Commissioning The Burner - Viessmann MatriX-Disk burner Service Instructions For Contractors

Commissioning the burner

Danger
CO build-up as a result of incorrect burner
adjustment or flue gas system leakage can have
serious health implications.
Always carry out a CO test before and after
work on gas appliances.
!
Please note
Dust can impair the function of the burner and
falsify burner settings.
Only operate the burner with the air filter instal-
led.
A
Fig. 4
Commissioning, inspection, maintenance
Vitotronic control unit operating instructions
■
and service instructions
■ Neutralising system operating instructions
■ Flue system installation instructions
■ "Vitocrossal, type CRU" service instructions
1. Check the heating system pressure.
"Vitocrossal, type CRU" service instructions
2. For open flue operation: Check that the ventilation
facility in the installation room complies with the
boiler room guidelines.
3. Open the gas line shut-off valves.
4. Check the static pressure. See page 15.
5. Check the adjustment on air pressure switch 1
for the specified set pressure.
Rated heating output
800 kW
1000 kW
6. Switch ON the mains isolator (outside the installa-
tion room).
7. Switch on the ON/OFF switch at the programming
unit of the Vitotronic control unit.
Vitotronic control unit operating instructions
Note
During commissioning, the appliance may enter a
fault state due to remaining airlocks in the gas line:
"Burner fault" and
■ Purge the gas line again.
■ Confirming the fault on the display of the
Vitotronic control unit resets the burner.
8. Check all gaskets and plugs, and retighten if nec-
essary.
A
2 mbar (0.2 kPa)
↓
4 mbar (0.4 kPa)
↓
are shown on the display
13