3Checking The Co2 Setting Under Full Load; Switching The Status Display On The Bc10 To Show The Boiler Temperature Status; Returning To Operating Mode From The Flue Gas Test; Recording Actual Values - Buderus Logano plus GB402 Installation And Maintenance Instructions Manual

7.10.3 Checking the CO
(70-80 %)
B Press
to increase the boiler output in percent.
B Read off load at the RC35 or via the service key.
B Wait until at least 70-80 % of the load has been
reached.
B Recheck the CO
content and correct if required
2
( Chapter 7.10.1).
Fig. 35 Accessing full load at the BC10
7.11 Switching the status display on the
BC10 to show the boiler
temperature status
B Press
to change to the next status display.
The current operating pressure P1.7 is displayed.
B Press
to change to the next status display.
Operating status 0Y (display code) is shown.
B Press
to change to the next status display.
The boiler temperature is displayed.
7.12 Returning to operating mode from
the flue gas test
B Press
again to terminate the flue gas test.
B Return to operating mode on the RC35.
B Close the flap on the RC35.
B If the boiler is designed for operation with the
Logamatic 4000 control system, remove the RC35
again. Starting the Logamatic 4000 control system.
Logano plus GB402 - Subject to technical modifications!
setting under full load
2
Commissioning the heating system

7.13 Recording actual values

B Carry out the following tests at a test port in the boiler
flue connection and enter the results in the
commissioning report (
– Draught
– Flue gas temperature t
– Air temperature t
L
– Net flue gas temperature t
– Carbon dioxide content (CO
or oxygen content (O
– CO value
Fig. 36 Recording actual values
1 Position of the test port in the flue
7.13.1 Draught
The required draught for the installed balanced flue
system must not exceed 100 Pa (1.0 mbar).
DANGER: Risk to life from toxic flue gases
escaping.
B Only operate the boiler with a chimney or
flue gas system (
7.13.2 CO value
CO values in an air-free state must be below 400 ppm or
0.04 % vol.
Values above 100 ppm indicate and incorrect burner
adjustment, incorrect appliance setup, burner and/or heat
exchanger contamination or burner faults.
B Identify and eliminate the cause.
Chapter 7.18):
A
- t
A L
)
2
)
2
Tab. 3, page 11).
7
35