EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER

 

 

 

 

 

 

 

 

 

 

 

ECONOMIZER

 

 

 

 

 

 

 

 

 

 

 

 

 

DAMPER

 

 

 

 

 

 

 

 

 

 

PWM ACTUATOR

 

4

 

 

 

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIGNAL

 

 

 

 

 

 

 

 

 

 

24V

COM

 

24V

SIG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24-VAC

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

DI-4

DI GROUND

DI-3

DI-2

DI GROUND

DI-1

24 VAC

VAC COM

OUT 1

OUT 2

OUT 3

OUT 4

OUT 5

OUT 6

OUT 7

OUT 8

 

 

 

 

 

 

 

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRIAC EQUIVALENT CIRCUIT

 

W7750B CONSTANT

 

 

 

 

 

 

 

 

VOLUME AHU

 

 

 

 

 

 

 

 

 

 

CONTROLLER

 

 

 

 

 

 

 

 

 

 

 

WALL MODULE

 

 

GROUND

 

 

GROUND

 

20 VDC OUT

 

 

 

EARTH GROUND

LED

BYPASS

SENSOR

GROUND

SET PT

AI-1 OHM

AI-2 OHM

AI-3 V/mA

AI-4 V/mA

LONWORKS

BUS

LON JACK

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

J3

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

BUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ORKS-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISCHARGE

 

 

 

 

W

 

 

 

 

 

 

 

 

 

 

 

LON

 

 

 

 

 

 

 

AIR TEMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WINDOWS CONTACTS (CONTACTS CLOSED EQUALS WINDOW CLOSED)

OCCUPANCY SENSOR (CONTACTS CLOSED EQUALS OCCUPIED)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24-VAC

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

DI-4

DI GROUND

DI-3

DI-2

DI GROUND

DI-1

24 VAC

VAC COM

OUT 1

OUT 2

OUT 3

OUT 4

OUT 5

OUT 6

OUT 7

OUT 8

 

 

 

 

 

 

 

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRIAC EQUIVALENT CIRCUIT

 

W7750B CONSTANT

 

 

 

 

 

 

 

 

VOLUME AHU

 

 

 

 

 

 

 

 

 

 

CONTROLLER

 

 

 

 

 

 

 

 

 

 

 

WALL MODULE

 

 

 

 

 

 

 

20 VDC OUT

 

 

 

EARTH GROUND

LED

BYPASS

SENSOR

AI GROUND

SET PT

AI-1 OHM

AI GROUND

AI-2 OHM

AI-3 V/mA

AI GROUND

AI-4 V/mA

LONWORKS

BUS

LON JACK

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

J3

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

BUS

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ORKS-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISCHARGE

 

 

 

 

 

 

 

LONW

 

 

 

 

OUTDOOR

 

 

 

 

 

 

 

 

 

AIR TEMP

 

 

 

 

 

 

 

 

 

 

 

ENTHALPY

RETURN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ENTHALPY

 

 

9

8

7

6

5

4

3

2

2

1

 

 

LED

BYPASS

SET PT

SENSOR

GND

E-BUS

E-BUS

 

T7770C

 

 

 

 

 

WALL

 

 

 

 

 

MODULE

 

 

 

JACK FOR

LONWORKS-BUS NETWORK ACCESS

9

8

7

6

5

4

3

2

2

1

 

 

LED

BYPASS

SET PT

SENSOR

GND

E-BUS

E-BUS

 

T7770C

 

 

 

 

 

WALL

 

 

 

 

 

MODULE

 

 

 

JACK FOR

LONWORKS-BUS NETWORK ACCESS

1 EARTH GROUND WIRE LENGTH SHOULD BE HELD TO A MINIMUM.

USE THE HEAVIEST GAUGE WIRE AVAILABLE, UP TO 14 AWG (2.O MM2)

1 EARTH GROUND WIRE LENGTH SHOULD BE HELD TO A MINIMUM.

USE THE HEAVIEST GAUGE WIRE AVAILABLE, UP TO 14 AWG (2.O MM2) WITH A MINIMUM OF 18 AWG (1.O MM2), FOR EARTH GROUND WIRE.

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

3 WIRING DIAGRAM SHOWS JUMPER (FOR J2) IN FACTORY DEFAULT HIGH-SIDE POSITION.

4 FOR WIRING DETAILS FOR PWM DEVICES, REFER TO DOCUMENTATION

INCLUDED WITH PWM DEVICES.

M10080C

Fig. 32. W7750B,C Controller PWM damper actuator

wiring diagram. (For more information on note 2, refer to

Fig. 25.)

 

WITH A MINIMUM OF 18 AWG (1.O MM2), FOR EARTH GROUND WIRE.

2

TO ASSURE PROPER ELECTRICAL CONTACT, WIRES MUST BE TWISTED

 

TOGETHER BEFORE INSERTION INTO THE TERMINAL BLOCK.

3

WIRING DIAGRAM SHOWS JUMPER (FOR J2) IN FACTORY DEFAULT

HIGH-SIDE POSITION.

M10079C

Fig. 33. W7750B,C wiring diagram with 4 to 20 mA enthalpy sensors and digital inputs. (For more information on note 2, refer to Fig. 25.)

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Honeywell W7750A specifications Economizer Damper PWM Actuator Power Signal