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TABLE OF CONTENTS
PREPARATION ....................................................................................................................................................3
Slab Mounting ..................................................................................................................................................3
Roof Mounting ..................................................................................................................................................3
ELECTRICAL CONNECTIONS ...........................................................................................................................3
Electrical Power Wiring ....................................................................................................................................3
Control Circuit Wiring .......................................................................................................................................4
iQ Zone Control Wiring ....................................................................................................................................4
Recheck Wiring ................................................................................................................................................4
REFRIGERANT LINE CONNECTIONS ...............................................................................................................4
Line Design and Routing ..................................................................................................................................4
Brazing .............................................................................................................................................................5
System Evacuation ..........................................................................................................................................5
Refrigerant Charging ........................................................................................................................................5
Alternate Procedure for Charging a Heat Pump in Cooling Mode ...................................................................6
Alternate Procedure for Charging a Heat Pump in Heating Mode ...................................................................6
SYSTEM SETUP USING THE IQ CONTROLLER ...............................................................................................6
General ............................................................................................................................................................6
Screen Navigation ............................................................................................................................................6
The Main Screen ..............................................................................................................................................6
Installer Settings ..............................................................................................................................................7
System Confi guration ..................................................................................................................................7
Accessories .................................................................................................................................................8
Defrost Confi guration ..................................................................................................................................8
Dealer Information .......................................................................................................................................8
Heat Off Delay .............................................................................................................................................9
Altitude Adjust .............................................................................................................................................9
Service Tests ...............................................................................................................................................9
SERVICE INFORMATION Screens ................................................................................................................... 10
Other Confi guration Entries ........................................................................................................................... 11
Minimum Heat Pump Operating Temp ...................................................................................................... 11
Auto Changeover Time .............................................................................................................................. 12
Date and Time ........................................................................................................................................... 12
Program Schedule vs. Nonprogrammable ................................................................................................. 12
Dehumidifi cation ........................................................................................................................................ 12
Humidity Settings ...................................................................................................................................... 12
Smart Recovery ........................................................................................................................................ 13
Zone Control .............................................................................................................................................. 13
System Operation: Quick Start....................................................................................................................... 14
System Startup, Checkout, & Troubleshooting ............................................................................................... 15
SYSTEM DIAGNOSIS & TROUBLESHOOTING ............................................................................................... 16
Controller ....................................................................................................................................................... 16
Outdoor Unit Inverter ..................................................................................................................................... 16
Outdoor Unit Interface Board (right side small circuit board) ......................................................................... 16
Outdoor Unit EXV Board (left side small circuit board) .................................................................................. 17
Indoor Unit Interface Board (in G6 iQ furnace kit or air handler) ................................................................... 17
Indoor Unit EXV Board ................................................................................................................................... 17
Indoor Unit Constant CFM Motor Control Board ............................................................................................ 17
Indoor Unit One or Two-Stage G7 Furnace Board ......................................................................................... 17
Indoor Unit iQ Modulating Gas Furnace Board .............................................................................................. 17
Airzone Control Board .................................................................................................................................... 17
iQ Zone System Confi guration ....................................................................................................................... 18
Common Troubleshooting Issues ................................................................................................................... 18
MAINTENANCE ................................................................................................................................................. 19
FIGURES & DIAGRAMS .................................................................................................................................... 19