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• Always observe the accident prevention
regulations of the relevant employer's
liability insurers.
• Never use water or compressed air to
rinse or blow out burners!
3.1 Exclusion of liability
Renfert GmbH rejects any claims for
compensation as well as warranty claims in
case of:
• the product is used for any other purpose
than those mentioned in the instruction
manual
• the product is changed or amended in
any way beyond those mentioned in the
instruction manual
• the product is repaired by a non-autho-
rized party or the product is not fitted with
original Renfert replacement parts
• the product is used continuously
despite visible safety faults
4. Handling
The laboratory burner does not have a closed
position!
The flame of the Bijou Burner can be
preselected by means of the gas lever.
The play in the control elements is
intentional. It results from the prescribed
decoupling of valve and control element. This
guarantees that the valve is always activated
under identical conditions, which is essential for
operational safety.
A
Position A:
Ignition or pilot flame burns
Position B:
Main flame and ignition flame burn
Position C:
Main flame burns
When selecting positions A and C the gas lever
must always be moved all the way to the limit
stop so that, firstly, the position is quickly and
unambiguously identifiable if the burner goes
out and, secondly, to prevent any possibility of
flashback to the burner's jet.
4.1 Regulating the main flame
The burner's main flame can be regulated by
simply turning the knurled ring on the main
burner tube.
A smooth flame is produced by turning the
knurled ring upwards. The air feed is reduced
and the flame becomes smooth.
A harsh flame is produced by turning the knur-
led ring downwards. The air feed is increased
and the flame becomes harsh.
4.2 Regulating the pilot flame
A smooth flame, which burns very stably, is
produced by pushing the sleeve over the air-
feed holes of the small burner tube.
A harsh flame, which is, however, more easily
extinguished, is produced by pushing the slee-
ve away from the air-feed holes of the small
burner tube.
The ignition flame should be as stable, and
therefore as smooth, as possible in order
to ensure reliable burner operation. Adjust
the flame so that it cannot be extinguished
unintentionally.
B
C
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