Mitsubishi Electric M Series Manual page 227

M series
h. ACTUATOR CONTROL
h-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.
Compressor
Outdoor fan
motor
h-2. R.V. coil control
Heating . . . . . . . . . . . . . . . . . ON
Cooling . . . . . . . . . . . . . . . . . OFF
Dry . . . . . . . . . . . . . . . . . . . . OFF
NOTE: The 4-way valve reverses for 5 seconds right before start-up of the compressor.
Compressor
R.V.coil
Outdoor fan
motor
h-3. Relation between main sensor and actuator
Sensor
Discharge temperature thermistor
Indoor coil temperature thermistor
Defrost thermistor
Fin temperature thermistor
MUZ-HC35
5 seconds
ON
OFF
ON
OFF
<COOL>
5 seconds
ON
OFF
ON
OFF
ON
OFF
Purpose
Protection
Cooling: Coil frost prevention
Heating: High pressure protection
Cooling: High pressure protection
Heating: Defrosting
Protection
WALL-MOUNTED MSZ-HC•VA/B Series
15 seconds
<HEAT>
5 seconds
Actuator
Outdoor fan
Compressor LEV
motor
○ ○
○
○
○ ○
○ ○
○
Indoor fan
R.V. coil
motor
○
○ ○ ○
○
C-225