eta EEP 130, Operating Instructions Manual

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Installing flue gas recirculation Installation
Fasten the separate earthing cable (6 mm²) of
the precipitator to a nut on the boiler flue gas
connection using a lock washer.
Fig. 5-4: Earthing cable
WARNING!
Earthing of the boiler is required
Separate earthing is required for the boiler.
To do so, a connection must be established
between the boiler and the structural
potential equalisation in the boiler room
(minimum cross-section 6 mm²).
5.3 Installing flue gas recirculation
Mount flue gas recirculation
The following steps are only required if the boiler
is equipped with flue gas recirculation.
Before starting installation, dismantle the existing
piping for the flue gas recirculation on the back of the
boiler. Fasten the vertical flue pipe with the supplied
seal to the lower duct.
Fig. 5-5: Vertical flue pipe
Use a pipe clamp to mount the joint for the flue gas re-
circulation onto the precipitator. Only hand-tighten the
screws of the pipe clamp.
Fig. 5-6: Joint