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SDC / DHC Hydraulic Components
EN2H-0221GE51 R0808 171
High settings lead to a quicker adjustment of the control deviation,
while they reduce the stability of the control circuit and can lead
with excessively high setpoints to the oscillating of the control
variable (room temperature).
7.3.4.3 Heating circuit room controller
With this setting the heating circuit concerned can be controlled
through a room controller. This requires a wall device SDW 30
with room control function. The room controller directly determines
the required flow setpoint and transmits this information to the
central device.
With this setting the control of the respective heating circuit is
completely room-guided. Weather condition control is inactive.
However, the parameters for weather response ("heating curve"
setting) can still be entered.
7.3.4.4 Switch-on/switch-off optimisation
The switch-on optimisation leads to the set day setpoint being
reached at the beginning of the set time period of the heating
cycle, e.g. 6 a.m. to 10 p.m., at 6 a.m. Without switch-on
optimisation, the heat generator would not be started until 6 a.m.
The desired day setpoint is not reached until some time later.
Switch-on time optimisation can occur either with or without a
room sensor.
Function