Carrying Out Additional Tasks; Carrying Out A Flue Gas Test; Selecting Partial Load Operation (E. G. During Flue Gas Testing); Switching The Heating System To - Buderus Logamax plus GB142-24 Installation And Servicing Instructions

BC10 basic controller

10.2 Carrying out additional tasks

10.2.1 Carrying out a flue gas test

The "Chimney Sweep"
test.
The heating control system works at the maximum flow
temperature for 30 minutes. This is set on the BC10
basic controller using the "maximum heater tempera-
ture" knob. During flue gas testing the decimal point
lights up in the display.
Press and hold the "Chimney Sweep"
(< 5 seconds) until the decimal point is displayed.
Carry out the flue gas test.
Press the "Chimney Sweep"
flue gas test.
10.2.2 Selecting partial load operation (e. g. during
flue gas testing)
You can operate the appliance at a reduced appliance
capacity during flue gas testing. This reduction is only
effective for the duration of the flue gas test.
Press the "Chimney Sweep"
2 seconds) until the decimal point shows in the status
display. This will switch on the flue gas test.
Press and hold the "Chimney Sweep"
"Service" buttons (for approx. 5 seconds) to enter
the partial load mode.
Press the "Reset"
capacity percentage.
Example: appliance capacity reduced to 50 % of the
rated appliance capacity.
Press the "Chimney Sweep"
the appliance capacity percentage.
When test is completed, press the "Service"
button until the temperature indication is displayed.
Press the "Chimney Sweep"
decimal point is cleared from the display.
10.2.3 Switching the heating system to manual
mode
In manual mode the heating system can be operated
independently of an external control unit. The appliance
is operated with the heating system temperature set on
the right knob serving as the target value.
A blinking decimal point is displayed while manual mode
is active.
Press the "Chimney Sweep"
5 seconds) until the decimal point in the status
display flashes.
We reserve the right to make any changes due to technical modifications!
Installation and Servicing Instructions Logamax plus GB142-24/30/45/60 • Version 12/2004
button is used for the flue gas
button
button to interrupt the
button (max.
and
button to reduce the appliance
button to increase
button until the
button (for more than
+
Buderus Hydronic Systems • http://www.buderus.net
10
39