Buderus Logamax plus GB142-24 Servicing Instructions page 16

5 Function
page 15
0
Operating code.
The boiler is in ready mode,
there is no heat request.
Start of pump post purge time via the heating
system. Pump post purge time in line with
"Settings" menu.
See page 12 and page 20.
Factory default setting: 5 minutes.
Has the pump post
purge time expired?
The primary circulation pump stops.
Has the primary
circulation pump been off for
more than 24 hours?
The primary circulation pump is run for
10 seconds to prevent it from seizing up.
Have ten seconds
passed or was the power supply
interrupted?
16 Logamax plus GB142-24/30/45/60 - We reserve the right to make any changes due to technical modifications!
2
H
no
yes
5
page 18
no
yes
no
yes
Is
the
temperature
there a heat
in the hot water
request from the
no
tank at least
room or outdoor
9 °F (5 K)lower than the
temperature-
temperature set
dependent
on the BC10
regulator?
or RC?
yes
3
page 17 page 19
Is
the
temperature
there a heat
in the hot water
no
request from the
tank at least
room or outdoor
9 °F (5 K) lower than
temperature-
the temperature set
dependent
on the BC10
regulator?
or RC?
yes
3
page 17 page 19
Is
the
temperature
there a heat
in the hot water
no
request from the
tank at least
room or outdoor
9 °F (5 K) lower than
temperature-
the temperature set
dependent
on the BC10
regulator?
or RC?
yes
3
page 17 page 19
Is
no
yes
6
Is
no
yes
6
Is
no
yes
6