Entering Heating Contractor Contact Details; Checking The Gas Type; Gas Type Conversion (Only For Operation With Lpg); Checking The Static Pressure And Supply Pressure - Viessmann Vitodens 222-F Installation And Service Instructions For Contractors

Entering heating contractor contact details

The system user can call up contact details when
required and notify the heating contractor.
1. Tap "Menu".
2. Select "Settings".

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.

Gas type conversion (only for operation with LPG)

1. Turn on the ON/OFF switch
2. To change the gas type on the control unit, see
"Commissioning the system with the commission-
ing assistant"

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.
.
8
Commissioning, inspection, maintenance
3. Select "Input, service contact details".
4. Fill in each field and confirm with OK.
■ 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).
3. Affix label "G31" (supplied with the technical docu-
mentation) adjacent to the type plate on the cover
panel.
35