76
Replacing the HMI connecting cable
!
Please note
Incorrect routing of the cable can lead to heat
damage and impairment of the EMC properties.
For positioning and securing of the cable (fixing
point of the cable tie) see connecting cable
installation instructions.
Checking the plate heat exchanger
3.
2.
D
A
B
C
4.
Fig. 41
A
Heating water flow
B
Heating water return
C
Cold water
D
DHW
1.
Shut off and drain the boiler on the heating water
and DHW sides.
2.
Undo screws.
3.
Remove plate heat exchanger.
Note
During and after removal, small amounts of water
may trickle from the plate heat exchanger.
4.
Remove gaskets and dispose of them.
5.
Check connections on the DHW side for scaling.
Clean or replace the plate heat exchanger as
required.
6.
Check connections on the heating water side for
contamination. Clean or replace the plate heat
exchanger as required.
Troubleshooting
Repairs
(cont.)
6173886
Diagnosis
Содержание B0KA
Страница 14: ...14 1 4 5 3 2 Fig 4 Installation sequence Removing the boiler from the packaging 6173886 Installation ...
Страница 28: ...28 1 2 Fig 20 Installation sequence Fitting the front panel 6173886 Installation ...
Страница 78: ...78 1 2 3 6 4 5 7 Fig 42 Troubleshooting Repairs cont 6173886 Diagnosis ...