Technical information

TIC CONTROL
ALARM
CONDITIONS
Alarm
High Discharge
Pressure, cont’d
PSH
Possible cause
Compressor discharge
valve closed.
Overcharged with refrig-
erant.
Faulty water regulating
valve.
Faulty pressure switch.
Solution
Open valve.
See Checking the Refrigerant
Charge in the Maintenance
section.
Repair or replace the valve.
See Checking the Pressure
Switches, in the
Troubleshooting section.
6-12 TROUBLESHOOTING
Portable Chillers UGH024/1103