Fan 1 fan 2 fan 4 fan 3 (header fan), Control wiring power wiring – Heatcraft Refrigeration Products Air-Cooled Condensers none User Manual
Page 18
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18
TYPICAL 1X4 EC MOTOR WIRING
WITH 0-10V DC CONTROL SIGNAL
RS
B
RS
A
12
11
4-20mA
0-10V
GND
RS
A
RS
B
PWM
0-10V
PWM
+20V
+10
V
OUT
GND
NC
C
O
M
NO
L2
L3
L1
PE
KL3
10
9
7
8
6
5
3
4
2
1
1
3
2
KL2
2
3
1
KL1
PE
BLK
RED
RS
B
RS
A
12
11
4-20m
A
0-10V
GN
D
RS
A
RS
B
PWM
0-10V
PWM
+20V
+10V
OU
T
GN
D
NC
C
O
M
NO
L2
L3
L1
PE
KL3
10
9
7
8
6
5
3
4
2
1
1
3
2
KL2
2
3
1
KL1
PE
RED
BLK
RS
B
RS
A
12
11
4-20m
A
0-10V
GN
D
RS
A
RS
B
PWM
0-10V
PWM
+20V
+10
V
OU
T
GN
D
NC
C
O
M
NO
L2
L3
L1
PE
KL3
10
9
7
8
6
5
3
4
2
1
1
3
2
KL2
2
3
1
KL1
PE
RED
BLK
L1
RS
B
RS
A
12
11
4-20mA
0-10V
GND
RS
A
RS
B
PWM
0-10V
PWM
+20V
+10V
OUT
GND
NC
C
O
M
NO
L2
L3
L1
PE
KL3
10
9
7
8
6
5
3
4
2
1
1
3
2
KL2
2
3
1
KL1
PE
L2
PE
L3
3Ø POWER
SUPPLY
PE
L2
SUPPLY
L3
3Ø POWER
L1
PE
L2
SUPPLY
L3
3Ø POWER
L1
PE
L3
3Ø POWER
SUPPLY
L2
L1
FAN 1
FAN 2
FAN 4
FAN 3
(HEADER FAN)
0 - 10V DC
CONTROL
SIGNAL
BL
K
RED
CONTROL WIRING
POWER WIRING
Diagram 2. Typical 1 x 4 EC Motor Wiring with 0-10V DC Control Signal
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