Conair W1-1.5 User Manual page 75

Alarm
ALM 04
High Refrigerant
Discharge Pressure
alarm
UGH017/0500
Possible cause
Clogged/dirty air-cooled
condenser.
Blocked air flow to air-
cooled condenser.
Low condenser water
flow or water too warm
to water-cooled con-
denser.
Blocked condenser water
line or valve closed.
Condenser fouled.
Compressor discharge
valve closed (if supplied).
Overcharged with refrig-
erant.
Faulty water regulating
valve.
Faulty pressure transduc-
er.
Ambient air is over 95 °F.
Series 1 Portable Chillers, PLC Control
A
LARM
C
ONDITIONS
'
CONT D
Solution
Clean the coil. See Cleaning
the Air-cooled Condenser,
the Maintenance section.
Move chiller or unblock air
passageway.
Check required flow; see
Specifications in the
Description section.
Unblock line; open valve.
Clean the condenser. See
Cleaning the Air-cooled
Condenser, and Cleaning the
Evaporator or Water-cooled
Condenser, in the Maintenance
section.
Open valve.
See Checking the Refrigerant
Charge, in the Maintenance
section.
Repair or replace the valve.
See Checking the Pressure
Transducer, in the
Troubleshooting section.
T
ROUBLESHOOTING
in
6-11