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SPYDER® LON PROGRAMMABLE, VAV/UNITARY CONTROLLERS
24 VAC
+ -
24 VAC
COM
12
11 10 9
TR23-H
ONLY
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
TO ASSURE PROPER ELECTRICAL CONTACT, WIRES MUST BE TWISTED TOGETHER BEFORE INSERTION INTO THE
TERMINAL BLOCK.
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. 21. Controller wiring diagram (model PUL6438S shown) for typical AHU application. (For note 2, refer to Fig. 15.)
63-2685—03
AO-1
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
ON
ORKS
L
W
ON
ORKS
5 4 3
2
1
8 7
6
DIP
ON
SWITCH
S1
4
SW1 SW2
2
) WITH A MINIMUM OF 18 AWG (1.O MM
20 VDC
UI-3
20 VDC
UI-5
DI-1
UI-1
UI-2
COM
3
3
3
3
3
3
9
1 2 3 4 5 6 7 8 0
1 1 1 1 1 1 1 1 2
1
9
0
1
2 3 4 5 6 7 8 0
DO-4
DO-3
-BUS
-BUS
DIP SWITCH S2
DO NOT
CHANGE
ON
DO-2
THIS
SWITCH
POSITION.
SW1 SW2
DIP
ON
DO-1
SWITCH
S3 (TR23
AND TR24
SW1 SW2 SW3
ONLY.)
2
), FOR EARTH GROUND WIRE.
18
OUTDOOR
ENTHALPY
3
COM
RETURN
UI-4
ENTHALPY
2
COM
UI-6
3
3 4
3
9
DISCHARGE
AIR TEMP
FAN
1
9
HEAT 1
HEAT 2
COMP 1
COMP2
M29756
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