W7753a unit ventilator controller, Tr23-f5 wall module – Honeywell EXCEL 10 W7753A User Manual

Page 6

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EXCEL 10 W7753A UNIT VENTILATOR CONTROLLER

95-7520—02

6

Fig. 9. Typical W7753A unit ventilator application wiring

diagram with T7770F wall module. (For note 2, refer to

Fig. 8.)

Fig. 10. Typical window and occupancy sensor wiring

diagram. (For note 2, refer to Fig. 8.)

1

2

3

4

5 6 7 8

E-BUS

24 V

A

C

W7753A

UNIT

VENTILATOR

CONTROLLER

E GND

GND

SNSR

SETPT

LED

BYP

ASS

GND

GND

9 10 11 12

14

J3

15

31 30 29 28 27 26 25 24 23 22 21 20

24 V

A

C COM

E-BUS JACK

22 VDC OUT

19 18 17 16

AI-1 OHM

AI-2 OHM

AI-4 V/mA

OUT

7

OUT

6

OUT

5

OUT

4

OUT

8

OUT

1

OUT

3

OUT

2

AI-3 V/mA

13

DI-2

DI-4

DI-1

DI-3

M29164

GND

GND

TRIAC EQUIVALENT CIRCUIT

E-BUS

OUTSIDE

AIR CO

SENSOR

3 4

1 2

TR23-F5

WALL MODULE

NET

1

GND

SENSOR

NET

2

7 8

5 6

9 10

LED

SET

PT

FA

N

BYP

ASS

1

2

3

4

5

6

7

8

E-BUS

24 V

A

C

W7753A

UNIT

VENTILATOR

CONTROLLER

1

2

1

2

3

3

3

EARTH GROUND WIRE LENGTH SHOULD BE HELD TO A MINIMUM.

USE THE HEAVIEST GAUGE WIRE AVAILABLE, UP TO 14 AWG (2.O MM

2

)

WITH A MINIMUM OF 18 AWG (1.O MM

2

), FOR EARTH GROUND WIRE.

TO ASSURE PROPER ELECTRICAL CONTACT, WIRES MUST BE TWISTED

TOGETHER BEFORE INSERTION INTO THE TERMINAL BLOCK.

CONTACTS MUST BE SUITABLE FOR DRY SWITCHING, 5V AT 10 mA. USE

SEALED TYPE, GOLD FLASHED OR PIMPLED CONTACTS.

E-BUS

E GND

GND

SNSR

SETPT

LED

BYP

ASS

GND

GND

9

10 11 12

14

J3

15

31 30 29 28 27 26 25 24 23 22 21 20

24 V

AC COM

E-BUS JACK

22 VDC OUT

19 18 17 16

AI-1 OHM

AI-2 OHM

AI-4 V/mA

OUT

7

OUT

6

OUT

5

OUT

4

OUT

8

OUT

1

OUT

3

OUT

2

AI-3 V/mA

13

DI-2

DI-4

DI-1

DI-3

M12692

OCCUPANCY SENSOR

(CONTACT CLOSED =

OCCUPIED)

WINDOW CONTACT

(CONTACT CLOSED =

WINDOWCLOSED)

GND

GND

TRIAC EQUIVALENT CIRCUIT

24 VAC

+

-

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