Midea ATOM B Series Service Manual page 45

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