1.
Blower grill
2.
Adjustment valve
3.
Fastening screw
4.
Air duct
5.
Insulation
6.
Hose clamp
7.
Body
D10151A
22 GB / 30 GB
Installation
3416 silencer (accessory)
For the war air tubing is available an silencer 3416 as an accessory, which effec-
tively reduces air flow noise. The silencer can be installed in the inlet-, or to the
blower side.
Ventilation
An equivalent amount of air which is blown out through grills must leave the cabin,
either outdoors or as return air to inlet tubing.
Installation of the air registers
When installing the warm air register 3411 or 2411, remove the grill part (1) of the
body (7) by pulling. The grill part can be turned 360° to be able to adjust the air flow
direction.
3411
For installation, cut the bulkhead with ø 76 mm (3") hole for the grill frame. Use
screws to attach the grill frame (7) to bulkhead with three screws. In order to install
warm air tubing drill a hole ø 83 mm (3
2411
Cut a ø 67 mm (2
/
") hole in the bulkhead or wall. Screw the body of the register
5
8
(7) to the bulkhead with 3 screws. Connect the warm air duct to the register and
reinstall the grill cover.
ø 111 mm
(4
/
")
3
8
ø 90 mm
(3
/
")
17
32
At least one of the two air outlets of the heater must be open at all
times.
/
") to bulkhead.
1
4
3
1
2
7
23 mm
(
/
")
29
32
- 81 -
en
5
4
ø 75 mm
K00035
6
490529