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
