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Set-up version 8
The ROTEX A1 is connected by the SET A or SET B to a ceramic
chimney.
– The combustible air supply from the outside runs through a
separate air supply line through the external wall.
– Ceramic chimney for flue gas removal must be moisture-
insensitive (Class W) and suitable for overpressure operation
(Class P1 or H1), as well as having an appropriate construc-
tional approval or CE approval with a declaration of conform-
ity.
– If the ceramic chimney for the flue gas discharge does not
have an approval for overpressure operation, it must be pos-
sible to prove, using a flue gas calculation, that there is neg-
ative pressure in the shaft when the flue gas enters.
4.2.3 Ambient air dependent operation
The ROTEX A1 can also be connected in a manner dependent
on ambient air. Thereby, only the inner flue gas pipe (plastic pipe
Ø 80 mm) of the concentric air-flue gas pipe is connected to the
flue gas line. The device sucks the combustible air from the in-
stallation room through the ring-shaped gap of the jacket pipe.
For the flue gas routing to the outdoors, the shaft sizing and the
rear ventilation, the same conditions apply as in section 4.2.2.
A ventilation opening to the outside of 150 cm
In some cases, the resonance in the flue system can
amplify the noise at the mouth of the flue gas pipe. The
noise level can be effectively reduced with the applica-
tion of a silencer (E8 MSD,
E11 MSD,
15 45 79).
Air suction noises are generated during ambient air-
dependent operation. The noise level can be effectively
reduced with the application of a silencer
(G ZLSD,
15 45 77).
Set-up version 2
– Combustion air supply from the installation room.
– Flue gas dissipation to the outdoors is via the chimney or an
installation shaft (such as Set-up version 1).
Set-up version 7
The ROTEX A1 is connected by the SET A or SET B to a ceramic
chimney.
– Combustion air supply from the installation room.
– Ceramic chimney for flue gas removal must be moisture-
insensitive (Class W) and suitable for overpressure operation
(Class P1 or H1), as well as having an appropriate construc-
tional approval or CE approval with a declaration of conform-
ity.
– If the ceramic chimney for the flue gas discharge does not
have an approval for overpressure operation, it must be pos-
sible to prove, using a flue gas calculation, that there is neg-
ative pressure in the shaft when the flue gas enters.
FA ROTEX A1 BGe - 02/2014
4.3 Transport and delivery
The ROTEX A1 is delivered on a pallet. All industrial trucks, such
as lifting trucks and forklift trucks, are suitable for transporting it.
Scope of delivery
– ROTEX A1 BG (preassembled),
– Document pack,
– Toolkit (cleaning brush and scraper, burner chamber span-
Recommended accessory
– Safety group (SGB A1,
– Connection kit A1 (VSA1,
2
is imperative.
Additional accessories see ROTEX price list.
4.4 Installing the condensing boiler
15 45 78 bzw.
4.4.1 Selecting the installation site
The installation location for the ROTEX A1 must meet the fol-
lowing minimum requirements.
Installation height
– The bottom edge of the condensate drain connection on the
Installation area
– The base is solid, even and horizontal, and has sufficient load
– Observe the set-up dimensions (see section 4.1).
Installation room in general
– There are no special conditions for ventilation of the installa-
– In the event of limited room-air independent operation (sepa-
– For partial ambient air-independent and for ambient air-
The minimum height of the flue gas pipe must be 2 m in order
to avoid malfunction at start or during operation of the burner.
4
x
Set-up and installation
CAUTION:
Lifting or pushing the condensing boiler on the
cladding can damage the unit.
Lift the ROTEX A1 only on the carrying straps
provided for this purpose.
ner, hexagonal spanner for burner and heat exchanger).
safety valve, automatic bleeding, filling cock, connection fit-
tings).
nection of a heat exchanger (storage tank temperature sen-
sor, 3-way diverter valve with actuating motor, connection fit-
tings).
unit must be higher than the outlet height of the condensate
drainage hose, otherwise condensation can accumulate in
the drain.
If installing with adjacent storage tank, the boiler must be
installed on a plinth at least 80 mm high or a boiler support
frame (KU,
15 30 21).
bearing strength. Install a pedestal if necessary.
tion room for operation independent of the ambient air (using
a concentric air/flue system).
rate flue gas/ air intake) and in the event of room-air depend-
ent operation, the installation room must have a ventilation
2
opening of at least 150 cm
goes via an installation shaft to the outside, it must be rear
ventilated (see section 4.2.2).
dependent mode, the installation room must be free from
aggressive vapours (e.g. hair spray, perchloroethylene, car-
bon tetrachloride), heavy dust formation and high atmos-
pheric humidity (e.g. washhouse).
15 60 18) with pressure gauge,
15 48 22), for hydraulic con-
to the outside. If the flue gas line
13
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