31-00083—02
20
Fig. 19. Controller wiring diagram for typical VAV application, using the TR23 wall module.
1
1
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.
M33822
LON
NETWORK
24 VAC
24 VAC
COM
+
–
ML6161 DAMPER
ACTUATOR
CW
COM CCW
AIR FLOW
PICKUP
Δ
P
1 1 1 1 1 1 1 2 2 2 2 2
3 4 5 6 7 8 9 0 1 2 3 4
UI-4
COM
UI-3
UI-2
COM
UI-1*
A
O-2
COM
A
O-1
COM
DO-2
DO-1
1 1
1 2 3 4 5 6 7 8 9 0 1 2
COM
DO-4
COM
DO-3
NET
-2
NE1-2
S-B
US 2
S-B
US 1
20VDC
EGND
24V
A
C
COM
24V
A
C
1
11
10
9
8
7
6
5
4
3
2
12
GND
SENSOR
LON +
LON -
SETPT
LED
OVERRIDE
SERIES OR
PARALLEL FAN
CONTACTOR
REHEAT
STAGE
CONTACTORS
TR23 WALL MODULE