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Optigo OP10 user manual
Chapter 5
Control modes
20
DO3, Pump control
The pump control output is activated when the temperature control output signal is greater
than zero, or the outdoor temperature is below 15°C. It is deactivated when the output signal
is zero and the outdoor temperature is greater than 15°C. There is a 10 minute stop delay.
There is a pump exercise function which will start the pump at 15:00 (3 pm) every day and
let it run for 5 minutes. The function can be deactivated.
Wiring example
See also chapter 4
Installation and wiring
.
OP10-230 with 3-position actuator and room temperature sensor
Control mode 5
Domestic hot water control
GT1
CW
For this control mode you need a single sensor, “Supply water temperature” on AI1
Periodic overheating
To reduce the risk of Legionella bacteria growth a periodic overheating of the water can be
configured. The water temperature will be raised to 65°C once daily at 03:00 (3 am). The
elevated temperature is maintained for 10 minutes. The function can be deactivated.