Table of Contents
Advertisement
WARNING: Disconnect electrical power to the Chiller to prevent personal injury before
attempting any internal maintenance. Only qualified personnel should service internal
components or electrical wiring.
TROUBLE
CHILLER DOES NOT
OPERATE, CONTROL
POWER LIGHT " OFF"
PUMP DOES NOT OPERATE,
BUT COOLING LIGHT IS
" ON" .
CHILLER DOES NOT COOL,
AND COOLING LIGHT IS
" OFF" .
PUMP RUNS, COMPRESSOR
" SHORT CYCLES" .
UNIT RUNS CONTINUOUSLY,
BUT IS NOT COOLING
PROCESS LIQUID ENOUGH.
TROUBLESHOOTING
PROBABLE CAUSE
A.
No Power To Unit.
B.
Defective Control Power
Switch.
C.
Defective Control Transformer.
D.
Wrong Voltage Supplied to
Unit.
E.
3--Phase Monitor tripped.
A.
Line to or from Chiller is
restricted.
B.
Internal or external filter is
blocked with debris.
C.
Pump Contactor is
defective.
D.
Damaged pump motor or
impeller.
A.
Thermostat is defective.
A.
No process load on
chiller.
B.
Refrigerant is low.
A.
Condenser is restricted.
B.
Unit low on refrigerant.
C.
Inefficient compressor.
D.
Unit is undersized for
application.
7
REMEDY
A.
Check Main disconnect fuses,
wiring, and power lead to unit.
B.
Replace Switch
C.
Replace Transformer
D.
Supplied Voltage Must be within
± 10% of nameplate rating.
E.
Check for correct voltage level on
each phase of incoming 3--phase
power. Check for correct phase
rotation.
A.
Inspect lines and remove any
obstructions.
B.
Remove filter, back-flush, and
replace.
C.
Replace.
D.
Replace pump motor or impeller.
A.
Replace Thermostat
A.
Increase process load.
B.
Check refrigerant charge.
A.
Clean condenser.
B.
Call Service.
C.
Call Service.
D.
Call REMCOR Chiller Sales Rep.
92266
Hide quick links:
Advertisement
Table of Contents
