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Commissioning, inspection, maintenance
Entering contact details of heating contractor
4. Fill in the fields and confirm each with
Checking the gas type
The boiler is equipped with an electronic combustion
controller that adjusts the burner for optimum combus-
tion in accordance with the prevailing gas quality.
For operation with natural gas, no adjustment is
■
therefore required across the entire Wobbe index
range. The boiler can be operated within the Wobbe
index range 9.5 to 15.2 kWh/m
54.7 MJ/m
3
).
For operation with LPG, the gas type needs to be
■
changed on the control unit (see following chapter).
Converting the gas type (only for operation with LPG)
1. To change the gas type on the control unit, see
"Commissioning the system with the commission-
ing assistant"
Note
No mechanical adjustments are made to the gas
solenoid valve.
38
.
3
(34.2 to
(cont.)
1. Determine the gas type and Wobbe index by ask-
ing your local gas supply utility or LPG supplier.
2. Record the gas type in the service report.
2. Affix label "G31" (supplied with the technical docu-
mentation) adjacent to the type plate on the out-
side of the appliance.
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