83
B
C E
F
K
H
A
D
G
Fig. 79
0
1.
Turn off the ON/OFF switch on the fuel cell mod-
ule (see page 58) and secure against it being
turned back on.
0
2.
Remove the cover panel (see page 64).
0
3.
Pull off four clips
A
and undo screw
B
.
0
4.
Remove trap
C
.
0
5.
Release both clips
D
and remove the hoses.
0
6.
Undo both screws
E
and remove distilled water
filter element
F
.
0
7.
Release both clips
G
and remove the air ducts.
0
8.
Undo the screw and remove metal clamp
H
.
0
9.
Remove air filter
K
.
10.
Fit new air filter
K
and secure with metal clamp
H
and screw.
11.
Reattach the air ducts with clips
G
.
12.
Fit new distilled water filter element
F
and secure
with the two screws.
13.
Reattach the hoses with two clips
D
.
14.
Refit trap
C
with clips
A
and screw
B
.
Resetting the service indicator on the fuel cell module
Note
If
"bAD"
appears on the display, the service indicator
cannot be reset. This may be because the mainte-
nance interval had not yet been reached, for example.
In such a case, inform Viessmann Technical Services.
1.
Turn on the ON/OFF switch on the fuel cell mod-
ule.
2.
Select
"33"
using / .
3.
Simultaneously press
SET
and .
"34"
will appear on the display.
4.
Press and hold
SET
for at least 3 s.
"_CL"
will appear on the display. The service indi-
cator has been reset.
Filling with distilled water
0
1.
Prepare to fill with distilled water (see page 69).
0
2.
Select
"11"
using / .
Commissioning, inspection, maintenance
2-yearly maintenance of fuel cell module
(cont.)
5775 636 GB
Summary of Contents for C3TB
Page 136: ...136 Troubleshooting Repairs gas condensing module cont 5775 636 GB Diagnosis ...
Page 143: ...143 Parts lists Heat cell assembly 5775 636 GB Components ...
Page 160: ...160 Parts not shown 0009 PCB IU100 B30 Parts lists Fuel cell assembly 5775 636 GB Components ...
Page 161: ...161 Parts lists Fuel cell assembly cont 5775 636 GB Components ...
Page 187: ...187 5775 636 GB ...
