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Chimney
CAUTION
The RGA 100 is only deemed CE tested and ap-
proved when used with the coaxial chimney de-
scribed in "Accessories".
▷ Do not exceed the maximum length (5 m) of
the chimney.
▷ The design of the chimney depends on the prem-
ises and the roof construction.
▷ Various chimney elements for individual appli-
cations can be supplied, see page 21 (Ac-
cessories).
▷ The wall mounting bracket cannot be installed in
the correct position until the chimney has been
selected.
Siphon connection
DANGER
Risk of poisoning!
–
If the RGA 100 is operated without a siphon
or with an empty siphon, toxic flue gases may
escape. If the RGA 100 is operated without a
siphon, the opening must remain unobstructed.
▷ A siphon must be connected before initial com-
missioning. This prevents the escape of toxic
flue gases and will also collect any condensate
contained in the flue gas.
▷ The siphon is not included in the delivery and
must be ordered separately for the nominal
diameter of 17.5 mm.
▷ Fill the siphon with water before initial commis-
sioning.
▷ If large volumes of condensate are discharged,
we recommend that an additional drain pipe is
connected to the siphon.
▷ If the heater has not been used for a lengthy
period, the siphon must be checked, cleaned
and filled with water before commissioning.
• Unscrew the siphon, remove it and fill it until
water flows out of the side drain.
• Secure the siphon again and ensure that the seal
is correctly positioned.
RGA100_NF.indd 3
Connecting the gas supply
▷ The RGA 100 is set to the correct gas type as
specified in the purchase order.
▷ If you wish to use a different gas type, see
page 3 (Changing the gas type).
1 Disconnect the system from the electrical power
supply.
2 Shut off the gas supply.
3 Remove the sealing plug from the gas inlet on
the combination control on the underside of the
RGA 100.
4 Connect the gas pipe with an Rp ¾" threaded
connection or gas hose with an Rp ¾" connector,
see page 21 (Accessories).
▷ Use approved sealing material only.
5
6
Changing the gas type
▷ If you wish to use a gas type other than the one
specified in the purchase order, the RGA 100
must be adjusted to the new gas type, see
page 10 (Adjusting the heater).
▷ Then seal the gas pressure setting.
▷ Note the new gas type on the type label with a
waterproof pen.
GB-3
13.09.20 23:10
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