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InSTaLLaTIOn
3.4
Condensate discharge and neutralisation
Condensate from gas condensing boilers must be fed in-
to the public sewer system or separate waste water treat-
ment plant in accordance with the relevant regulations
and - where prescribed - must first be neutralised.
Please comply with the instructions of the re-
sponsible local waste water authorities.
In Austria:
Please observe the planning guidelines for condensing ap-
pliances economisers for furnace installations in ÖNORM
H 5152 and especially those of the ÖVGW (G 41).
It is important to contact the relevant authority before plan -
ning and installing the boiler system, to ensure that the
con densate drain is planned and installed in accordan ce
with the regulations.
The siphon drain pipe must be directed into
a funnel.
≥
20 mm
Kondensatablei
tung
Kanalisation
Wärmeerzeuger
3.5
Gas connection
!
WARNING
The installation of the gas pipeline and first
placing in operation must be carried out by a
recognised expert.
The regulations applicable in the respective countries
(ÖVGW guidelines, DVGW- TRGI, DIN 4750) and the re
-
quirements imposed by the relevant local gas company
must be complied with.
A manual shut-off device (gas shut-off valve) in accord
-
ance with local requirements must be installed directly
upstream of the boiler. Please ask your local gas compa-
ny whether it is mandatory to fit an approved gas filter be
-
tween the manual shut-off device and the boiler to avoid
malfunctions as a result of dirt particles in the gas.
In Germany, some local building regulations require the
installation of a thermally triggered shut-off valve directly
in front of the boiler. Please contact your local building
authority for details of the applicable regulations.
!
WARNING
It is imperative to check all gas-carrying pipe-
lines for leaks before initially placing the boil-
er in operation.
3.6
Electrical connection
WARNING
The heat generator can only be de-energised
by disconnection from the mains (e.g. all-
pole switch).
WARNING
All electric power supply circuits must be
switch ed off before accessing the terminals.
CAUTION
The electrical connection (sensors, pumps
and all other devices and components to be
con nec ted) must be connected in accordan-
ce with the applicable standards of nationally
or internationally recognised professional as-
sociations.
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