Units) .....19
Wiring Diagrams .......................................20
Figure 10. - 2 & 2.5 Ton Units .................20
Figure 11. - 3,4, & 5 Ton Units ................21
Figure 12. - Thermostat Connections .....22
Installation / Performance Checklist .........24
USER INFORMATION
INSTALLER INFORMATION
About the Heat Pump ................................... 3
Operating Instructions ................................ 3
Cooling Operation .................................... 3
Heating Operation .................................... 3
Emergency Heat ...................................... 3
Defrost ..................................................... 3
System Shutdown .................................... 3
IMPORTANT SAFETY INFORMATION
Safety markings are used frequently throughout
this manual to designate a degree or level
of seriousness and should not be ignored.
WARNING indicates a potentially hazardous
situation that if not avoided, could result in
personal injury or death.
CAUTION indicates
a potentially hazardous situation that if not
avoided, may result in minor or moderate injury
or property damage.