Table of Contents
Advertisement
Wiring diagrams
Models: WHZ09WMA21S and WHZ12WMA21S
Temperature
Thermistor
( Pipe temp. )
Thermistor
( Room temp. )
Fan motor
Pin No. Terminal
code
1
2
3
4
5
6
7
0
32
F
15 k
1.3 V
15 k
1.3 V
Function of terminal
Vm
Motor power voltage input
GND
GND
Vcc
Control power voltage input
FG
Revolution pulse output
Vsp
Speed control voltage input
20
68 F
30
86 F
4.5 k
6.5 k
2.2 V
2.7 V
4.5 k
6.5 k
2.2 V
2.7 V
Lead wire
color
Red
Black
White
Blue
Yellow
- 14 -
Advertisement
Table of Contents
