Bosch Condens 8300i W Installation And Maintenance Instructions Manual page 33

Service function
4-b3 End point of the heating curve for
weather-compensated control
4-b4 Base point of the heating curve for
weather-compensated control
4-b5 Device frost protection
4-b6 Frost threshold temperature
4-C1 Maximum temperature in the solar
cylinder
4-C2 Solar pump speed control
4-C3 Solar module active
4-d2 Min. pressure
4-d3 Target pressure
4-F1 Reset device to basic setting
4-F2 Reset service display
Table 20 Menu 4: settings
Menu 5: Limit values
▶ Press the ( key and * key simultaneously until the display shows
L.1.
▶ Press the  key repeatedly until L.5 appears.
▶ To confirm the selection: press OK key.
▶ Selecting and setting the service function.
Service function
5-A1 Maximum flow temperature
5-A2 Maximum DHW temperature
5-A3 Minimum output (heating and DHW)
Table 21 Menu 5: limit values
Condens 8300i W – 6721841533 (2022/12)
Settings/adjustment range
• 20 ... 90 °C
• 20 ... 90 °C
• OFF
• ON
• 0 ... 5 ... 10 °C
• 20 ... 60 ... 90 °C
• 0: No
• 1: PWM
• 2: 0‒10 V
• OFF
• ON
• 0.6 ... 0.8 bar
• 1.0 ... 1.3 ... 1.7 bar
• NO: settings are retained
• YES: device is reset to factory settings
• NO
• YES
The factory settings are depicted as highlighted in the following table.
Settings/adjustment range
• 30 ... 88 °C
• 35 ... 60 ... 80 °C
• GC8300iW 25 P: 10 ... 50 %
• GC8300iW 35 P: 15 ... 50 %
Settings in the service menu
Remark/restriction
This service function is only available if service
function 4-b1 is activated.
Set flow temperature for an outside temperature
of ‒10 °C.
This service function is only available if service
function 4-b1 is activated.
Set flow temperature for an outside temperature
of +20 °C.
This service function is only available if service
function 4-b1 is activated.
The device frost protection function switches the
burner and heating pump on when the outside
temperature falls below the temperature set in
the service function 4-b6. This prevents the wall
mounted boiler freezing.
This service function is only available if service
function 4-b1 is activated.
Only available if the solar module is activated.
Temperature at which the solar cylinder can be
charged.
Only available if the solar module is activated.
Only available if the solar module is detected.
Remark/restriction
Limits the adjustment range for the flow
temperature.
Limits the adjustment range for the domestic hot
water temperature.
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