Gas Connection Regulations - Rational iCombi Pro Original Installation Instructions

10 | Gas connection for gas units
Changes on components with sealing paint
Risk of injury and damage when changing components sealed with paint.
Do not change components with sealing paint (exception: CO
n
In the event of damage to the sealing paint, the affected components
n
must be replaced before the unit is put into operation.

10.1 Gas connection regulations

Exceeding the connection flow pressure
A connection flow pressure above 65 mbar [0.94 psi] causes a failure of the
unit and damage of gas components.
For natural gas, maintain the maximum connection flow pressure of 30
n
mbar [0.5 psi].
For liquid gas, maintain the maximum connection flow pressure of 58
n
mbar [0.84 psi].
Observe the maximum connection flow pressure of 65 mbar [0.94 psi].
n
If the pressure is higher, turn off the gas supply to the unit and do not
n
carry out any commissioning.
National Fuel Gas Code, ANSI Z223.1/NFPA 54 and the Natural Gas and
n
Propane Installation Code, CSA B149.1
Requirements for gas type and gas pressure
Check that the ex-works gas setting on the unit matches the actual condi-
n
tions for the local gas connection.
80 / 100
DANGER
NOTE
80.06.083_iCombiPro-iCombiClassic_IM_en-US
screw).
2