Maintenance and service
830 ES – 6 720 644 936 (2021/08)
56
7.5 Program values
This section describes details on programming the appliance.
For most applications the factory default values will provide
robust and stable operation. Only adjust the factory settings if
the installation requires changes as indicated in the
appropriate section of this manual.
Refer to chapter 7.6 Control board diagnostics (page 57)
regarding how to access these P-modes.
CAUTION:
Appliance malfunction!
▶ Misadjusted program values can lead to appliance
malfunction, errors, and service calls.
Table 37 Program values, factory default settings and ranges.
Program Description Factory Default MIN MAX Comment
P1 Maximum Power NG: 48,
LP: 40
21 NG: 49,
LP: 41
See chapter 4.14, page 46
note: reducing P1 values below maximum will reduce
maximum power of the appliance.
P2 Minimum Power 7 7 20 see chapter 4.3.8, page 30
P3 Remote
Controls installed
_0 _0 6 see chapter 6.5, page 50
P4 Access to
Diagnostic Mode
E 0d 10f see chapter 7.6, page 57
P5 Cascade Mode NO NO CC contact Bosch for details
P6 Temperature Unit °F °F °C
P7 Gas type selection LP or NG Preset from factory.
Contact Bosch for details.
P9 Fan Purge Runs secondary fan and primary fan when P9 is
selected by depressing the “P” - button
PH Cascading type IC IC SC This menu is only available when cascade mode is
selected CC.
Contact Bosch Water Heating for details.
PC Primary/Secondary
mode
CS CS Cn
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