Bosch Condens 7000 FP - Page 41

Inspection and maintenance
41
Condens 7000 FP – 6721846699 (2022/12)
 Remove the 4 Screws on the mixture manifold / slide (Fig. 50).
 Remove the mixture manifold with burner rod and put down stably on
the footprint; protect against contamination and damage
(Fig. 51).
Fig. 51 Remove the mixture manifold with burner rod and put down
[1] and 1.1 insertion aid
[2] Screws on the mixture manifold / slide (4x)
[3] Handle and footprint on the mixture manifold
Remove the burner for maintenance purposes
 Remove the 4 fixing nuts (Fig. 49, [4]) at the top on the mixture
manifold.
 Undo the connecting cable on the ignition transformer (Fig. 49,
[5]).
 Undo the temperature switch / burner controller connecting cable on
the mixture manifold (Fig. 47).
 Remove the plug screw on the air/gas ratio control valve (Fig. 52).
 Remove the hoses on the differential pressure sensor (Fig. 52).
 Remove the 4 screws on the flange of the gas pipe (Fig. 52).
 Remove the O-ring on the guide pins of the burner sled (Fig. 52).
 Unplug the plug on the fan (Fig. 53).
 Carefully remove the entire burner and put down stably on the
footprint [3] of the mixture manifold (Fig. 51) and protect against
damage.
Fig. 52 Removing the burner
Fig. 53 Unplug the plug from the fan
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1
1.1
3
1.1.1.
2.
2.2.
4.
4.4.
2
3.3.3.
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