Adjustment Of Cooling Water Regulating Valve, Water-Cooled Models - Beko DRYPOINT RA III 1080 Translation Of Original Installation And Operation Manual

DRYPOINT ® RA III

11.2.2 Adjustment of cooling water regulating valve, water-cooled models

NOTE
INFORMATION
1. The device is stopped.
2. Inlet / outlet air valves are closed. Compressed air does not flow into the heat exchanger.
3. Service panels are removed.
4. Cooling water supply is available.
A high pressure gauge is connected to the Schrader service valve on the high pressure side of
5.
refrigerant circuit.
Illustration
Schrader service valve
Each time a pressure gauge is connected to the Schrader service valve, a part of
refrigerant fluid is discharged in the environment.
•
Connect the pressure gauge to the Schrader service valve only in case of
real malfunction of the refrigerant circuit.
Factory setting of cooling water regulating valve
The cooling water regulating valve is adjusted by the manufacturer during the
testing phase with a setup that covers the majority of operating conditions.
In case of malfunction of refrigerant circuit due to extreme operating conditions, is
possible to recalibrate the valve.
Preparatory tasks
Adjustment work
Original installa�on and opera�on manual
Description / explanation
1. Start the device and wait few minutes.
2. Turn the adjustment knob clockwise to
reduce the condensing pressure or
counterclockwise to increase it.
3. Wait for the condensing pressure to
stabilize, until the set point value
10 bar(g), +0,5/-0,5 bar (145.0 psi(g)
+7.3/-7.3 psi) is reached.
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