Friedrich FPWC1 - Page 109

109 PB
COMPONENTS TESTING
36k Outdoor Unit Control Board
1
7 8 9 10
62 3 4 5
11
13
12
14
17
161819 15
NO. NO.Description Description
1 11 E lectric Expansion Valve Communication SI
2 12 High Pressure Switch Communication SI -N
3 13 Power Low Pressure Switch
4 14
Heater -L
Suction Temperature Sensor
5 15
Heater -N
Ambient Temperature Sensor
6 16 Coil/Defrost Temperature Sensor
Transformer O utput Side
7 17
Discharge Temperature Sensor
4-Way Valve
8 18 DC Fan 2 -SI PTC
9 DC Fan 1-SI 19
Transformer O utput Side
10
IPM-SI
Figure 608