Menu sequence and structure •
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3110086 EHC20 UK 110515
6.4.12.2 Follow-up time
In this menu, you can specify how long the relay operating in parallel continues to run after R1 or R2 switches off.
Setting range: 0 - 120 seconds / default: 30 seconds
6.4.13 Parallel operation R2
See ”6.4.12 Parallel operation R (X)”, page 60
6.4.14 Permanently on
The relay is always switched on.
6.4.15 Heating circuit
A heating circuit pump is controlled with fixed hysteresis (+/-1°C) so as to reach the setpoint value.
A 30-second switch-on and switch-off delay is set as standard in order to prevent cycling.
RC21 Room Controller can be used as a room sensor.
Setting range: On, Off
6.4.15.1 Room setpoint day
Room setpoint temperature during daytime operation. If this temperature at the room sensor is exceeded within the
set times, the relay will switch off.
Setting range: 10 to 30°C / default: 20°C
6.4.15.2 Room setpoint night
Room setpoint temperature during night-time operation. If this temperature at the room sensor is exceeded outside
the set times, the relay will switch off.
Setting range: 10 to 30°C / default: 16°C
6.4.15.3 Room sensor
Allows you to select the reference sensor for the room temperature.
Setting range: S1-S8, VFS1-2, Active storage tank / default: none
6.4.15.4 Times
Daytime operating times for the heating circuit function
You can set the desired time periods during which the heating circuit operates in daytime mode here. You can enter
three times for each day of the week. You can also copy individual days to other days. The heating circuit operates in
night-time mode outside the set times.
Setting range: 00:00 to 23:59 / default: 06:00 to 22:00
