Buderus Logamax plus - Check and Adjust the Gas;Air Ratio; Function Check

Maintenance 12
Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements! 71
z Refit the condensate collector and make sure that the
two retaining clips close smoothly. If this is not the case,
the seal between the condensate collector and the flue
pipe at the rear side of the heat exchanger may be
leaking.
z Connect the flexible condensate drain hose to the
condensate collector.
z Re-install the condensate trap.
z Rinse the heat exchanger with clean water.
z Reassemble all boiler components in reverse order:
– Burner with burner seal
– Burner cover with fan and gas valve
– Gas valve
– Glow ignitor and ionization electrode.
z Start up the boiler (see chapter 9 "Start-up procedure",
page 45).
12.4 Check and adjust the gas/air ratio
See paragraph 9.8: "Check and adjust the gas/air ratio" on
page 52.
12.5 Function check
z Slowly open the gas valve by pushing on the gas valve
and turning it ¼ rotation in an counterclockwise direction.
z Switch ON the heating system by pressing the main
switch on the BC10 basic controller (fig. 95, pos. 1).
z Set the space heating water temperature knob (fig. 95,
pos. 8) and the DHW temperature knob (fig. 95, pos. 10)
to the maximum temperatures.
z Enter a heat demand via the control unit and check that
the boiler starts the heating mode.
z Open a hot water tap and check that the boiler starts the
DHW mode.
z Set the space heating water temperature knob (fig. 95,
pos. 8) and the DHW temperature knob (fig. 95, pos. 10)
to the required temperatures.
Fig. 95 BC10 basic controller
888
1
123 456
11
10 98
7
110
140
130
120
90
100
130
170
150
90
110
190