Samsung mini DVM Series Service Manual page 322

12-3 Outdoor Unit (DVM Plus2 Series)
12-3-1 Main PCB
Communication Part
1. Wired Indoor unit
2. Wired Outdoor Unit
Power PBA interface
1. Sensor input part
: SUMP, Low Pressure, High Pressure,
Out air temp, suction temp, etc.
2. EEV1, EEV2, Liquid EEV
Samsung Electronics
Program download part
MAIN
SUB
MPU
MPU
Valve Drive Part
CCH, OIL, LIQUID TUBE, PWM, COMP, HOTGAS, 4WAY
7-segment Key operation
display Tact switch
Setting Part
1. Indoor Number
2. Operation Condition
3-phase mis
wiring Detection
Part
COMP CT
Sensor Input
12-10