Wiring Diagrams; Models: Whm24Dma21S, Whm36Dma21S, Whm48Dma21S, And Whm60Dma21S - Westinghouse WHM24DMA21S Design & Technical Manual

3. Wiring diagrams

3-1. Models: WHM24DMA21S, WHM36DMA21S,
WHM48DMA21S, and WHM60DMA21S
*Optional
USE COPPER SUPPLY
WIRES (75°C Min) ONLY
Electric
X12
Heater
Kit
Elec Heater
L3 L4 PE
X7
Fan motor
Pin No. Terminal
1
2
3
4
5
6
7
8
9

3-1. Models: WHM24DMA21S, WHM36DMA21S, WHM48DMA21S, and WHM60DMA21S

L1
L2
PE
ON
OFF
X5 X3
X13
EC-FAN L2-TRANS L2-FAN L2
WHITE
BLACK
FM
YE/GN
Function of terminal
code
M1 Fan speed
M2 Fan speed
M3 Fan speed
M4 Fan speed
M5 Fan speed
C Common
N Fan input neutral
L Fan input live
YE/GN GND
SI
G
X9
W1
R
Thermostat
S2
C
1 2 3 4
X10
Trans
X1 X2 X4 X6
L1 L1-FAN L1-TRANS
BLACK
WHITE
Lead wire
color
Brown
Blue
Yellow
Gray
Red
White
White
Black
- 6 -
Outdoor Unit
C B Y W SI
Thermostat
Y1
B
G
W1
R
C
Transformer
L1
L2
PE
YE/GN
USE COPPER SUPPLY WIRES (75°C Min) ONLY
3. Wiring diagrams