90
Putting the control unit into the service position
If required for commissioning and servicing, the control
unit can be put in a different position.
1.
2.
3.
Fig. 54
Drain boiler on the heating water side
Fig. 55
1.
Close the shut-off valves on the heating water side.
2.
Route hose at drain valve
A
into a suitable con-
tainer or drain outlet.
3.
Open drain valve
A
and drain the boiler the
graphic not in this document setas much as
required.
Troubleshooting
Maintenance
(cont.)
5773 216 GB
Diagnosis
Содержание B2TA
Страница 12: ...12 2 5 1 4 2x 3 Fig 5 Installing the boiler Removing the front panels 5773 216 GB Installation ...
Страница 13: ...13 1 2 SW17 Fig 6 Installing the boiler Siting and levelling the boiler 5773 216 GB Installation ...
Страница 23: ...23 4 1 5 2 2x 3 Fig 16 Installing the boiler Fitting the front panels 5773 216 GB Installation ...
Страница 101: ...101 Parts lists Overview of assemblies 5773 216 GB Components ...
Страница 107: ...107 Parts lists Hydraulics 5773 216 GB Components ...
Страница 118: ...118 0004 0002 0005 0006 0001 0003 Fig 77 Parts lists Miscellaneous 5773 216 GB Components ...
Страница 142: ...142 5773 216 GB ...
Страница 143: ...143 5773 216 GB ...