SPYDER® LON PROGRAMMABLE, VAV/UNITARY CONTROLLERS
15
63-2685—03
Fig. 18. Controller wiring diagram (model PVL6438NS shown) for typical VAV application, using the TR23 wall module and
a C7770A air temperature sensor. (For note 2, refer to Fig. 15.)
1
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.
M29753
L
ON
W
ORKS
-BUS
AO-1
DI-1
UI-1
UI-2
COM
24 VAC
24 VAC
COM
+
-
DO-1
DO-2
DO-3
DO-4
L
ON
W
ORKS
-BUS
SERIES OR PA
RALLEL
F
A
N
CONT
ACT
O
R
REHEA
T
ST
AGE
CONT
ACT
O
RS
ML6161 DAMPER ACTUA
TOR
CW
COM
CCW
OCCUPANCY SENSOR
(CONTACTS CLOSED
EQUALS OCCUPIED)
WINDOWS CONTACTS
(CONTACTS CLOSED
EQUALS WINDOW CLOSED)
DI-2
COM
2
DO-5
DO-6
C7770A
AIR
TEMPERATURE
SENSOR
UI-3
COM
AIR FLOW
PICKUP
Δ
P
3
3
3
DAMPER OPEN
DAMPER CLOSE
REHEAT STAGE 1 (OR OPEN)
REHEAT STAGE 2 (OR CLOSE)
COM
REHEAT STAGE 3
DI-3
COM
COM
SBUS1 SBUS2
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 V
AC
24V
AC 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
DO-7 DO-8 COM
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 6 5 4 3 2
12
GND
SENSOR
LON +
LON -
SETPT
LED
OVERRIDE
24 V
A
C
HUM
UI-4
4
DIP SWITCH S1 FOR HUMIDITY MODELS ONLY. SEE TR23 INSTALLATION INSTRUCTIONS, FORM NO. 62-0267, FOR CONFIGURATION DETAILS.
4
TR23-H
ONLY
