Comfort-Aire WDG Air Handler Series User Manual
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Installation, Operation & Maintenance
WDG AIR HANDLER SERIES
Heat Controller, LLC
Model Nomenclature ............................................................................................3
Pre-Installation......................................................................................................4
Safety ...................................................................................................................5
Physical Data........................................................................................................6
Unit Dimensional Data ..........................................................................................7
Installation .......................................................................................................8-13
Electrical - Thermostat Wiring ............................................................................14
ECM Blower Control ...........................................................................................15
Blower Performance Data ..................................................................................16
Electrical - Power Wiring ....................................................................................17
Electrical Table ...................................................................................................17
Wiring Diagram ...................................................................................................18
Electric Heat Installation .....................................................................................19
Electric Heat Wiring .......................................................................................20-21
Electric Heat Staging Options.............................................................................21
Unit & System Checkout.....................................................................................22
Maintenance .......................................................................................................22
Table of Contents