M470039-01 REV-F Page 141
3) Pressure Requirements:
The Inlet Pressure or pressure differential should never exceed 70PSI. Please see below for additional
precautions.
A) Install a Pressure Regulator on the inlet end of the Water Cooling System. This will help regulate the
inlet water pressure. The Honeywell DialSet® Pressure Regulating Valve is a good reference.
B) There may be circumstances where the water valve is latched open due to excessive inlet pressure and
GPM Flow. To identify this issue, simply monitor the water valve control system and listen for water
flow once the valve indicator LED has darkened. The water flow should be impeded. If flow
continues, reduce GPM flow and Inlet Pressure and continue to run test application. Monitor the front
panel temperature reading (Go to Menu→Display→Meter Mode→P+T) and ensure it is operating
below 40°C.
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