Nortek Q7RD Series User Manual

2
Important Safety Information ....................................3
Requirements & Codes ..............................................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
Unconditioned Spaces ...........................................5
Heat Pump Installation ...............................................5
Unpacking the Unit ...................................................5
Installing Return & Supply Air Collars .......................5
Supply Duct ...........................................................6
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 ...............................................7
Pre - Electrical Checklist ...........................................7
Line Voltage ...............................................................7
Overcurrent Protection ..............................................8
Grounding..................................................................8
Thermostat Connections ...........................................8
Defrost Cycle Control ................................................8
Defrost Control Board................................................9
Operational Information..........................................9
Normal Mode .........................................................9
Speed Up Mode (Testing Procedure) .....................9
Electric Heat Package ...............................................9
Blower Speed .........................................................10
Startup & Adjustments ............................................11
Pre - Start Checklist ................................................11
Start - Up Procedure ...............................................11
Air Circulation ....................................................... 11
System Heating .................................................... 11
System Cooling ....................................................11
Short Cycle Protection .........................................11
Emergency Heat ..................................................11
Anti Short Cycle Timer Test .....................................11
Heating Mode ....................................................... 11
Cooling Mode .......................................................11
Adjustment of Refrigerant Charge ........................... 11
Charging the Unit in AC Mode with Outdoor
Temperatures above 65° F ......................................12
Charging the Unit in Heat Mode ..............................12
Safety Switches ....................................................... 12
Unit Maintenance ...................................................... 12
Component Functions ............................................. 12
Figures & Tables ....................................................... 13
Figure 8 - Physical Data & Dimensions ................ 13
Charging Tables - Cooling Mode ............................. 14
Table 3 - 2 Ton Models (024K Series) .................. 14
Table 4 - 2.5 Ton Models (030K Series) ............... 14
Table 5 - 3 Ton Models (036K Series) .................. 15
Table 6 - 3.5 Ton Models (042K Series) ............... 15
Table 7 - 4 Ton Models (048K Series) .................. 16
Table 8 - 5 Ton Models (060K Series) .................. 16
Charging Tables - Heating Mode ............................. 17
Table 9 - 2 Ton Models (024K Series) .................. 17
Table 10 - 2.5 Ton Models (030K Series) ............. 17
Table 11 - 3 Ton Models (036K Series) ................ 18
Table 12 - 3.5 Ton Models (042K Series) ............. 18
Table 13 - 4 Ton Models (048K Series) ................ 19
Table 14 - 5 Ton Models (060K Series) ................ 20
Electrical Diagrams ................................................. 20
Figure 9 - 2, & 2.5 Ton Models ............................. 20
Figure 10 - 3 Ton Models ..................................... 21
Figure 11 - 3.5, 4, & 5 Ton Models ....................... 22
Figure 12 - Typical T-stat Connections ................. 23
Installation / Performance Checklist ....................... 24
TABLE OF CONTENTS

Nortek Q7RD Series Specifications

General

Brand	Nortek
Model	Q7RD Series
Category	Heat Pump
Language	English