Comfort-Aire HBH Series 6-10 Tons - Manual (Page 2)

IOM Manual HBH SERIES Heat Controller, Inc.
1
Table of Contents
Model Nomenclature ....................................2
Storage...........................................................3
Pre-Installation ..............................................3
Physical Data .................................................5
Horizontal Installation ...................................6
Field Conversion of Air Discharge ................8
Horizontal Installation-Condensate Piping .....10
Duct System Installation .............................10
Piping Installation ...................................... 11
Water-Loop Applications ............................ 12
Ground-Loop Applications ......................... 13
Open Loop-Ground Water Systems ........... 15
Water Quality Standards .............................17
Electrical-Line Voltage ................................ 18
Power Wiring ............................................... 20
Electrical-Low Voltage Wiring......................21
Low Water Temperature Cutout Selection .21 Water Valve Wiring ......................................21
Thermostat Wiring ...................................... 22
Typical Wiring Diagrams ............................. 23
CXM Controls ...............................................24
Safety Features .......................................... 25
Blower Adjustment ......................................27
Tensioning V-Belt Drives ............................ 28
Blower Sheave Information ....................... 29
Blower Performance Tables ....................... 30
Unit Starting and Operating Conditions .... 35
Piping System Cleaning and Flushing ...... 36
Unit Starting and Operating Conditions .....37
Unit Start-Up Procedure ............................. 38
Unit Operating Conditions ......................... 39
Preventative Maintenance ..........................41
Functional Troubleshooting ....................... 42
Refrigerant Circuit Diagrams ..................... 44