10 | Gas connection for gas units
80.06.070_iCombiPro-iCombiClassic_IM_en-GB 83 / 108
DANGER
Changes on components with sealing paint
Risk of injury and damage when changing components sealed with paint.
n
Do not change components with sealing paint (exception: CO
2
screw).
n
In the event of damage to the sealing paint, the affected components must
be replaced before the unit is put into operation.
10.1 Regulations for gas connection
NOTICE
Connection flow pressure exceeded
A connection flow pressure above 65 mbar [0.94 psi] will lead to the unit
malfunctioning and the gas components being damaged.
n
Adhere to the maximum connection flow pressure for natural gas of 21
mbar [0.44 psi].
n
For LPG, adhere to the maximum connection flow pressure of 37 mbar
[0.84 psi].
n
Adhere to the general maximum connection flow pressure of 65 mbar
[0.94 psi].
n
If the pressure is higher, block the gas supply to the unit and do not
commission the unit.
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National Fuel Gas Code, ANSI Z223.1/NFPA 54 and the Natural Gas and
Propane Installation Code, CSA B149.1
Requirements for gas type and gas pressure
n
Check that the factory gas setting on the unit corresponds to the actual local
gas supply conditions.
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