Fig. 19. Controller wiring diagram (model PVL6436AS shown) for typical VAV application with staged reheat.
(For note 2, refer to Fig. 15.)
2
1
2
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.
TO ASSURE PROPER ELECTRICAL CONTACT, WIRES MUST BE TWISTED TOGETHER BEFORE INSERTION INTO THE TERMINAL BLOCK.
CONTACTS MUST BE SUITABLE FOR DRY SWITCHING, 5V AT 10 mA. USE SEALED TYPE, GOLD FLASHED OR PIMPLED CONTACTS.
M29755
AO-1
DI-1
UI-1
UI-2
COM
24 VAC
24 VAC
COM
+
-
DO-1
DO-2
DO-3
OCCUPANCY SENSOR
(CONTACTS CLOSED
EQUALS OCCUPIED)
WINDOWS CONTACTS
(CONTACTS CLOSED
EQUALS WINDOW CLOSED)
DI-2
COM
2
AIR FLOW
PICKUP
ΔP
3
3
3
DI-3
COM
LINE
POWER
STAGE 1
STAGE 2
STAGE 3
UI-3
AO-1
COM
AO-2
AO-3
COM
UI-1
COM
UI-2
UI-3
COM
UI-4
UI-5
COM
UI-6
DI-1
DI-2
COM
DI-3
20V DC
DI-4
NET-2
NET-1
SHLD
EGND
24 VAC
24VAC COM
DO-1
COM
DO-2
DO-3
DO-4
DO-5
COM
DO-6
COM
1
2
3 4 5 6
7 8
1 0 9 2 3 4 5 6 7 8 0 9
1 1 1 1 1 1 1 1 1 2 1
1 2 3 4 5 6 7 8 0 9
2 2 2 2 2 2 2 2 2 3 3
1 2 3 4 5 6 7 8 0 9
3 3 3 3 3 3 3 3 4
SBUS1
SBUS2
DIP SWITCH S1 FOR HUMIDITY MODELS ONLY. SEE TR23 INSTALLATION INSTRUCTIONS, FORM NO. 62-0267, FOR CONFIGURATION DETAILS.
4
1
LONWORKS-BUS
LONWORKS-BUS
DIP SWITCH S3
(TR23 AND TR24
ONLY.)
ON
SW1 SW2 SW3
DIP SWITCH S2
ON
SW1 SW2
DIP
SWITCH
S1
ON
SW1 SW2
DO NOT CHANGE
THIS SWITCH
POSITION.
1
11
10 9
8
7
65
4
3
2
12
GND
SENSOR
LON +
LON -
SETPT
LED
OVERRIDE
24 VAC
HUM
4
TR23-H
ONLY
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