Mitsubishi MCFZ-A18WV Service Manual download pdf (Page 29)

2929

ACTUATOR CONTROL

MUZ-A18YV -

MUZ-A24YV -

MUZ-A26YV -

Relation between main sensor and actuator.

9-3. Relation between main sensor and actuator

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

Compressor

5 seconds 15 seconds

OFF

Compressor

Outdoor fan

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.

Discharge temperature thermistor

Indoor pipe temperature thermistor

Defrost thermistor

Fin temperature thermistor

Outdoor heat exchanger temperature

Purpose

Protection

Defrosting Protection

Defrosting

Protection

Compressor LEV

Outdoor

fan motor

4-way

valve

Sensor

Actuator

OB346A --1qxp 04.6.14 1:20 PM Page 29

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Mitsubishi MCFZ-A18WV Service Manual Page 29

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