903
Air Top 2000 S
9 Repair
9.2.2 Replacement of Control Unit
9.2.2.1 Removal
During removal avoid the build-up of static charge (i.e.
do not touch strip conductors).
1. Remove heater from vehicle (see 8.7.1.1).
2. Remove covers for heating air inlet and outlet
(6 and 3, Fig. 901) according to 9.2.1.3.
with bracket (6).
from bracket (6) if necessary.
(see 9.1.1).
3. Remove upper housing shell according to 9.2.1.4.
4. Disconnect terminal connections (1, Fig. 902).
6. Remove screw (7) to separate control unit (2)
7. Perform work on components after disassembly
5. Remove screws (3) and remove control unit (2)
9.2.2.2 Installation
NOTE
During installation avoid the build-up of static charge (i.e.
do not touch strip conductors).
1. Place control unit (2, Fig. 902) in position on
bracket (6) and secure with screw (7).
2. Place control unit (2) with bracket (6) in installation
position and secure with screws (3).
Torque screws to 0.7 ± 0.07 Nm.
3. Connect plug connections to terminal (Fig. 701).
4. Install upper housing shell and fix in position.
5. Slide on covers for heating air inlet and outlet and fix
in position.
6. Install heater (see 8.7.1.2).
7. Check CO
2
setting and if necessary, adjust (see 6.2)
9.2.3 Replacement of Temperature Limiter
9.2.3.1 Removal
1. Remove heater from vehicle (see 8.7.1.1).
2. Remove covers for heating air inlet and outlet
(6 and 3, Fig. 901) according to 9.2.1.3.
3. Remove upper housing shell according to 9.2.1.4.
4. Disconnect plug connection (blue) from terminal.
5. Remove screws (4, Fig. 902).
6. Remove temperature limiter (5).
9.2.3.2 Installation
1. Place temperature limiter (5, Fig. 902) into
installation position and secure with screws (4).
Ensure limiter is properly seated.
3. Connect plug connections (blue) to terminal.
2. Torque screws to 1.5 ± 0.15 Nm.
4. Install on upper housing shell and fix in position.
5. Slide on covers for heating air inlet and outlet and fix
in position.
6. Install heater (see 8.7.1.2).
(see 9.1.1).
7. Perform work on components after disassembly
