Honeywell EXCEL 10 W7753A Installation Instructions Manual page 6

Unit ventilator controller
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EXCEL 10 W7753A UNIT VENTILATOR CONTROLLER
31
30
29
28
27
26
25
W7753A
UNIT
VENTILATOR
CONTROLLER
1
2
3
4
5
6
1 2
3 4
5 6
7 8
TR23-F5
WALL MODULE
Fig. 9. Typical W7753A unit ventilator application wiring
diagram with T7770F wall module. (For note 2, refer to
95-7520—02
24
23
22
21
20
19
18
17
TRIAC EQUIVALENT CIRCUIT
E-BUS
7
8
9
10
11
12
13
14
15
9 10
Fig. 8.)
WINDOW CONTACT
16
(CONTACT CLOSED =
WINDOWCLOSED)
3
OCCUPANCY SENSOR
(CONTACT CLOSED =
OCCUPIED)
3
31
30
29
W7753A
J3
UNIT
VENTILATOR
CONTROLLER
E-BUS
OUTSIDE
AIR CO
SENSOR
1
2
3
1
M29164
1
EARTH GROUND WIRE LENGTH SHOULD BE HELD TO A MINIMUM.
USE THE HEAVIEST GAUGE WIRE AVAILABLE, UP TO 14 AWG (2.O MM
WITH A MINIMUM OF 18 AWG (1.O MM
2
TO ASSURE PROPER ELECTRICAL CONTACT, WIRES MUST BE TWISTED
TOGETHER BEFORE INSERTION INTO THE TERMINAL BLOCK.
3
CONTACTS MUST BE SUITABLE FOR DRY SWITCHING, 5V AT 10 mA. USE
SEALED TYPE, GOLD FLASHED OR PIMPLED CONTACTS.
Fig. 10. Typical window and occupancy sensor wiring
diagram. (For note 2, refer to Fig. 8.)
6
28
27
26
25
24
23
22
21
TRIAC EQUIVALENT CIRCUIT
4
5
6
7
8
9
10
11
2
), FOR EARTH GROUND WIRE.
+
24 VAC
-
20
19
18
17
16
E-BUS
12
13
14
15
J3
2
E-BUS
2
)
M12692

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