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W7751h – Honeywell EXCEL 10 W7751H User Manual

Page 11

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EXCEL 10 W7751H SMART VAV ACTUATOR

11

95-7553—04

Fig. 20. W7751H to PWM Valve Actuator and series or parallel fan.

Fig. 21. W7751H to pneumatic transducer.

1

2

3

4

5

6

7

8

9

10 11 12

24 V

A

C

COM

OUT

1

OUT

2

E-BUS

24 VAC

W7751H

M10529

WALL MODULE

EAR

TH

GND

SENSOR

BYP

ASS

LED

NOT EARTH GROUND

TRIAC

EQUIVALENT

CIRCUIT

2

1

1

2

MAKE SURE ALL TRANSFORMER/POWER WIRING IS AS SHOWN; REVERSING TERMINATIONS WILL RESULT IN EQUIPMENT MALFUNCTION.

TO ASSURE PROPER ELECTRICAL CONTACT, WIRES MUST BE TWISTED TOGETHER BEFORE INSERTING INTO THE TERMINAL BLOCK.

ML7984B

REHEAT

VALVE

ACTUATOR

PWM OUTPUT FROM CNTRL

PWM (H 24 V

AC)

PWM VALVE ACTUATOR

24 (N)

?24 (H)

T6 T5

C

B

W

R

SERIES OR

PARALLEL

FAN

CONTACTOR

(24 VAC)

SET

PT

1

2

3

4

5

6

7

8

9

10 11 12

24 V

A

C

COM

OUT

1

OUT

2

E-BUS

24 VAC

W7751H

M10530

WALL MODULE

EAR

TH

GND

SENSOR

BYP

ASS

LED

NOT EARTH GROUND

TRIAC

EQUIVALENT

CIRCUIT

3

2

4

1

1

2

3

4

REVERSE WIRES (INCREASE/DECREASE) TO REVERSE ACTION (DIRECT/REVERSE).

MAKE SURE ALL TRANSFORMER/POWER WIRING IS AS SHOWN; REVERSING TERMINATIONS WILL RESULT IN EQUIPMENT MALFUNCTION.

OPTIONAL 24 VAC WIRING TO NEXT CONTROLLER.

USE 1/4 IN. (6 MM) MINIMUM PNEUMATIC TUBING. BRANCH LINE MUST BE 6 FT (1.8M) OR LONGER.

PNEUMATIC

VALVE

MMC325 PNEUMATIC

TRANSDUCER

24 (N)

24 (H)

DECREASE

INCREASE

24 (N)

?24 (H)

M

M

B

SET

PT