Midea ATOM B Series Service Manual page 43

Atom B Series VRF 50/60Hz
3 Wiring Diagrams
Figure 5-3.1: 28 model wiring diagram
Component code Description
CH1-CH4 Magnetic ring
COMP Compressor
EEV1 Electronic expansion valve
FAN DC fan
HEAT1 Crankcase heater
H-PRO High pressure on/off switch(default)
L-PRO Low pressure on/off switch
42
Component code Description
STF1 Four-way valve
TL Refrigerant radiator temperature sensor
XT1 Power supply terminal
T3 Outdoor heat exchanger temperature sensor
T4 Outdoor ambient temperature sensor
T5 Outdoor discharge temperature sensor