Honeywell W7751H Automobile Parts User Manual


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EXCEL 10 W7751H SMART VAV ACTUATOR
95-7553—04 8
Fig. 16. W7751H modulating reheat valve wiring diagram.
(For Note 2 instructions, refer to Fig. 15.)
Fig. 17. W7751H 2-stage reheat wiring diagram.
(For Note 2 instructions, refer to Fig. 15.)
12345678 910
11
12
EARTH
GROUND
24 VAC
COM
OUT 1
OUT 2
E-BUS
COMM
OUT
COMM
IN
24 VAC
NOTE: LOAD POWER WIRE
IS CONNECTED
TO TERMINAL 1.
OPEN
SIGNAL
W7751H
M10525
CLOSED
SIGNAL
1
2
2
WALL MODULE
EARTH
GND
SENSOR
BYPASS
LED
NOT EARTH GROUND
JACK FOR
E-BUS
NETWORK
ACCESS
7 69 8 54321
T7770C
WALL
MODULE
SET PT
GND
SENSOR
BYPASS
LED
E-BUS
E-BUS
1
2
EARTH GROUND WIRE LENGTH SHOULD BE HELD TO A MINIMUM. USE
THE HEAVIEST GAUGE WIRE AVAILABLE, UP TO 14 AWG (2.0 MM
2
)
WITH A MINIMUM OF 18 AWG (1.0 MM
2
), FOR EARTH GROUND WIRE.
TO ASSURE PROPER ELECTRICAL CONTACT, WIRES MUST BE TWISTED
TOGETHER BEFORE INSERTING INTO THE TERMINAL BLOCK.
MICROBRIDGE
DP SENSOR
AIR FLOW
DP PICKUP
AIR FLOW
DIRECTION
LOW
HI
2
M6410 SERIES 60
VALVE ACTUATOR
COM
STEM
UP
STEM
DOWN
TRIAC
EQUIVALENT
CIRCUIT
TWO OR THREE-WAY VALVE
SET PT
12345678 910
11
12
EARTH
GROUND
24 VAC
COM
OUT 1
OUT 2
E-BUS
COMM
OUT
COMM
IN
24 VAC
NOTE: LOAD POWER WIRE
IS CONNECTED
TO TERMINAL 1.
W7751H
M10526
1
2
2
WALL MODULE
EARTH
GND
SENSOR
BYPASS
LED
NOT EARTH GROUND
JACK FOR
E-BUS
NETWORK
ACCESS
7 69 8 54321
T7770C
WALL
MODULE
SET PT
GND
SENSOR
BYPASS
LED
E-BUS
E-BUS
1
2
EARTH GROUND WIRE LENGTH SHOULD BE HELD TO A MINIMUM. USE
THE HEAVIEST GAUGE WIRE AVAILABLE, UP TO 14 AWG (2.0 MM
2
)
WITH A MINIMUM OF 18 AWG (1.0 MM
2
), FOR EARTH GROUND WIRE.
TO ASSURE PROPER ELECTRICAL CONTACT, WIRES MUST BE TWISTED
TOGETHER BEFORE INSERTING INTO THE TERMINAL BLOCK.
MICROBRIDGE
DP SENSOR
AIR FLOW
DP PICKUP
AIR FLOW
DIRECTION
LOW
HI
2
TRIAC
EQUIVALENT
CIRCUIT
STAGE 2
STAGE 1
LINE POWER
CONTACTORS
24 VAC ONLY
SET PT
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