Westinghouse WHU09DHA21S Service Manual page 32

Model: WHU36SZA21S
USE COPPERR SUPPLY WIRES
Fan motor
Pin No. Terminal
code
FG
1
2 Vsp
Vcc
3
4 GND
5
6 Vm
Temperature
Thermistor
(Outdoor temp.)
Thermistor
(Coil & Defrost temp.)
Thermistor
(Discharge temp.)
Thermistor
(Suction temp.)
SV
Function of terminal
Revolution pulse output
Speed control voltage input
Control power voltage input
GND
Motor power voltage input
0 32
F 20 68 F
15 k 6.5 k
1.3 V 2.2 V
15 k 6.5 k
1.3 V 2.2 V
187 k 72.1 k
0.18 V 0.43 V
15 k 6.5 k
1.3 V 2.2 V
Main Control board
Lead wire
color
Compressor
Blue
36 model: 0.65
(
20
Yellow
White
Black
Red
30 86 F
4.5 k
2.7 V
4.5 k
2.7 V
46.5 k
0.64 V
4.5 k
2.7 V
- 31 -
Driver board
FM
M
)
68 F
M