SURREY Multi split Manual De Instalación, Operación Y Mantenimiento página 50

TROUBLE
10. High suction pressure. - Excessive thermal load.
11. Compressor does
not operate in heating inversion valve.
mode.
50
M A N U A L D E I N S TA L A C I Ó N , O P E R A C I Ó N Y M A N T E N I M I E N T O
POSSIBLE CAUSE
- Defective compressor.
- Compressor operates with reversing
rotation.
cables of the unit power terminal.
- Defective (burnt) solenoid of the
- Defective reversing cycle valve.
- Defective defrost thermostat (open). - Use an ohmmeter to detect the failure.
- Defective selective switch.
- Incorrect connections or broken wires.
- Thermostat button at the cooling position. - Set the thermostat.
PROCEDURE
- Check the project conditions.
- Check the suction and discharge
pressures. Replace if necessary.
- Check the suction and discharge
pressures. In case the reversion is
found, change the position of the two
- Replace the solenoid.
- Replace the reversing cycle valve.
If required, replace the thermostat.
- Use an ohmmeter to detect the failure.
If required replace the selective switch.
- Check the wiring, repair or replace it.
Refer to the electric diagram of the
equipment.