Heatcraft Refrigeration Products none Control Wiring, FAN 1 HEADER FAN, Power Wiring

Diagram 2. Typical 1 x 4 EC Motor Wiring with 0-10V DC Control Signal

CONTROL WIRING POWER WIRING

0 - 10V DC
CONTROL
SIGNAL
BLK	RED

L1

L2

L3

3Ø POWER SUPPLY

PE

								KL3								KL2			KL1		PE
12		11	10	9	8	7	6	5		4		3	2	1	3	2	1	3	2	1
	RS A	RS B	RS A	RS B	GND	0-10V PWM	4-20mA		+20V		+10V	0-10V PWM	GND	OUT	NO	COM	NC	L1	L2	L3	PE
										BLK
										RED

L1

L2

L3

FAN 1 (HEADER FAN)

3Ø POWER SUPPLY

								KL3							KL2			KL1		PE
12		11	10	9	8	7	6	5		4	3	2	1	3	2	1	3	2	1
	RS A	RS B	RS A	RS B	GND	0-10V PWM	4-20mA		+20V	+10V	0-10V PWM	GND	OUT	NO	COM	NC	L1	L2	L3	PE

PE

FAN 2

L1

3Ø POWER

L2

BLK

SUPPLY

RED

L3

PE

KL3

KL2

KL1

PE

12

11

10

9

8

7

6

5

4

3

2

1

3

2

1

3

2

1

RS A

RS B

RS A

RS B

GND

0-10V PWM

4-20mA

+20V

+10V

0-10V PWM

GND

OUT

NO

COM

NC

L1

L2

L3

PE

FAN 3

L1

3Ø POWER

L2

BLK

SUPPLY

RED

L3

PE

KL3

KL2

KL1

PE

12

11

10

9

8

7

6

5

4

3

2

1

3

2

1

3

2

1

RS A

RS B

RS A

RS B

GND

0-10V PWM

4-20mA

+20V

+10V

0-10V PWM

GND

OUT

NO

COM

NC

L1

L2

L3

PE

FAN 4

18