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M a i n t e n a n c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T e c h n i c a l T r a i n i n g
Disassembly / reassembly
Heating filter access
The heating filter is located under the plate heat exchanger.
1.
Hot water heat exchanger mounting lug
2. Seal
3.
Heating filter
4.
Domestic hot water heat exchanger
The heating filter improves heating circuit bleeding.
Close the heating outlet and return heating valves, then drain the
heater.
Remove the screws (2) and the mounting lugs (1).
Remove the domestic hot water heat exchanger (5).
Remove the seal (3).
Remove the heating filter (4).
Clean and reassemble.
Domestic hot water filter access
The domestic hot water filter is mounted directly on flow detectors.
To access this filter:
Close the cold water inlet valve.
Reduce pressure by opening a hot water tap close to the boiler.
Remove the flow detector holding clip.
Pull the detector forwards to remove it from its housing (it may be tightened
because sealed by 2 O’rings)
Clean and reassemble.
B
B
C
A
A
A
E
D
1
2
3
4
5
1
2