18K Outdoor Main Printed Circuit Boards - Friedrich FPHMR18A3A Service Manual

Ductless split air conditioners
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18k Outdoor Main Printed Circuit Boards

NO.
Gas B/Liquid B/Gas A/Liquid A sensor
1
Discharge Sensor/ Defrost Sensor /Coil Sensor /Suction Sensor/ Outdoor Sensor
2
High Pressure Switch
3
Liquid C/ Gas C/Liquid D/Gas D sensor (Invalid for 18K)
4
Sensor Signal to Main Board
5
Select Switch Signal to Mainboard to Indoor
6
Communication signal to main board
7
130
COMPONENTS TESTING
Sensor PCB
Description
Display PCB

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