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Inspection and maintenance
11.12.2 Fitting the fan
▶ Slide the fan under the threaded stud protruding on the underside of
the slide. Lower the fan in the front area a little and insert a new
gasket [1] in the intended groove of the slide.
▶ Secure the fan to the carriage using all 4 screws.
1
Fig. 74 Replacing the fan/carriage gasket
▶ Once the fan has been installed, check the gasket for correct seating.
11.12.3 Fitting the ventilation air collector and air/gas ratio control
valve
▶ Secure the mounting plate on the fan. Position the rear semi-shell of
the ventilation air collector on the studs of the mounting plate and
push the fan inlet over the studs towards the semi-shell, then secure
it.
▶ Push the air intake worm onto the studs, so that the marking points
upwards.
When fitting the air intake worm, ensure that the marking points upwards
▶ Secure the front semi-shell with clips to the ventilation air collector.
▶ Push the compensation hose onto the ventilation air collector.
▶ Fasten the air/gas ratio control valve with the nozzle plate to the
studs.
11.12.4 Installing the burner
DANGER
Danger to life through escaping flue gas!
▶ During installation, look out for faulty gaskets and ensure they are
seated correctly. Replace faulty gaskets.
▶ Replace the gaskets as described ( Chapter 11.11.4, page 48).
▶ Insert the gasket on the top of the carriage.
▶ Insert the O-ring on the front section.
▶ Push the mixture manifold in the combustion chamber via the
installation aid. In doing so, take care that the gasket in the slide is not
damaged and check the correct fit in the groove (if necessary, check
the correct fit using a torch).
▶ Screw in the screws on the mixture manifold / slide (maximum
tightening torque: 15,5±10%).
50
▶ Remove the installation aid.
2
Fig. 75 Install the mixture manifold with burner rod using the
installation aid
[1]
Installation aid
[1.1] Storage of the installation aid when not used
[2] Screws on the mixture manifold / slide (4x)
[3] Gasket (O-ring) in the front section
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[4] Indicator window
▶ After removal of the installation aid, push the slide with mixture
manifold and fan on the 4 studs towards the front section.
▶ Installing the gas pipe on the air/gas ratio control valve.
▶ Install the mixture manifold on the front section using 4 nuts
(maximum tightening torque: 10-12). In doing so, take care that the
insulation is not trapped between the mixture manifold and front
section.
Observe the correct fit of the gasket (O-ring).
There is an indicator window on the top of the flange which allows a
check to be carried out from the outside to determine whether the gasket
is inserted (Fig. 75).
▶ Plug all electrical connecting leads into the air/gas ratio control valve
and fan, and the plug-in connections into the electrode block.
▶ Attach the temperature switch / burner controller connecting cable
to the mixture manifold (Fig 47).
3. 3. 3.
2. 2. 2.
Condens 7000 FP – 6721846699 (2022/12)
1.1
3
1. 1. 1.
1
4
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