English
8/8
PCW420-650
6 Troubleshooting
FAULT
CAUSE
REMEDY
THE OUTLET WATER
TEMPERATURE EXCEEDS THE
SET VALUE
COMPRESSOR STOPS DUE
TO OPERATION OF THE HIGH
PRESSURE
SWITCH
COMPRESSOR SUCTION,
LIQUID LINE FROSTED
THE COMPRESSOR RUNS
FOR LONG PERIODS, IS NOISY
EXCESSIVE
WATER FLOW,
HIGH THERMAL
LOAD
REDUCE THE FLOW RATE OF
THEWATER TO BE COOLED
HIGH
AMBIENT
TEMPERATURE
RETURN THE
AMBIENT
TEMPERATURE TO
BELOW THE
SPECIFIED LIMIT
PRESSURE SWITCH BROKEN OR
INCORRECTLY CALIBRATED
REPLACE
PRESSURE
SWITCH
REFRIGE---
RANT FILTER
CLOGGED
RENEW
THE FILTER
CONDENSER
FINS
DIRTY
CLEAN THE
FINS OF THE
CONDENSER
CONDENSER
SURFACES
CLOGGED
CLEAR THE FRONT
SURFACE OF THE CON-
DENSER
INSUFFICIENT
WATER FLOW
INCREASE THE
FLOW RATE OF
THE FLUID TO BE
COOLED
COMPRESSOR
COMPONENTS
DETERIORATED
REPAIR OR
REPLACE
COMPRESSOR
LEAKS IN CIRCUIT,
SYSTEM DISCHARGED
CHECK FOR
LEAKS, REPAIR,
CHARGE THE
CIRCUIT
REFRIGERANT
FILTER
CLOGGED
RENEW
THE FILTER
yes
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
COMPRESSOR STOPS DUE
TO OPERATION OF THE
LOW PRESSURE SWITCH
no
FAN ROTATES
BACKWARDS
no
SWAP OVER
THE
PHASEWIRES
THERMOSTATIC
BULB
DISCHARGED
no
THERMOSTATIC
VALVE
INCORRECTLY
CALIBRATED
no
RENEW
THE VALVE
RECALIBRATE
THE VALVE
yes
yes
no
no
yes
Summary of Contents for Hyperchill PCW420
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Page 37: ...Ap ndice Appendix Appendice Anexo DATE 14 02 2022 Rev 17 CODE 398H272297...
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Page 51: ...13 7 5 Circuit diagram PCW420 650 NP PCW650 PCW650 A1...
Page 52: ...14 7 6 Wiring diagram PCW420 510 PCW420 650 Sheet 1 of 11...
Page 53: ...15 7 6 Wiring diagram PCW420 510 PCW420 650 Sheet 2 of 11...
Page 54: ...16 7 6 Wiring diagram PCW420 510 PCW420 650 Sheet 3 of 11...
Page 55: ...17 7 6 Wiring diagram PCW420 510 PCW420 650 Sheet 4 of 11...
Page 56: ...18 7 6 Wiring diagram PCW420 510 PCW420 650 Sheet 5 of 11...
Page 57: ...19 7 6 Wiring diagram PCW420 510 PCW420 650 Sheet 6 of 11...
Page 58: ...20 7 6 Wiring diagram PCW420 510 PCW420 650 Sheet 7 of 11...
Page 59: ...21 7 6 Wiring diagram PCW420 510 PCW420 650 Sheet 8 of 11...
Page 60: ...22 7 6 Wiring diagram PCW420 510 PCW420 650 Sheet 9 of 11...
Page 61: ...23 7 6 Wiring diagram PCW420 510 PCW420 650 Sheet 10 of 11...
Page 62: ...24 7 6 Wiring diagram PCW420 510 PCW420 650 Sheet 11 of 11...
Page 63: ...25 7 6 Wiring diagram PCW650 PCW420 650 Sheet 1 of 11...
Page 64: ...26 7 6 Wiring diagram PCW650 PCW420 650 Sheet 2 of 11...
Page 65: ...27 7 6 Wiring diagram PCW650 PCW420 650 Sheet 3 of 11...
Page 66: ...28 7 6 Wiring diagram PCW650 PCW420 650 Sheet 4 of 11...
Page 67: ...29 7 6 Wiring diagram PCW650 PCW420 650 Sheet 5 of 11...
Page 68: ...30 7 6 Wiring diagram PCW650 PCW420 650 Sheet 6 of 11...
Page 69: ...31 7 6 Wiring diagram PCW650 PCW420 650 Sheet 7 of 11...
Page 70: ...32 7 6 Wiring diagram PCW650 PCW420 650 Sheet 8 of 11...
Page 71: ...33 7 6 Wiring diagram PCW650 PCW420 650 Sheet 9 of 11...
Page 72: ...34 7 6 Wiring diagram PCW650 PCW420 650 Sheet 10 of 11...
Page 73: ...35 7 6 Wiring diagram PCW650 PCW420 650 Sheet 11 of 11...
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