Supplied By www.heating spares.co Tel. 0161 620 6677
49
Instructions for installation and servicing ecoTEC
1
Fig. 9.1 Replacing burner
• Loosen the 4 screws (
1
) on burner, and remove the
burner.
• Mount the new burner with a new seal. Ensuring that
the notch in the burner aligns with the burner viewing
window.
• Install the burner module as described in Section 7.2.4.
• After completing the work, check for gas leaks and
perform a function check (see section 7.6)!
9.3
Replacing fan or gas valve
Danger!
Before replacing the component, comply with
the safety instructions in section 9.1.
• Turn off the boiler.
• Isolate the electrical supply to the boiler
• Remove the air intake pipe (Fig. 7.1, Pos.
2
).
• Loosen the gas supply pipe on the gas fitting (Fig. 7.2,
Pos.
3
).
1
3
2
4
Fig. 9.2 Dismantling fan with gas fitting
• Pull out the plug (
4
) from the gas valve.
• Pull out the plug (
3
) from the fan.
• Remove the three screws (
2
) on the burner module
(
1
).
• Remove the complete “gas valve/fan” unit.
5
Fig. 9.3 Gas fitting/fan screwed joint
• Remove both fixing screws (
5
) on the gas valve and
remove the fan from the gas valve.
• Replace the defective component.
Caution!
Mount the gas valve and the fan in the same
position as before.
• Screw on the fan with the gas valve. Please use new
seals.
• Install the complete “gas valve/fan” unit in reverse
sequence.
• After completing the work, check for gas leaks and
perform a function check (see section 7.6)!
9.4 Replacing
expansion
vessel
Danger!
Before replacing the component, comply with
the safety instructions in Section 9.1.
• Disconnect the appliance from the mains as described
in Section 9.1, and close the service valve in the gas
supply pipe.
• Close the flow and return service valves and drain the
water from the boiler.
Parts replacement 9
Summary of Contents for ecoTEC plus 612
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Page 179: ...Supplied By www heating spares co Tel 0161 620 6677 15 Instructions for use ecoTEC...
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Page 183: ...Supplied By www heating spares co Tel 0161 620 6677 19 Instructions for use ecoTEC...
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