Buderus GB162 User Instructions page 29

Settings menu
[l/?/?| modulation rate. Adjust as follows, or press
Lower:Decrease the modulation rate with the
[l/3/6| = 36 % with an 80-kW boiler and [l/3/0| = 30 % with a 100-kW boiler.
Higher: Increase the modulation rate with the
[l/?/?| = 100 %. This is equal to the factory setting.
[f/\/5| Pump run-over time in minutes (starts when the heating mode has ended).
e
Adjust as follows or or go to the next step:
Lower: Decrease the time with the
The minimum setting is [f/\/0| = 0 minutes. The factory default setting is 5 minutes.
CAUTION Do not set the post purge time to less than 5 minutes.
Higher: Increase the time with the
The maximum setting is [f/6/0| = 60 minutes or [f/1/d| = 24 hours.
Table 7 Settings (continued)
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Operating and error messages
e
:
c
button. The minimum setting is
d
button. The maximum setting is
c
button.
d
button.
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