Meltem 5010 User manual

Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4 · D-82239 Alling
[email protected] · www.meltem.com
VENTILATION THE RIGHT WAY
VENTILATION & HEAT RECOVERY
INSTALLATION MANUAL
HOME VENTILATION WITH HEAT RECOVERY
M-WRG-S...
for surface-mount and ush-mount installation
of M-WRG ventilation units
Part no. 5300-10-01 Week 01/2018 EN

Installation manual
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Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4 · D-82239 Alling
[email protected] · www.meltem.com
VENTILATION THE RIGHT WAY
VENTILATION & HEAT RECOVERY
Contents
1 Introduction ..................................................................................................................... 5
1.1 Notes on this installation manual ...................................................................................... 5
1.2 Description ........................................................................................................................ 5
1.3 Target group ..................................................................................................................... 6
1.4 EU declaration of conformity ............................................................................................ 6
1.5 National technical approval (for Germany) ....................................................................... 6
1.6 Nameplate ........................................................................................................................ 6
1.7 Storage ............................................................................................................................. 6
1.8 Environmentally-friendly disposal ..................................................................................... 7
1.9 Revision index .................................................................................................................. 7
1.10 Explanation of the symbols used ...................................................................................... 7
1.11 Supplementary documents ............................................................................................... 7
2 Safety instructions ......................................................................................................... 8
2.1 Hazardclassication ......................................................................................................... 8
2.2 Notes on using the ventilation units safely ....................................................................... 8
2.3 Intended use ..................................................................................................................... 9
3 Planning notes .............................................................................................................. 10
3.1 Surface-mount installation .............................................................................................. 10
3.1.1 Requirements for the installation wall ............................................................................. 10
3.1.2 Positioning the ventilation unit indoors ........................................................................... 10
3.1.3 Unrestricted access to the ventilation unit ....................................................................... 11
3.1.4 Electrical connection ........................................................................................................ 11
3.2 Flush-mount installation ................................................................................................... 11
4 Warranty and liability ................................................................................................... 12
4.1 Warranty ......................................................................................................................... 12
4.2 Liability ............................................................................................................................ 12
5 Dimensions ................................................................................................................... 13
6 Items supplied .............................................................................................................. 14
6.1 M-WRG-S... ventilation unit ............................................................................................ 14
6.2 Installation materials required ......................................................................................... 14
7 Overview of the modules ............................................................................................. 15
7.1 Ventilation unit – cover attached ..................................................................................... 15
7.2 Ventilation unit – cover removed .................................................................................... 15
7.3 Outer wall terminal .......................................................................................................... 15
8 Tools and equipment required .................................................................................... 16
8.1 Surface-mount installation .............................................................................................. 16
8.2 Flush-mount installation .................................................................................................. 16
9 General installation instructions ................................................................................. 17
9.1 Surface-mountinstallation/ush-mountinstallation ........................................................ 17
9.2 Electrically disconnecting mains cables ......................................................................... 17
10 Surface-mount installation .......................................................................................... 18
10.1 Marking positions of core drill holes with drilling template .............................................. 18

