Product Manual

13
The ducts must be cut to length so that they protrude from
the hole for the cowl after installation. The exhaust duct (1)
must be 10 % longer than the combustion air intake duct (5).
This avoids exhaust duct expansion and tensile load.
1
5
Fig. 16
Installing the wall cowl
Install wall cowl (arrow pointing up) on an even surface
around which wind can flow from all sides. Drill opening with
a diameter of 83 mm (duct hole must be lined with wood in
cavities). Seal with provided rubber seal (8). Use flexible body
sealant on textured surfaces – do not use silicone!
Before pushing the exhaust double duct through the hole,
slide clamp (7) over duct.
Slide rubber seal (8 – smooth side towards cowl, sealing
lips towards wall) onto inner part of cowl (9).
Compress beginning of exhaust duct (1) (approx. 2 cm
thereof) so that the coils are lying against each other.
Slide clip (2 – claws facing cowl) over exhaust duct (1).
Slide exhaust duct (1) onto connection as far as it will go (11 –
bend facing upwards).
Slide on clip (2) as far as it will go (end position must be
between claws of clip) and screw in place.
Slide combustion air intake duct (5) onto toothed connecting
piece (12).
Attach cowl inner part (9) with six screws (13), fit outer part of
cowl (14) and screw on with two screws (15) (screws B3.5x25,
included with delivery).
Use clip (7) to attach combustion air intake duct to connec-
tion(12) from inside and (if length greater than 60 cm) attach
to wall with at least one clip ZRS (16 – part no. 39590-00).
16
7
1
5
3 – 4 Nm
2
11
12
9
14
13
8
15
Ø
83 mm
TOP OBEN
Fig. 17
Connecting the exhaust double duct to the device
Compress exhaust duct (1) at its beginning so that the coils
lie next to each other. Slide clip (4 – claws toward unit) over
exhaust duct (1). Slide clip (7) onto combustion air infeed (5).
Slide exhaust duct (1) all the way onto connection (3). Slide
exhaust duct clip (4) as far as it will go (end position must be
between claws of clip) and screw in place. Slide combustion
air intake duct (5) onto connection (6) and secure with clip (7).
6
3
2 – 3 Nm
4
1
5
7
Fig. 18
Recirculated air intake
The circulated air is drawn in by the unit. This must have one
large or several small openings with a total area of at least
150 cm² between the living compartment (not the rear stor-
age space) and the installation compartment.
If a grid (not in scope of supply) is installed (Fig.19), the same
size requirement regarding cross-sectional area (150 cm²) for
drawing in air must be observed.
Fig. 19
The circulated air inlets must be arranged so that exhaust
from the vehicle engine or the heater cannot be drawn in
under normal operating conditions. It must be ensured by
means of construction design that the heating air introduced
into the vehicle is not polluted.
Warm air distribution
Most of the warm air is led into the floor area of the living
compartment via flexible ducts.
The 4 connections on the unit are designed for the 65 mm
diameter ÜR duct (part no. 40230-00).
Only Truma ducts are approved with the heating system
and must be used.
Use only pressure-safe ducts in compliance with Truma qual-
ity requirements. Other ducts that do not meet our quality
standard (particularly crown pressure resistance, duct diam-
eter and number of grooves) must not be used.