Fitting The Burner (Gas Condensing Module); Checking The Neutralising System (If Installed); Yearly Maintenance Of Fuel Cell Module - Viessmann Vitovalor PT2 Installation And Service Instructions For Contractors

Commissioning, inspection, maintenance

Fitting the burner (gas condensing module)

4x
F
D
C
B
A
Fig. 76
1. Insert the burner and tighten screws
Torque: 6.5 Nm
2. Fit gas supply pipe
E
Torque: 30 Nm
3. Check the gas connections for leaks.
Danger
Escaping gas leads to a risk of explosion.
Check the fitting for gas tightness.

Checking the neutralising system (if installed)

5-yearly maintenance of fuel cell module

Note
Before carrying out the maintenance work:
■ The fuel cell module must be in maintenance mode.
Start maintenance mode, see page 72.
The distilled water must have been drained.
■
82
E
F diagonally.
with a new gasket.
4. Connect the cables/leads:
■ Fan motor
A
■ Ionisation electrode
Ignition unit
■ C
■ Earth D
B