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VENTILATION THE RIGHT WAY
VENTILATION & HEAT RECOVERY
10.2 Drilling core drill holes .................................................................................................... 19
10.3 Drilling holes for dowels and making marks for connecting cables ................................ 19
10.4 Chasing out channels for connecting cables .................................................................. 20
10.5 Inserting the ventilation pipes ......................................................................................... 20
10.6 Fixing the drilling template for the outer wall terminal .................................................... 21
10.7 Fixingventilationpipesandllinggapswithfoam .......................................................... 21
10.8 Running the connecting cables ...................................................................................... 22
10.9 Plastering the internal wall .............................................................................................. 23
10.10 Cutting ventilation pipes on internal wall to length .......................................................... 24
10.11 Sealing ventilation pipes on external wall ....................................................................... 24
10.12 Attaching the outer wall terminal .................................................................................... 25
11 Installing the ventilation unit ....................................................................................... 26
11.1 Removing the cover from the ventilation unit ................................................................. 26
11.2 Insertingxingscrewswithcentringguidesintotheventilationunit ............................... 26
11.3 Removing the supply air hood ........................................................................................ 26
11.4 Removing the network connection cover (on certain ventilation unit types only) ........... 27
11.5 Threading in the mains cable and control cable (if used) ............................................... 27
11.6 Fixing the ventilation unit ................................................................................................ 28
11.7 Connecting the mains cable and control cable (if used) ................................................. 29
11.8 Fixing the supply air hood ............................................................................................... 30
11.9 Inserting the network connection cover (on certain ventilation unit types only) .............. 30
11.10 Attaching the cover to the ventilation unit ....................................................................... 31
11.11 Attachingtheblindframe(optionalforush-mountinstallation) ..................................... 31
11.12 Starting up the ventilation unit ........................................................................................ 31

Installation manual
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VENTILATION THE RIGHT WAY
VENTILATION & HEAT RECOVERY

Installation manual
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Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4 · D-82239 Alling
[email protected] · www.meltem.com
VENTILATION THE RIGHT WAY
VENTILATION & HEAT RECOVERY
1 Introduction
1.1 Notes on this installation manual
This installation manual contains important information that should be followed when installing the
ventilation units from the M-WRG series.
►Read all the instructions carefully before installing the ventilation unit to avoid possible
risks and mistakes.
►When installation is complete, give these instructions to the home owner, caretaker or
property manager.
►These instructions are part of the product. Keep the instructions in a safe place for future
reference.
WARNING
►Follow ALL danger and warning instructions and notes on precautionary measures.
►Read section „2 Safety instructions“ on page 8 carefully.
1.2 Description
Thismanualdescribesthesurface-mountinstallation(seeFig.1)andush-mountinstallation(see
Fig. 2) of decentralised ventilation units from the M-WRG series in solid constructions.
Fig. 1: Ventilation unit – surface-mount installation Fig. 2: Ventilationunit–ush-mountinstallation

Installation manual
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VENTILATION THE RIGHT WAY
VENTILATION & HEAT RECOVERY
1.3 Target group
The activities described in this manual must only be carried out by technicians with the following
qualications:
— Training in the installation and commissioning of electrical devices
— Training in electrical hazards and the local safety requirements
— Knowledge of the relevant standards and directives
— Knowledge and observance of this document and all the safety instructions
1.4 EU declaration of conformity
The ventilation units
Type: M-WRG-S...
Part number: 5010
5013
5014-...
5016-...
manufactured by
Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4
82239 Alling
conform to the regulations and standards listed in the EU Declaration of Conformity provided.
1.5 National technical approval (for Germany)
A valid national technical approval from the
Deutsches Institut für Bautechnik (DIBt) must be
obtained for the ventilation unit before it is installed
in Germany. This approval can be provided upon
request or can be downloaded from our website at
www.meltem.com/waermerueckgewinnung/down-
loads/ (see also the QR code on the back page of
these instructions).
The approval number is Z-51.3-138 (see item 1 in
Fig. 3).
►For installation outside Germany, the
national regulations applicable in your
country should be followed.
1.6 Nameplate
Youwillndthenameplateontheintermediate
plate on the inside of the housing (see item 2 in Fig. 3).
1.7 Storage
►Store the ventilation unit in its original packaging in a dry place where the temperature
ranges between 0 °C and +40 °C.
Fig. 3: Approval number and nameplate
1
2

