Bosch Condens 8300i W - Page 34

Settings in the service menu
Condens 8300i W – 6721841531 (2022/10)
34
Table 18 Menu 4: settings
4-b3 End point of the heating curve for
weather-compensated control
• 20 ... 90 °C This service function is only available if service
function 4-b1 is activated.
Set flow temperature for an outside temperature
of ‒10 °C.
4-b4 Base point of the heating curve for
weather-compensated control
• 20 ... 90 °C This service function is only available if service
function 4-b1 is activated.
Set flow temperature for an outside temperature
of +20 °C.
4-b5 Device frost protection • OFF
• ON
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.
4-b6 Frost threshold temperature • 0 ... 5 ... 10 °C This service function is only available if service
function 4-b1 is activated.
4-C1 Maximum temperature in the solar
cylinder
• 20 ... 60 ... 90 °C Only available if the solar module is activated.
Temperature at which the solar cylinder can be
charged.
4-C2 Solar pump speed control •0: No
• 1: PWM
• 2: 0‒10 V
Only available if the solar module is activated.
4-C3 Solar module active • OFF
•ON
Only available if the solar module is detected.
4-d2 Min. pressure • 0.6 ... 0.8 bar This service function is only available if service
function 4-d1 ON is activated.
4-d3 Target pressure • 1.0 ... 1.3 ... 1.7 bar This service function is only available if service
function 4-d1 ON is activated.
4-d4 Max. filling time • 5 ... 30 ... 240 s This service function is only available if service
function 4-d1 ON is activated.
4-d7 Reset filling • YES
• NO
This service function is only available if service
function 4-d1 ON is activated.
4-d8 Heating system type •Small
• Middle
• Large
Small: < 8 radiators
Middle: 8 – 15 radiators
Large > 15 radiators
4-d9 Manuel filling • YES
• NO
Only possible if the number of maximum fillings
has been reached. Before use, make sure that no
water escapes from the heating system.
4-F1 Reset device to basic setting • NO: settings are retained
• YES: device is reset to factory settings
4-F2 Reset service display • NO
•YES
Service function Settings/adjustment range Remark/restriction