WS 75-Rohbauanleitung
WS 75 shell installation instructions
Notice gros œuvre WS 75
EN
7
Maico Elektroapparate-Fabrik GmbH
I
Steinbeisstr. 20
I
78056 Villingen-Schwenningen
I
Germany
I
S49 7720 6940
I
0185.1256.0001_RLF.9_05.23_DSW
• Select installation locations and models for the ventila-
tion units to keep noise emissions down. If possible,
avoid sound bridges with the structure by observing suf-
ficient distance from other façade elements.
• When heat recovery units with enthalpy heat ex-
changers are first installed, a slight odour may be re-
leased over the first few weeks of operation. This volatil-
ises within a few weeks of operation.
• Only use accessories and spare parts approved by the
manufacturer.
10 Shell installation
Information
•
Air ducts, protective grilles, inspection openings
etc.
must be installed and insulated according to the require-
ments of the planning office’s planning documents.
• If the
operating unit is placed externally
, it should
preferably be fit on a flush-mounted electrical box. For
electrical wiring → wiring diagrams in the WS 75 final in-
stallation instructions Control cable max. 25 m, LIYCY
4 x 0.34 mm².
• When
controlling the Powerbox via KNX
or optional
switching contacts, additional connecting cables are
needed and should be pulled into the shell tray →
stallation conditions, installation preparations [
.
10.1 WS 75 RSAP surface mounting, outgoing/out-
side air connections on the wall side, supply air/ex-
haust air on side via WS 75 APA cover
The outgoing air/outside air ducts are guided through the
exterior wall on the rear wall side of the
RSAP
.
In the
Powerbox H
unit, the supply air and exhaust air are
directed laterally through supply air and exhaust air open-
ings through the
APA
surface-mounted cover. For addi-
tional supply/exhaust air connections on the rear wall →
1. Preparing the installation site →
tions, installation preparations [
Outgoing
air
Outside
air
2. Align the
RSUP
shell tray (vertically or horizontally de-
pending on the installation position) and mark the two
centres of the core drill holes.
3. Drill both core holes into the wall with a Ø of at least
160 mm.
4. Break out the sheet metal cross struts on both cut-outs
(OGA/OSA).
5. Angle the two stops 90° towards the interior room on
the two cut-outs.
6. Loosely insert the supplied
WW 90 thermally insulated
wall sleeves
(thermally insulated ducts) for outside air
and outgoing air (OSA/OGA) into the two core drill
holes. Allow for interior/exterior wall side and installa-
tion position with slot facing vertically down.
NOTICE:
The
WW 90
must be pushed in so far that they
are flush with the tabs of the stop plate.
NOTICE:
On the exterior wall side, the ducts are cut to
length when mounting the external cover. The WW 90
ducts must protrude 10 to 20 mm beyond the exterior
wall. The projection is needed as a drip edge. Damage
to the exterior wall if installed incorrectly.
7. Use a hammer to press out/detach one of the pre-
punched cable feedthroughs from the
RSAP
metal shell
sheet.
8. Insert the power cable through the cable feedthrough
from the rear side of the
RSAP
. If the operating unit is
placed externally (outside the
WS 75 APA
cover), also
guide the control cable through cable feedthrough.
NO-
TICE:
Do not damage cables on sharp sheet metal
edges.
With standard installation of the operating unit
in the WS 75 APA cover, the enclosed connection
cable is routed from the front into the electronics
compartment of the ventilation unit. Do not lead
the connection cable through the RSAP metal shell
sheet
9. Screw the
RSAP
metal shell sheet to the finished tiled/
plastered wall with 4 screws. Choose screw positions
from the 8 pre-punched mounting holes.
NOTICE: Posi-
tion OSA/OGA ducts (WW 90 thermally insulated wall
sleeves) such that the face end of the duct is flush
with the two bent stops (step 5). If this is not done,
the connection sockets will not be seated correctly
when the Powerbox H is installed. Ensure a slope of 1
to 2 % to the exterior wall for the WW 90 ducts.
10. Use customer-provided mounting foam (non-pressing)
to glue the
WW 90 ducts
into the masonry, sealed all
the way round. Only apply the mounting foam tightly
on the inside and outside. If walls have a wooden con-
struction, additionally seal the interfaces to this con-
struction. Stick sealing strips to the wall sleeve in these
areas. Suitable sealing material is to be provided by the
customer.
11. During the shell construction phase, protect the
WW
90
from contamination with the protective covers
provided.
12. Mount
Powerbox H
and
APA
surface-mounted cover
and put ventilation unit into operation → Videos, tu-
torials and WS 75 final installation instructions.
10.2 WS 75 RSAP surface mounting, supply/ex-
haust air on wall side, connections at rear (second
room)
In addition to the supply air and exhaust air openings on
the side of the
Powerbox H
, a further supply air and/or ex-
haust air connection can be set up on the rear wall side.
The connection of the ducts is made using the
MF-WL 100
brackets. These are installed at exact locations in the wall
before the
RSAP
metal shell sheet is mounted.
EA
SA
1. Use a hammer to press out the pre-punched supply air
and/or exhaust air sheet metal openings from the
RSAP
metal shell sheet.
2. Preparing the installation location → previous chapter.
Proceed as described there in steps 2 to 6. In step 2,
also mark the centres of the supply air and exhaust air
hole.