Heat Controller, Inc.
Operating Pressure/Temperature tables include the
following notes:
• Airflow is at nominal (rated) conditions;
• Entering air is based upon 70°F [21°C] DB in heating
and 80/67°F [27/19°C] in cooling;
Table 8a: HB Series Typical Unit Operating Pressures and Temperatures (60 Hz-I.P. Units)
HBH/V CompaCt
Unit Operating Pressures and Temperatures
• Subcooling is based upon head pressure at compressor
service port;
• Cooling air and water values can vary greatly with
changes in humidity level.
IOM Instructions