Comfort-Aire HTS Series Split System,Two Stage, 2-5 Tons - Manual (Page 32)

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Installation, Operation & Maintenance HTS SERIES SPLIT SYSTEM Heat Controller, LLC
solutions), where TD is the temperature difference between
the entering and leaving water, and GPM is the fl ow rate in
U.S. GPM determined by comparing the unit heat exchanger
pressure drop to Table 12.
If performance during any mode appears abnormal, refer to
the DXM2 section or troubleshooting section of this manual.
NOTE:
To obtain maximum performance, the air coil
should be cleaned before start-up. A 10% solution of
dishwasher detergent and water is recommended.
Unit Start-Up and Operating Conditions
WARNING!
CAUTION!
WARNING! When the disconnect switch is closed, high
voltage is present in some areas of the electrical panel.
Exercise caution when working with energized equipment.
CAUTION! Verify that ALL water valves are open and
allow water fl ow prior to engaging the compressor.
Freezing of the coax or water lines can permanently
damage the heat pump.