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OCCUPANCY SENSOR
(CONTACTS CLOSED
EQUALS OCCUPIED)
WINDOWS CONTACTS
(CONTACTS CLOSED
EQUALS WINDOW CLOSED)
24 VAC
+ -
24 VAC
COM
12
11 10 9
8
7 6
TR23-H
DIP
ONLY
SWITCH
S1
4
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
TO ASSURE PROPER ELECTRICAL CONTACT, WIRES MUST BE TWISTED TOGETHER BEFORE INSERTION INTO THE TERMINAL BLOCK.
2
3
ANALOG OUTPUTS FROM SENSOR ARE 4 TO 20 mA SIGNALS. A 499 OHM 1% TOLERANCE (OR BETTER) PRECISION RESISTOR IS
REQUIRED TO DRIVE THIS AND OTHER 4 TO 20 mA SIGNAL DEVICES. PLACE THIS RESISTOR AS CLOSE AS POSSIBLE TO THE DRIVEN
DEVICE.
4
DIP SWITCH S1 FOR HUMIDITY MODELS ONLY. SEE TR23 INSTALLATION INSTRUCTIONS, FORM NO. 62-0267,
FOR CONFIGURATION DETAILS.
Fig. 22. Controller wiring diagram (model PUL6438S shown) with 4 to 20 mA enthalpy sensors and digital inputs.
AO-1
DI-1
COM
2 2 2 2 2 2 2 2 3
2
1 2 3 4 5 6 7 8 0
1 2 3 4 5 6 7 8
2
1
L
W
-BUS
ON
ORKS
L
W
-BUS
ON
ORKS
5 4 3
2
1
DIP SWITCH S2
ON
ON
DO NOT CHANGE
THIS SWITCH
SW1 SW2
SW1 SW2
POSITION.
ON
DIP SWITCH S3
(TR23 AND TR24
ONLY.)
SW1 SW2 SW3
2
), FOR EARTH GROUND WIRE.
(For note 2, refer to Fig. 15.)
SPYDER® LON PROGRAMMABLE, VAV/UNITARY CONTROLLERS
DI-3
20 VDC
COM
UI-3
2
COM
DI-2
20 VDC
UI-5
UI-1
UI-2
3
3
3
3
3
3
3
3 4
3
9
1 2 3 4 5 6 7 8 0
9
1 1 1 1 1 1 1 1 2
1
1
9
0
1
2 3 4 5 6 7 8 0
9
DO-4
DO-3
DO-2
DO-1
19
OUTDOOR
ENTHALPY
3
RETURN
UI-4
ENTHALPY
2
COM
UI-6
DISCHARGE
AIR TEMP
FAN
HEAT 1
HEAT 2
COMP 1
COMP2
M29757
2
)
63-2685—03
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