Replacing Components 10; Safety Instructions; Replacing Burner - Vaillant ecoTEC exclusive 832 Installation And Maintenance Instructions Manual

10 Replacing components
The tasks listed below in this section may be carried out
only by a heating engineer approved at the time by the
Health and Safety Executive.
• Only use genuine spare parts for repairs.
• Make sure the parts are correctly fitted and that their
original position and alignment are retained.
10.1

Safety instructions

Danger!
d
Each time the components are replaced, comply
with the safety instructions below for your own
safety and to avoid damage to the appliance.
• Take the appliance out of operation.
h Note!
Isolate the appliance from the electrical mains
by pulling the plug out of the wall plug socket!
• Close the gas cock in the gas supply pipe, the mainte-
nance cocks and -if fitted-in- the heating flow and
return.
• Close the cold water inlet valve on the inlet combi-
nation.
• Empty the appliance if you want to replace water-
bearing components of the appliance!
• Make sure that no water drips on live components
(e.g. electronic box etc.)!
• Use only new gaskets and O-rings!
• After completing the work, check for gas leaks and
perform a function check (see Chapter 6)!
ecoTEC exclusive installation and maintenance instructions / 0020017768_04

Replacing components 10

10.2

Replacing burner

Danger!
d
Before replacing the component, comply with
the safety instructions in Section 10.1.
• Dismantle the compact thermo module as described in
Section 8.4.1.
1
Fig. 10.1 Replacing burner
• Release the 4 screws (1) on burner, and remove the
burner.
• Mount the new burner with a new gasket. Make sure
that the nose on the burner window grips onto the
gasket in the groove in the burner.
• Install the compact thermo module as described in
Chapter 8.4.4.
• After completing the work, check for gas leaks and
perform a function check (see Chapter 6)!
45