Setting The Pump Post-Purge Period - Buderus logamax plus gb142-24 Installation Manual

10.3.4 Setting the pump post-purge period

A pump must be connected to PK (see fig. 29, pos. 7) of the
external connection board in order to be able to set the
pump run over time.
CAUTION
– Set the boiler primary pump post-purge
period to 24 hours if the heating system is
controlled by room temperature sensor and
there is a risk of parts of the heating system
that are outside the coverage of the room
thermostat freezing (e. g. radiators in a
garage; constant circulation).
Press and hold the "Chimney Sweep"
e
buttons until the display shows "L--".
e
Press the "Service"
The heating system has been factory-set to a pump post-
purge period of 5 minutes.
Press the "Chimney Sweep"
set the pump post-purge period. The pump post-purge
period can be set from 5 – 60 minutes (F 5 - F60) or to
24 hours (F1d).
e
Press the "Service"
NOTICE
On thermostat only systems a 5 to 10 minute
post-purge setting is recommended to purge
heat from the boiler.
We reserve the right to make any changes due to technical modifications!
Installation instructions Logamax plus GB142-24/30/45/60 • version 10/2007
d
and "Service"
button. The display shows "F05".
d c
or "Reset" buttons to
button to confirm the setting.
BC10 basic controller
+
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Buderus • http://www.buderus.net
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