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10.13 Replace the heat exchanger
Disassemble the heat exchanger
Before starting this work:
▶ Shut down the appliance power.
NOTICE
Remaining water in the heat exchanger!
The heat exchanger will retain water when the appliance is drained.
▶ Ensure to provide adequate support when removing the retaining
bolts.
▶ Do not tip the heat exchanger as this will spill water.
▶ Lay the heat exchanger horizontally to empty water from the heating
coils.
Fig. 130 Disassembly of the burner door
▶ Disassemble the burner door ( Chapter 9.7.1, page 55).
2
2.
1.
1
Fig. 131 Disassembly of the auto air vent
[1]
Clip
[2]
Auto air vent
Greenstar 1000 – 6721835943 (2023/08)
▶ Remove the clip [1] and the auto air vent [2].
1
Fig. 132 Disassembly of the condensate drain hose
[1]
Condensate drain hose
▶ Push down the condensate drain hose [1] and remove the hose from
the heat exchanger.
0010042726-001
Fig. 133 Disassembly of the clips
[1]
Clips
▶ Remove the two clips [1] from the flow and return pipe.
0010045936-001
Replacement parts
0010045937-001
1
0010045938-001
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