Friedrich FPHMR18A3A Service Manual page 129

18k Outdoor Main Printed Circuit Boards
NO.
1 Driver EE Data Socket
2 DC Motor
3 Only for developer
4 Electronic Expansion Valve B
5
Electronic Expansion Valve A
6 For developer
7 Main EE data socket
8 4-way Valve
9 Electric Heating Belt
10 Base Heater
129
COMPONENTS TESTING
Description NO.
11 Sensor Signal from Sensor Board
12 Communication Signal to Indoor
13 AC Power Lin
14 AC Power Nin
15
Earth
16 Reactor L1
17 Reactor L2
18 Compressor U
19 Compressor V
20 Compressor W
Description