Mitsubishi MSZ-HC35VA Service Manual download pdf (Page 24)

MUZ-HC25VA MUZ-HC35VA MUZ-HC35VAB

9-2. R.V. COIL CONTROL

Heating

. . . . . . . . . . . . . . . . .

Cooling

. . . . . . . . . . . . . . . . .

OFF

Dry

. . . . . . . . . . . . . . . . . . . .

OFF

NOTE: The 4-way valve reverses for 5 seconds right before start-up of the compressor.

OFF

Outdoor fan

motor

Compressor

5 seconds 15 seconds

OFF

Compressor

Outdoor fan

motor

R.V.coil

OFF

<COOL>

5 seconds

<HEAT>

5 seconds

9-1. OUTDOOR FAN MOTOR CONTROL

The fan motor turns ON/OFF, interlocking with the compressor.

[ON] The fan motor turns ON 5 seconds before the compressor starts up.

[OFF] The fan motor turns OFF 15 seconds after the compressor has stopped running.

9-3. RELATION BETWEEN MAIN SENSOR AND ACTUATOR

Sensor Purpose

Actuator

Compressor LEV

Outdoor fan

motor

R.V. coil

Indoor fan

motor

Discharge temperature thermistor Protection

○○

Indoor coil temperature thermistor

Cooling: Coil frost prevention

○

Heating: High pressure protection

○

Defrost thermistor

Cooling: High pressure protection

○○○

Heating: Defrosting

○○○○○

Fin temperature thermistor Protection

○○

HC35VA-

HC35VAB-

ACTUATOR CONTROL

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Mitsubishi MSZ-HC35VA Service Manual Page 24

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