Hitecsa EQPL-B 4360 Manual Del Operador página 88

11 - OUTLET PRESSURE LOW IN NOMINAL CONDITIONS
Insufficient refrigerant charge:
Presence of air in the water system (in cooling mode):
Insufficient water flow to the evaporator (in cooling mode):
Mechanical problems in the compressor:
Irregular working of fan speed regulator (in cooling mode):
12 - HIGH INTAKE PRESSURE IN NOMINAL CONDITIONS
Excessive thermal load (in cooling mode):
Irregular operation of the expansion valve:
Mechanical problems in the compressor:
13 - LOW INTAKE PRESSURE IN NOMINAL CONDITIONS
Insufficient refrigerant charge:
Heat exchanger damaged (in cooling mode):
Irregular operation of the expansion valve:
The water mesh filter (mounted by installed) is dirty:
Presence of air in the water system (in cooling mode):
Insufficient water flow (in cooling mode):
14 - FAN: IT DOES NOT START, IT SWITCHES ON AND OFF
Switch or contactor faulty, break in the auxiliary circuit:
Circuit breaker protection activated:
Condensation control not working:
SECTION II :: INSTALLATION AND MAINTENANCE
1 Detect and eliminate any leaks;
2 restore correct load.
bleed the system.
check hydraulic system and adjust as necessary.
overhaul compressor.
check calibration and adjust as necessary.
check system sizing, leakage and insulation.
check operation, clean nozzle, adjust superheating, replace if
necessary.
overhaul compressor.
1 restore correct load.
2 Detect and eliminate any leaks;
1 check.
2 replace
1 check operation
2 clean nozzle.
3 check superheating.
4 replace if necessary.
clean the filter.
bleed the system.
check and adjust as necessary.
check and replace if necessary.
check for short-circuits, replace the motor.
1 check functioning of board and replace if necessary.
2 check pressure transducer.
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