Hitecsa EQU-PF 233 Manual De Instalación, Uso Y Mantenimiento página 25

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10 - THE CRANKCASE RESISTANCE DOES NOT WORK (WITH COMPRESSOR OFF)
No electrical power:
Crankcase resistance interrupted:
11 - HIGH FLOW PRESSURE IN NOMINAL CONDITIONS
Insufficient cooling air to the coils:
The fan does not work:
Refrigerant charge excessive:
12 - LOW FLOW PRESSURE IN NOMINAL CONDITIONS
Insufficient refrigerant:
Presence of air in the water system:
Insufficient water flow:
Mechanical problems in the compressor:
Irregular FI accessory operation (if installed):
13 - HIGH INTAKE PRESSURE IN NOMINAL CONDITIONS
Excessive thermal load:
Irregular operation of the expansion valve:
Mechanical problems in the compressor:
14 - LOW INTAKE PRESSURE IN NOMINAL CONDITIONS
Insufficient refrigerant:
Dirty evaporator:
Partially blocked filter:
Irregular operation of the expansion valve:
Presence of air in the water system:
Insufficient water flow:
15 - ONE OF THE FANS DOES NOT WORK OR STARTS AND STOPS
Switch or contactor faulty, break in the auxiliary circuit:
Circuit breaker tripped:
SECTION II: INSTALLATION AND MAINTENANCE
check the connections and auxiliary fuses.
verify and replace, if necessary.
check the fans, clearances and possible coil obstructions; check the
channels.
verify whether the fan functions;
drain the excess.
top-up the correct amount, identify and eliminate any leak.
bleed the system.
check and adjust as necessary.
repair compressor.
verify the calibration and adjust, if necessary.
verify the system size, leaks and insulation.
verify functions and replace, if necessary.
repair compressor.
top-up the correct amount, identify and eliminate any leak.
verify and wash.
replace.
verify functions and replace, if necessary.
bleed the system.
check and adjust as necessary.
verify and replace, if necessary.
check for short circuits, replace motor.
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