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10 Replacing components
10 Replacing components
The tasks listed below in this section may be carried out
only by a heating engineer.
• 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
d
Danger!
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)!
10.2
Replacing burner
d
Danger!
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.
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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)!
10.3
Replacing fan or gas fittings
d
Danger!
Before replacing the component, comply with
the safety instructions in Section 10.1.
• Disconnect the appliance from the mains as described
in Chapter 10.1, and close the gas cock in the gas
supply pipe.
Fig. 10.2 Dismantling fan with gas valve
• Remove the screw (2) and remove the air inlet pipe (1)
from the inlet spigot on the gas fitting.
• Release the gas supply pipe (4) on the gas valve.
• Pull out the plug from the gas valve.
ecoTEC exclusive installation and maintenance instructions / 0020017768_02
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