Potterton eurocondense four 125 kw, Installation, Operation And Maintanance Manual, Page: 58 / 148

5. Use the operating mode key for heating mode to select the automat­
ic operating mode on the boiler control unit
6. Set the required room temperature using the control of the control
unit
8.2.3 Setting necessary parameters
Normally, the parameters of the regulator do not need to be modified. Only
date/time and individual time programs may need setting.
For DHW processing a setting of 55°C is recommended.
Note
Times for domestic water heating are set in time program 4 /
DHW. For reasons of convenience, domestic water heating should
start approx. 1 h before central heating commences.
8.2.4 Setting the heating mode
The operating mode key for heating mode enables a changeover between
the various heating operating modes. The selected setting is marked with
a bar underneath the operating mode symbol.
Automatic mode
Heating mode according to time program
Temperature setpoints or according to time program
Protection functions (plant frost protection, overheating protection) acti­
vated
Automatic summer/winter changeover (automatic switching over be­
tween heating and summer operation from a certain outside temperature
onwards)
Automatic day heating limit (automatic changeover between heating and
summer operation, if outside temperature exceeds the room setpoint
value)
Continuous mode or
Heating mode without time program
Protection functions activated
Automatic summer/winter changeover is not activated
Automatic day heating limit is not activated
Protection mode
No heating operation
Temperature according to frost protection setpoint
Protection functions activated
Automatic summer/winter changeover active
Automatic day heating limit active
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8 Operation
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