
10.3 Standard inspection and maintenance operations
10.3.1 Checking water hardness
The water hardness of the heating water has to be checked within the
scope of the recommended maintenance of the boiler and the correspond
ing amount of additive has to be added if necessary.
10.3.2 Removing the burner
The following steps describe how to remove the burner:
1. Close gas shut off device
2. Remove front panel of the EC four.
3. Release ignition cable, ionization line and earthing cable.
4. Disconnect connection lines from fan and gas valve
5. Remove the screws on the flange on the venturi pipe
6. Loosen the flue gas silencer with seal (in the flange) from the venturi
pipe
7. Release gas connection hose from the gas valve
Fig.44 Loosening the flue gas silencer from
the venturi pipe
RA-0000228
5
6
5
Fig.45 Loosening the gas connection hose
RA-0000229
7
10 Maintenance
132
7636047 - 02 - 24082015
Summary of Contents for eurocondense four 125 kw
Page 19: ...3 2 6 Wiring diagram Fig 3 Wiring diagram 3 Technical specifications 7636047 02 24082015 19 ...
Page 40: ...Fig 22 Legend for application examples part 2 5 Before installation 40 7636047 02 24082015 ...
Page 143: ...13 Appendix 13 1 Declaration of conformity 13 Appendix 7636047 02 24082015 143 ...
Page 146: ...Index 146 7636047 02 24082015 ...
Page 148: ...7636047 02 24082015 ...