REPAIR WORK
∙ Open the air vent (1), when fi lling the heating circuit with
water.
∙ Close the vent as soon as water fl ows (repeat the
operation several times if necessary).
Caution !
b
Risk of damage in case of bad purge!
If air purging is not done properly, this may
cause damage to the electrical heating
element.
Make sure the heating circuit is properly
•
purged air.
5.2
Installing the casing
1
Key
1
Front casing
∙ Put the front casing back on
5.3
Handing over the product to the user
After completing the installation:
∙ Answer any questions the user may have.
∙ Draw special attention to the safety instructions which the
user must follow.
25
6
Repair work
6.1
Spare parts
∙ In case you need spare parts during maintenance or
repair, exclusively use genuine Vaillant spare parts.
The genuine component parts of the product have been
certifi ed together with the product in the course of the CE
conformity check. If you do NOT use certifi ed genuine
Vaillant spare parts during maintenance or repair, the
CE conformity of the product will expire. That is why we
imperatively recommend to install genuine Vaillant spare
parts.
6.2
Draining the product
1
2
Key
1
Air vent
2
Drainage plug
∙ Open the appliance's drainage plug (2).
∙ Open the appliance's air vent (1).
0020152779_02 - 04/13 - Vaillant