EN
18
Installation
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4.4.4 Special assembly instructions for gas
cooktop CKG
XX
Please note the local regulations and connection requirements
applicable to gas cooktops.
XX
Before connecting the appliance, check that the appliance
settings comply with local connection requirements
(gas type and pressure).
i
Minimum requirement for operating gas cooktop CKG:
System software 03.00 (or higher)
XX
If necessary, retrieve the installed software version
(see operating instructions, Menu chapter, Retrieving the
software version).
XX
Update the system software if necessary (see operating
instructions, Menu chapter, Updating the system software).
i
Minimum clearance of 650mm between the worktop and
wall unit in the case of gas devices.
i
On recirculation systems, a return flow aperture of at
least 1,000 cm² must be provided for each air cleaning
unit.
i
Ensure sufficient ventilation.
i
Taking into account the applicable valid regulations,
the cooktop must be connected to the gas line with an
upstream stopcock.
i
The gas supply pipe can be connected after the gas
cooktop has been installed.
i
The hose connection must be laid in such a way that it is
not subject to deformation, buckling or abrasion.
i
The stopcock and gas supply pipe connections must be
accessible.
i
It must be possible to inspect the entire length of the
hose line once installed.
i
Only compatible connection pieces are to be used for the
hose line.
i
The pressure regulator must correspond to the set gas
type and set gas pressure and must meet local and legal
requirements.
i
The gas connection hose line must not come into contact
with smoke or the flue outlet of an oven.
i
The hose line must not come into contact with hot
surfaces on the cooktop or other devices.
i
The gas hose must be inspected every 5 years and
replaced if necessary. The gas hose must meet the
requirements of EN14800.
4.4.3 Recirculation when using the cooktop
extractor as a recirculation system
In the case of recirculation systems there must be a return flow
aperture in the kitchen units:
XO
> 500 cm² (per air cleaning box) in combination with cooktops
CKFI, CKI, CKIW, CKCH, CKCB and CKT
XO
> 1000 cm² (per air cleaning box) in combination with gas
cooktop CKG
i
If several extractor systems are operated in recirculation
mode, the return flow aperture for each air cleaning box
must be calculated correspondingly. Example:
2 recirculation systems = 2 x (> 500 cm²) or
2 x (> 1,000 cm²) in the case of gas appliances
For recirculation, the necessary return flow aperture can be
created using a shortened plinth. A slatted plinth with at least
the minimum opening cross-section can also be used.
XX
Ensure that the return flow aperture is large enough.
45
1 32
Fig. 4.4 Recirculation design example (kitchen island +
cooktop + CKA2//CKA2AB + air cleaning unit)
[1] Cooktop
[2] Cooktop extractor CKA2/CKA2AB (recirculation)
[3] Air cleaning unit (ULB1, ULB3, ULBF)
[4] BORA plinth fan EC (ULS)
[5] Recirculation return flow aperture
(Total opening cross section per air cleaning unit ≥500 cm² or
≥1000 cm² in the case of gas cooktop CKG)
i
If the gas flame goes out, is excessively affected by the
extractor and/or the flame is not as it should be (e.g.
soot production, flame blowback, etc.), the return flow
aperture must be enlarged.
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