Note On Commissioning, Inspection And Maintenance; Checking The Gas Type - Viessmann MatriX Service Instructions For Contractors

Commissioning, inspection, maintenance

Note on commissioning, inspection and maintenance

Product contains ceramic fibres
Danger
When working with high temperature insulating
materials that contain zirconium or aluminium
silicate ceramic fibres, fibre dust may
develop. This fibre dust can be harmful to
health.
Only trained personnel may adjust or replace
the insulation. Wear suitable protective clothing,
especially breathing equipment and safety gog-
gles.
Boiler inspection and maintenance
Steps that relate to the boiler are described in separate
instructions.
Removing the burner hood
Remove the burner hood to perform any work or
make any adjustments.

Checking the gas type

1. Check with your gas supply utility regarding the
gas type and Wobbe index (Wo).
The boiler can be operated in the following Wobbe
index ranges:
■ With natural gas E:
12.0 to 16.1 kWh/m
■ With natural gas LL: 10.0 to
3
13.1 kWh/m (36.0 to 47.2 MJ/m
10
3 (43.2 to 58.0 MJ/m 3 )
3
).
Vitocrossal 300, type CT3U installation and
service instructions
2.
Fig. 1
2. In the delivered condition, the burner is set up for
natural gas E. If required, convert the burner to a
different gas type in accordance with details provi-
ded by the gas supply utility. See the following
chapter.
3. Record the gas type in the report in the appendix.
1.
OPN CLOSE