Operation Control Function By The Outdoor Controller; Normal Control - Mitsubishi Heavy Industries KX6 series Service Manual

1.4 Operation control function by the outdoor controller

(A)

Normal control

(1) Operation of major functional components under each operation mode
Fonctional item
Compressor (CM)
Magnetic contactor CM1 (52X1, 52X2)
Outdoor unit fan mortor (FMo-1)
Outdoor unit fan mortor (FMo-2)
4 way valve (20S)
Heating electronic expansion valve
(EEVH)
Super cooling coil electronic expansion
valve (EEVSC)
Solenoid valve (SV1) (oil return)
Solenoid valve (SV6) (liquid injection
return)
Solenoid valve (SV11) (gas bypass)
Crankcase heater (CH)
Note (1) It means 〇 : ON, × : OFF, 〇/× : -, ×/〇 : ON or OFF.
(2) This shows the state of output when all indoor units are under the same mode.
(3) ※ 1 : When stopped from cooling, it is fully open
When stopped from heating, it is fully closed unless another degree of opening is specified by the electronic expansion valve (EEV) control at the
stop.
※ 2 : When stopped from heating, it is fully closed unless another degree of opening is specified by the electronic expansion valve (EEV) control at the
stop.
Operation mode Cooling/Dehumidifying
Thermostat
ON
〇
〇
〇
〇/×
×
Fully open
Opening Angle
Control
〇/×
〇/×
×
〇/×
Fan
Thermostat
Thermostat
OFF
× ×
〇 ×/〇
×/〇 ×/〇
×/〇 ×/〇
× ×
Opening Angle
※ 
Fully open
Fully closed Fully closed Fully closed Fully closed Fully closed
× ×
〇/× ×
× ×
〇/× 〇
9
- -
'10 • KX-SM-148
Heating
Thermostat
Defrost
ON OFF
〇 ×
〇 〇
〇/× ×/〇 〇→×
〇/× ×/〇 〇→×
〇 〇 〇→×
Fully closed /
※ 
Control Fully open
〇/× × 〇/×
〇/× 〇/× 〇/×
〇/× ×
〇/× 〇/× 〇/×
ESP-FP-1736
〇
〇
×
M