57
3.
4.
Fig. 44
1.
Move the bracket together with the programming
unit upwards. See "Moving the programming unit
to the maintenance position".
2.
Pivot the HMU heat management unit forwards.
3.
Remove the black supply hose.
4.
Pull trap upwards out of the drain hose.
5.
Hold trap as straight as possible and remove.
Ensure that no condensate runs out.
6.
Clean the trap.
7.
Fill the trap with water and refit it on the drain hose.
!
Please note
If the trap is not filled with water, flue gas
can escape.
Only start the appliance when the trap has
been filled.
Check that the trap is seated correctly.
8.
Refit supply hose.
9.
Danger
Risk of electric shock from escaping conden-
sate.
Check the connections for leaks and check
that the trap is seated correctly.
Note
Route the drain hose without any bends and with a
constant fall.
Multi boiler system:
Clean the trap in the flue gas collector as well.
Commissioning, inspection, maintenance
Checking the condensate drain and cleaning the…
(cont.)
5593201
Summary of Contents for B2HF
Page 33: ...33 2 2x 1 Fig 26 Installation sequence Closing the wiring chamber 5593201 Installation ...
Page 111: ...111 1 2 4 3 6 5 Fig 56 Troubleshooting Repairs cont 5593201 Diagnosis ...
Page 134: ...134 WiFi router 31 Wiring diagram 121 Keyword index Keyword index cont 5593201 ...
Page 135: ...135 5593201 ...
