Advertisement
1
2
3
4
5
6
6
7
8
9
10
6
11
12
5
6
1. Output to actuator – Less Heat
1
2. Output to actuator – More Heat
2
3. Pump start/stop (use external relay)
3
4
4. input for remote operation
5
5. Output to actuator 24 Vac
6
6. Common
6
6. Common
7
7. Return water or room sensor (optional)
8
8. Supply water sensor (must be used)
9
9. Outdoor sensor
10
10. Auxiliary output 10 Vdc
6
6. Common
11
11. ModBus A+ communication
12
12. ModBus B- communication
5
5. 24 Vac Power supply (hot side)
6
6. 24 Vac Power supply (common)
VM92 Actuators
Note:
The 2 terminals marked L1 are not the
same.
The left one drives the actuator clock-
wise and the right one drives the actuator
N L1 L1
counter-clockwise.
Output 2 on the TC204 increases heat.
4
Always use this pair of ter-
minals for the power input.
Advertisement
