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3. Wiring Connection
Cooling thermo contact signal(output)
Contact short : Cooling thermo on
Contact open : Coollng thermo off or stop
Free cooling contact signal(input)
Contact short : Free cooling available
Contact open : Mechanical cooling available
Damper Actuators
Universal Comm. Kit
B1
B3
B5
B5
B5
B2
B4
B6
B8
B10
OCC
E-GND
C R
Com.
B11 B13 B15
B17
B19
B21
B23
B12 B14
B16
B18
B20
B22
Power
(Field supplied)
Relay 1
Normally
open Relay
Com.
B25
B24
B26
Relay 2
Normally
close Relay
23
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