Benchmark RD 532i, Инструкции по установке и обслуживанию

Страница: 35 / 92

6 720 611 449 GB (03.11)
Converting the appliance to different gas types
35
B Press or
until the display shows
normal .
B
Press the button. The text display shows
Store settings .
B
Press to select yes .
B
Press the button.
B
Remove testing probe from the flue gas testing
point (234) and refit sealing plug.
B Re-seal gas valve adjusting screw and gas flow
restrictor.
B Replace the outer case by locating it on the top lugs
and pushing backwards until the bottom clips are
fully engaged. Check that the case is properly
aligned with facia. Refer to fig. 13.
B Secure by replacing the screw at the bottom left.
Refer to fig. 13.
8.2 Testing combustion air/flue gas at
set heat output
8.2.1 Testing the O
2
or CO
2
level in the
combustion air
B
Press and hold the button until the display
shows
– –
.
“Chimney sweep” mode is now active.
The
button will light up and the display shows the
CH flow temperature.
B
Remove sealing plug from combustion air testing
point (234.1, fig. 44).
B
Insert testing probe about 80 mm into the testing
point and seal testing point.
Fig. 44
B Measure O
2
and CO
2
levels.
B
Refit sealing plug.
B
Press and hold button until the display shows – – .
The button will stop flashing and the display
shows the CH flow temperature.
8.2.2 Testing CO and CO
2
B Press and hold the button until the display
shows – – .
“Chimney sweep” mode is now active.
The
button will light up and the display shows the
CH flow temperature.
B Remove sealing plug from flue gas testing point
(234, fig. 44).
B
Insert testing probe about 135 mm into the testing
point and seal testing point.
B
CO- and CO
2
levels.
B
Refit sealing plug.
B
Press and hold button until the display shows – – .
The button will stop flashing and the display
shows the CH flow temperature.
i
By testing the O
2
or CO
2
level in the com-
bustion air the gas tightness of a type C
13
or C
33
flue system can be checked. The
O
2
level must not be less than 20,6 %.
The CO
2
level must not exceed 0,2 %.
i
In “chimney sweep” mode, the appliance
switches to max. rated heat output or the
set heating output. You then have 15 min-
utes in which to measure the levels. After
that, the appliance switches back from
“chimney sweep” mode to normal mode.
i
You have 15 minutes in which to measure
the levels. After that, the appliance switch-
es back from “chimney sweep” mode to
normal mode.
6 720 610 599 - 01.TD
234.1
234