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16
Water Valve
Adjustment Screw
All PWC units come equipped with an automatic pressure regulated water valve
which controls the condenser water flow rate. The water valve will open when the
system is running, and will adjust the water flow rate based on the temperature of the
supply water.
In some cases, water temperatures can cause the valve to open and close at a high
rate, causing a “chattering” condition in the water supply line. In these cases, it is
recommended that the water valve be adjusted.
1. Disconnect the unit power.
2. Remove the unit back panel and locate the water regulating valve in the lower
right region of the unit.
3. Locate the water valve adjustment screw. At the top of the valve there is a square
-shaped adjustment screw.
4. Turn the adjustment screw 1/4 turn CCW to raise the low side operating
pressure...or...CW to lower the low side operating pressure.
5. Re-install the back panel and turn the unit on.
WATER VALVE ADJUSTMENT
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