Hitecsa EQS 2335 Manual Del Usuario página 79

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 dirty/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:
Detect and eliminate any leaks;
restore correct load.
bleed the system.
check hydraulic system and adjust as necessary.
overhaul compressor.
check the calibration and adjust if necessary. If it is not working,
replace it.
check system sizing, leakage and insulation.
check operation, and replace if necessary.
overhaul compressor.
restore correct load.
Detect and eliminate any leaks.
check whether it is clean.
clean it if it is dirty, replace it if necessary.
check operation, and 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.
check the operation of the board and speed regulator, replace if
necessary
check pressure transducer
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EQS