5.2.1
TROUBLESHOOTING ANALYSIS
(A)
High Discharge Pressure
Probable Cause
Remedy
Non-condensable gases in the system.
Purge these gases from the system.
Recharge system if necessary.
Excessive charge of refrigerant in
Purge or pump out excessive charge.
the system.
Discharge service valve clogged.
Open discharge valve.
Clogged water strainer.
Clean strainer.
Inadequate supply of water to the
Make certain that inlet and outlet
condenser.
water valves are fully open. Adjust
water regulating valves if necessary.
Make certain the condenser coil is
not fouled.
(B)
Low Discharge Pressure
Probable Cause
Remedy
System low on refrigerant.
Charge system untilsight glass is clear
of bubbles, or until unit contains a
total amount of poundage listed.
Excessive flow of water to the
Adjust water regulating valve.
condenser.
Compressor valve broken.
Replace valve.
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