Settings in the service menu
Condens 8300i W – 6721841531 (2022/10)
32
Menu 3: Basic settings
▶ Press the ( key and * key simultaneously until the display shows
L.1.
▶ Press the key repeatedly until L.3 appears.
▶ To confirm the selection: press OK key.
▶ Selecting and setting the service function.
The factory settings are depicted as highlighted in the following table.
Table 17 Menu 3: Basic settings
Service function Settings/adjustment range Remark/restriction
3-b1 Maximum approved heating capacity • 50 … 100 % (depending on the appliance output) ▶ Set the heating capacity in percent.
▶ Measure the gas rate.
▶ Compare the measurement with the setting
tables ( page 59). Correct the setting in
the case of any deviation.
3-b2 Time interval between stopping and
starting the burner in heating mode
•3 … 10 … 60 minutes The time interval determines the minimum
waiting time between switching off the burner
and switching it back on (standby period).
3-b3 Temperature differential for restarting
the burner
•-15 … -6 … -2 K ( °C) The difference between the current flow
temperature and the set flow temperature until
the burner is switched on.
3-C4 Turbine signal delay • 2 … 16 × 0.25 seconds The delay prevents sudden changes in the water
supply pressure from causing the burner to
briefly operate although no water is drawn off.
3-C5 Delay of DHW mode (solar mode) • 0 (not active) ... 50 seconds DHW mode will be suppressed until the DHW
temperature sensor detects if the water
preheated by solar energy has reached the
desired DHW temperature.
▶ Set the DHW mode delay according to the
system conditions.
3-C6 Time between DHW mode and change
to heating mode
•0 … 1 ... 30 minutes After hot water has been drawn, the device
remains in DHW mode for the set time.
3-C8 Thermal desinfection • OFF
•ON
With thermal disinfection activated, when
drawing hot water the water is heated 70 °C for
a duration of 10 minutes.
After 10 minutes or after drawing hot water 3
minutes long, the thermal disinfection ends
automatically.
3-CA DHW Mode • 0: comfort mode, the device is continually kept at
the set temperature.
• 1: ECO mode, only heat-up to the selected
temperature when hot water is being drawn.
• 3: intelligent
Short waiting time in comfort mode, when
domestic hot water is extracted. The device
therefore switches on, even if no domestic hot
water is extracted.
3-d1 Pump characteristic • 0: Pump output proportional to the heat output
• 1: constant pressure 150 mbar
• 2: constant pressure 200 mbar
• 3: constant pressure 250 mbar
• 4: constant pressure 300 mbar
• 5: constant pressure 350 mbar
• 6: constant pressure 400 mbar
▶ In order to save energy and reduce any flow
noise, set a low pump curve ( sec 13.5,
page 59).
3-d2 Pump control mode • OFF
•ON
• ON: Save energy: intelligent shutdown of
heating pump for heating systems with
weather-compensated controller. The
heating pump is only switched on if required.
3-d3 Min. output of the heating pump • 10 ... 100 % Pump output at minimum heat output. Only
available with pump characteristic 0.
3-d4 Max. output of the heating pump • 10 ... 100 % Pump output at maximum heat output. Only
available with pump characteristic 0.
3-d6 Overrun time of the heating pump in
heating mode
•1 … 2 … 60 minutes
• 24 hours
The pump overrun begins at the end of the heat
demand by the heating controller.
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