IOM Instructions HBH/V CompaCt Heat Controller, Inc.
Unit Operating Pressures and Temperatures
Table 9: Water Temperature Change Through Heat Exchanger
Water Flow, gpm [l/m]
Rise, Cooling
°F, [°C]
Drop, Heating
°F, [°C]
For Closed Loop: Ground Source or
Closed Loop Systems at 3 gpm per
ton [3.2 l/m per kW]
9 - 12
[5 - 6.7]
4 - 8
[2.2 - 4.4]
For Open Loop: Ground Water
Systems at 1.5 gpm per ton
[1.6 l/m per kW]
20 - 26
[11.1 - 14.4]
10 - 17
[5.6 - 9.4]
Table 8d: HB Series Typical Unit Operating Pressures and Temperatures (60 Hz-I.P. Units)
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