Midea ATOM MDV-V56WDHN1(AtB)

Atom B Series VRF 50/60Hz
44
Midea
Atom B
Series Service Manual
Figure 5-3.3: 60 model wiring diagram
Component code
Description
Component code
Description
XT1
3-slot power supply terminal
H-PRO
High pressure switch
XT2
Communication converter board
L-PRO
Low pressure switch
CHI-CH6
Magnetic ring
STF1
Four-way valve
COMP.
Compressor
T3
Outdoor heat exchanger temperature sensor
CT1
AC current transformer
T4
Outdoor ambient temperature sensor
EEV1/EEV2
Electronic expansion valve
T5
Discharge temperature sensor
FAN1
Upper fan
TF
Radiator surface temperature sensor
FAN2
Lower fan(connected if there’s any)
TL
Refrigerant radiator temperature sensor
HEAT1
Crankcase heater
SV5/SV6
Solenoid valve