McQuay MLCV Guía para resolver problemas descargar pdf (Pagina 27)

B. WALL MOUNTED HEATPUMP SERIES

Model Board Handset

WM 10/15/20/25 FR C2.4 G8

LED Indicator Light Display

Cooling Mode Dry Mode

(Green) (Orange)

Heat / Fan Mode Sleep Mode

(Red/Green) (red)

25

Self Diagnosis Table

COOL DRY FAN HEAT SLEEP

Operation / Faulty Indication

/ Cooling mode

Dry mode

Fan mode

/ Heat mode

/ Auto mode in heating operation

/ Auto mode in cooling operation

Defrost operation

Controller overload protection / gas not enough

Indoor coil sensor contact loose / short

Outdoor coil sensor contact loose / short

Room air sensor contact loose / short

If the system is in auto or sleep mode, switch to

heat or cool mode and turn off the sleep

function, turn off the power supply to reset the

system, wait for 3 minutes and on the system

again

If the system is in cool or heat mode ( with the

sleep function off ), the sensor may have

contact problem, compressor overload

protection trip or outdoor abnormal operating

condition.

ON / ON or OFF BLINKING

C. CEILING EXPOSED COOLING /

HEATPUMP SERIES - WIRELESS CONTROL

Model Board Handset

CE 20/25/30/40/50 D/DR C3.0B G8

Cooling : LED Indicator Light Display

COOL DRY FAN

Heatpump : LED Indicator Light Display

COOL DRY TIMER FAN POWER HEAT

Self Diagnosis Table

COOL DRY/ FAN/ HEAT Operation / Faulty Indication

TIMER POWER

/ / / Power on

Room sensor contact loose / short

Outdoor coil sensor contact loose / short

Gas leak

Compressor overload

Outdoor defrost

26

ON / ON or OFF BLINKING

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