Cleaning The Burner And Heat Exchanger; Removing The Burner - Buderus Logano plus GB312 Installation And Maintenance Instructions Manual

9
Inspection and maintenance
Calling up the service level of the RC35
programming unit and displaying the monitor data
B Press
+ +
SERVICE MENU.
B Turn rotary selector
diagnosis is selected (highlighted with
B Press
to open menu SERVICE/DIAGNOSIS.
B Turn rotary selector
value is selected (highlighted with
B Press
to open menu DIAGNOSIS/MON.
VALUE.
B Turn rotary selector
burner is selected (highlighted with
B Press
to open menu BOILER/BURNER.
The values monitored are displayed as a list; in other
words, more values might appear if the rotary selector
is turned.
B Check the "Current output" at the RC35 programming
unit.
B Wait until the "Current output" has reached 100 %.
B Check the differential pressure at the tester and
compare it with the value in Tab. 22.
If the actual pressure is higher than the value in the
table, clean the heat exchanger.
Boiler size
90 120 160
360 460 550
Tab. 22 Cleaning threshold - differential pressure in Pa
50
simultaneously to open menu
anti-clockwise until
).
anti-clockwise, until monitor
).
anti-clockwise, until boiler /
).
[kW]
200 240 280
530 540 560
9.7 Cleaning the burner and heat
exchanger
B Shut down the heating system (
page 42).
B Close the main shut-off valve or gas tap.
B Allow the boiler to cool down.
B Remove siphon (
Fig. 56, [1]) from the condensate
pan outlet ( Fig. 56, [2]) and place a bucket or pan
below.
Fig. 56 Removing the siphon
1 Siphon
2 Condensate pan
9.7.1

Removing the burner

B Undo all electrical plug-in connections [1, 2] from the
burner.
Fig. 57 Undoing electrical plug-in connections from the
burner
1 Ignition cable
2 Monitoring cable
Logano plus GB312 - Subject to technical modifications.
Chapter 7.1,