Comfort-Aire HEH Series 2 to 5 Tons User Manual
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2
Installation, Operation & Maintenance
HEV/H SERIES
Heat Controller, LLC.
Model Nomenclature ............................................................................................3
Safety Instructions ................................................................................................4
Pre-Installation......................................................................................................5
Physical Data........................................................................................................6
Vertical Unit Dimensions....................................................................................7-8
Vertical Installation................................................................................................9
Water Connection Installation .............................................................................14
Ground-Loop Heat Pump Applications ..........................................................15-16
Ground-Water Heat Pump Applications ..............................................................17
Water Quality Standards ....................................................................................18
Hot Water Generator .....................................................................................19-21
Electrical Data ...............................................................................................22-26
Blower Performance Data .............................................................................27-28
Wiring Diagrams .................................................................................................29
DXM2 Controls ..............................................................................................30-31
Unit Start-Up and Operating Conditions ........................................................32-38
Preventive Maintenance .....................................................................................39
Troubleshooting .............................................................................................40-44
TABLE OF CONTENTS