7 Operation
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Calio
1157.821/04-EN
7.3.5 Setback operation
Function
If the Setback Operation function is enabled, the pump set identifies minimum heat
demand when the fluid temperature sinks continuously. The pump set automatically
reduces the setpoint. When heat demand rises again, the pump set reverts to its
previous setpoint.
Night mode is enabled when:
▪
The fluid temperature sinks by 15 °C within 2 hours.
The pump set reverts to day mode when:
▪
The fluid temperature rises by 3 °C.
▪
The pump set has been in night mode for more than 7 hours.
Settings
The Setback Operation function and its settings via the KSB ServiceTool are described
in the KSB ServiceTool supplementary operating manual.
Table 33:
Enabling and disabling Setback Operation
Step 1: Activating the setting mode
▪
Press the control element for 15 seconds.
– The current status of the Setback Operation mode is
displayed.
Step 2: Selecting the Setback Operation status
▪
Turn the control element and select the required status.
– nd0 = Setback Operation disabled
– nd1 = Setback Operation enabled
Step 3: Enabling/disabling the Setback Operation status
▪
Press the control element.
