Model: Whs24Wma21S - Westinghouse WHS09WMA11S Design & Technical Manual

3-2. Model: WHS24WMA21S

OPTIONAL
MOTOR
MOTOR
LOUVER
MOTOR
DISPLAY UNIT
PIPE TEMP
ROOM TEMP
Temperature
Thermistor
( Pipe temp. )
Thermistor
( Room temp. )
Fan motor
Pin No. Terminal
code
1 Vm
2
3
GND
4
5
Vcc
6 FG
Vsp
7
3-2. Model: WHS24WMA21S
CONTROL UNIT
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
Function of terminal
Motor power voltage input
GND
Control power voltage input
Revolution pulse output
Speed control voltage input
OPTIONAL
RED
HEAT EXCHANGER
OPTIONAL
WIRING CONTROL UNIT
30 86 F
4.5 k
2.7 V
4.5 k
2.7 V
Lead wire
color
Red
Black
White
Blue
Yellow
- 9 -
RED
OR WIFI
INDOOR OUTDOOR
UNIT
3. Wiring diagrams
UNIT