35
The system user can call up contact details when
required and notify the heating contractor.
1.
Tap
"Menu"
.
2.
Select
"Settings"
.
3.
Select
"Input, service contact details"
.
4.
Fill in each field and confirm with
OK
.
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.
■
For operation with LPG, the burner must be conver-
ted (see following chapter).
Gas type conversion (only for operation with LPG)
1.
Turn on the ON/OFF switch
8
.
2.
To change the gas type on the control unit, see
"Commissioning the system with the commission-
ing assistant"
3.
Affix label "G31" (supplied with the technical docu-
mentation) adjacent to the type plate on the cover
panel.
Checking the static pressure and supply pressure
Danger
CO formation as a result of incorrect burner
adjustment can have serious health implications.
Always carry out a CO test before and after
work on gas appliances.
Operation with LPG
Purge the LPG tank twice on commissioning or
replacement. Vent the tank and gas connection line
thoroughly after purging.
Commissioning, inspection, maintenance
Entering heating contractor contact details
5778741
