Wiring Guide

© 2008 W 162 - 12/08 6 of 8
tN4 C R Com S1
12345
tN4 C R W
Zone Manager
Wiring the Setpoint Control
Power 24 V (ac) Terminals 2, 3
Wire 24 V (ac) to terminals C and R.
If a Zone Manager is used:
•
Connect C on the setpoint control to C on the proper
zone of the Zone Manager.
•
Connect R on the setpoint control to R on the proper
zone of the Zone Manager.
If a 24 V (ac) transformer is used:
•
Connect C on the setpoint control to C on the
transformer.
•
Connect R on the setpoint control to R on the
transformer.
tN4 Communication Terminals 1, 2
Wire the tN4 communication to terminals tN4 and C.
If a Zone Manager is used:
•
Connect tN4 on the setpoint control to the tN4 on the
proper zone of the Zone Manager. The C terminal is
already connected.
If a Zone Manager is not used:
•
Connect tN4 on the setpoint control to the tN4 terminal
on another tN4 device on the same tN4 bus.
•
Connect C on the setpoint control to the C terminal on
another tN4 device on the same tN4 bus.
Setpoint Control
Zone Manager
tN4 C R Com S1
12345
tN4 C R W
Relay 1 and Relay 2 Terminals 6, 7, 8
Relay 1 is used to switch the heat or cooling.
Relay 2 is used to switch the recirculation pump.
If a Zone Manager is used:
•
Connect Relay 1 to W on the proper zone on the Zone
Manager.
•
Connect Relay 2 to W on the proper zone on the Zone
Manager.
If a Zone Manger is not used:
•
Determine if the jumper must be cut.
•
When the jumper is not cut, Relay 1 and Relay 2 is
internally powered through terminal 3.
•
When the jumper is cut, Rh and Relay 1 and Relay 2
are isolated switches.
Setpoint Control
Zone Manager
R RhR1R2
3 678
tN4 C R W
Zone Manager
tN4 C R W
Sensor Input Terminals 4, 5
The sensor is connected to the setpoint control on terminals
Com and S1.
•
• Connect sensor to terminals S1 and Com.
Do not apply power
to terminals S1 and Com,
permanent damage to the sensors and / or setpoint
control will result!
Universal
Sensor
Setpoint Control
tN4 C R Com S1
12345
Do Not Apply Power
Setpoint Control