12 Inspection and maintenance
128
Installation and maintenance instructions aroTHERM plus 0020297937_01
12.2
Observing the work plan and intervals
▶
Comply with the specified intervals. Carry out all of the
work that is mentioned (
→
"Inspection and maintenance
work" table, appendix).
12.3
Procuring spare parts
The original components of the unit were also certified as
part of the CE declaration of conformity. Information about
available Vaillant genuine spare parts is available by contact-
ing the contact address provided on the reverse of this docu-
ment.
▶
If you require spare parts for maintenance or repair work,
use only Vaillant genuine spare parts.
12.4
Removing the casing sections
12.4.1 Removing the top casing
A
B
2×1
▶
Remove the top casing as shown in the figure.
12.4.2 Removing the right-hand side casing
A
B
2×1
▶
Remove the right-hand side casing as shown in the fig-
ure.
12.4.3 Removing the front casing
B
A
T20
▶
Remove the front casing as shown in the illustration.
12.4.4 Removing the air outlet grille
A
C
5×1
B
3×1
▶
Remove the air outlet grille as shown in the figure.
12.4.5 Removing the left-hand side casing
B
A
2×1
▶
Remove the left-hand side casing as shown in the figure.
