54
3.
Connect tester (up to 5 mA) in series between tab
C
and earth cable
B
.
■
If the current measures
>
0.3 mA the anode is
OK.
■
If the current measures < 0.3 mA or if there is no
current at all, inspect the anode visually (see
page 55).
Draining the boiler on the DHW side
Fig. 46
1.
Connect the hose to the drain valve and route it into
a suitable container or drain outlet.
Note
Ensure adequate ventilation in the DHW pipework.
2.
Turn drain valve from lever position
A
to lever
position
B
or
C
as required.
■
Lever position
B
: To drain the heating system
but
not
the cylinder via the cold water connection.
■
Lever position
C
: To drain the heating system
and
the cylinder via the hot water connection.
Cold water connection remains filled.
Commissioning, inspection, maintenance
Testing the anode earth current with an anode…
(cont.)
5773 238 GB
Содержание 7513244
Страница 11: ...11 8 9 4x 8x 12 10 11 Fig 2 Preparing for installation Installation preparations cont 5773 238 GB Installation ...
Страница 12: ...12 13 14 15 Fig 3 Preparing for installation Installation preparations cont 5773 238 GB Installation ...
Страница 13: ...13 16 Fig 4 Preparing for installation Installation preparations cont 5773 238 GB Installation ...
Страница 14: ...14 sF 17 19 21 20 18 Fig 5 Preparing for installation Installation preparations cont 5773 238 GB Installation ...
Страница 15: ...15 24 22 23 Fig 6 Preparing for installation Installation preparations cont 5773 238 GB Installation ...
Страница 16: ...16 27 26 25 Fig 7 Preparing for installation Installation preparations cont 5773 238 GB Installation ...
Страница 35: ...35 2x 1 4 2 3 5 Fig 27 Installation sequence Fitting the front panels 5773 238 GB Installation ...
Страница 135: ...135 Parts lists Hydraulic assembly 5773 238 GB Components ...
Страница 146: ...146 0004 0002 0005 0006 0001 0003 Fig 107 Parts lists Miscellaneous 5773 238 GB Components ...