Glow-worm ENERGY 25c, Installation And Maintenance Instructions Manual, Page: 27 / 52

Troubleshooting 11
0020177746_03 ENERGY Installation and maintenance instructions
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1
A
B
3. Remove the gas pipe (1) .
1
2
3
2 4
A
B
4. Remove the temperature sensor (3) .
5. Remove the upper clip (1) .
6. Remove the lower clip (4) .
7. Remove the supply pipe (2) .
2
2 3
B
1
A
8. Remove the upper clip (1) .
9. Remove the lower clip (3) .
10. Remove the return pipe (2) .
1
A
2
11. Remove the clip underneath the condensate tray (1) .
12. Undo the four screws (2) .
2
1
B
C
A
13. Remove the ignition electrode (1) .
14. Lift the heat exchanger up slightly and remove it to-
gether with the condensate tray.
15. Remove the ignition transformer (2) .
16. Install the new heat exchanger in reverse order.
11.6.4 Replacing the pump head
1
2
1. Disconnect the pump cable from the electronics box.
2. Undo the four bolts (1) .
3. Remove the pump head (2) .
4. Replace the O-ring.
5. Use four screws to secure the new pump head.
6. Connect the pump cable to the electronics box.