Rational LM1 Series - Gas Connection Regulations and Pressure

10 | Gas connection for gas units
70 / 92 80.06.070_iCombi Pro-iCombi Classic_IM_V01_en-GB
10 Gas connection for gas units
This section only applies to gas units.
DANGER
Fire due to incorrect gas connection
Danger to life due to fire from an incorrect gas connection.
n
Follow local regulations of the gas supply company.
n
Check the type of gas available and the dynamic connection pressure
against the values specified on the unit.
DANGER
Permissible CO/CO
2
values exceeded
Risk of poisoning due to excessive CO/CO
2
values because of incorrect
burner settings.
n
Always perform a flue gas analysis when commissioning gas units.
n
Document the flue gas values.
n
It is recommended that the installation site be equipped with a CO gas
detector.
DANGER
Increased CO values due to wrong gas type
Risk of poisoning due to connection of wrong gas type
n
Only connect the unit to the gas type stated on the unit type plate.
n
Check the type of gas available and the dynamic connection pressure
against the values specified on the unit.
n
It is recommended that the installation site be equipped with a CO gas
detector.
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.