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VENTILATION THE RIGHT WAY
VENTILATION & HEAT RECOVERY
1.8 Environmentally-friendly disposal
The ventilation units must not be disposed of in the residual waste bin.
►Dispose of the ventilation unit in accordance with the electronic waste disposal regu-
lations that apply on site.
1.9 Revision index
Edition Manual Date
3rd edition M-WRG-S... installation manual Week 01/2018 EN
1.10 Explanation of the symbols used
►This symbol indicates an action to be taken.
— This symbol indicates a list.
1.11 Supplementary documents
Manual Part no.
Installationmanualforush-mountinstallationkit(frameconstruction)
M-WRG-M
5300-00-01
Installationmanualforush-mountinstallationkitwithplasteringtrim(solid
construction) M-WRG-M/MB
5300-01-01
Installationmanualforush-mountinstallationkit,solidconstruction,
withone/twoatductworkconnection(s)
M-WRG-M/MB-FK1 / FK2
5300-03-01
Installationmanualforush-mountinstallationkit,solidconstruction,
withone/twoexiblepipeconnection(s)
M-WRG-M/MB-FR75/1 / FR75/2 / FR63/1 / FR63/2
5300-05-01
Installationmanualforush-mountinstallationkit,solidconstruction,
withatductworkconnections/exiblepipeconnections
M-WRG-M/MB-U2
5300-06-01
Installation manual for outer wall terminals M-WRG-EFL/AP... 5300-22-01
Table 1: Supplementary documents

Installation manual
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[email protected] · www.meltem.com
VENTILATION THE RIGHT WAY
VENTILATION & HEAT RECOVERY
2 Safety instructions
This manual contains notes that you must follow for your own personal safety and to avoid injury
and damage to property. They are highlighted by warning triangles and are shown as follows
according to the level of danger.
2.1 Hazard classication
DANGER
The signal word designates a hazard with a high degree of risk which, if it is not avoided, will result
in death or severe injury.
WARNING
The signal word designates a hazard with a medium degree of risk which, if it is not avoided, will
result in death or severe injury.
CAUTION
The signal word designates a hazard with a low degree of risk which, if it is not avoided, could
result in minor or moderate injury.
NOTE
A note as used in this manual contains important information about the product or about a part of
the manual to which particular attention should be paid.
2.2 Notes on using the ventilation units safely
WARNING
—Fire protection
►Follow the requirements of the national technical approval from the Deutsches Institut
für Bautechnik (DIBt), approval number Z-51.3-138, when planning and installing the
unit.
—Operation with replaces
►An additional safety device (underpressure or differential pressure monitor) is needed
tomonitoroperationwhenM-WRGventilationunitsareusedinconjunctionwithre-
places.
►Follow the requirements of the German Fire Code (FeuVo) when planning and
installing the unit.
►Contact the local chimney sweep before the end of the planning phase.
►Have the chimney sweep approve the operation of the ventilation unit.

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VENTILATION THE RIGHT WAY
VENTILATION & HEAT RECOVERY
WARNING
—Installation in wet areas
The following rules from DIN VDE 0100-701/702 (IEC 60364-7-701) apply to installation in
wet areas:
— Protection zone 0 and 1: The unit must NOT be installed in these areas.
— Protection zone 2: The unit may be installed in this area if the mains switch is covered
with a protective cap. The protective cap must be installed at the factory.
►You will need to include the mains switch protective cap (M-WRG-SN,
part no. 5430) when you order the ventilation unit.
— Other zone: The unit may be installed in this area.
—Build-up of icicles and ice patches at low temperatures
The heat recovery process in our ventilation units causes condensation. This condensa-
tion is dissipated to the outside via the exhaust air pipe. When external temperatures drop
below 0 °C this can cause a build-up of icicles at the outer wall terminals and ice patches
on the ground.
►You should therefore position the outer wall terminals so as to exclude any possibility
of accidents.
CAUTION
—Starting and using the ventilation unit
►Do not start up the ventilation unit until it is fully installed.
►Always make sure that the cover is closed and locked in place before using the venti-
lation unit.
2.3 Intended use
— The ventilation unit is intended for supplying air to and extracting air from living and recrea-
tionrooms(bedrooms,playrooms,livingrooms,bathrooms,basementworkshops,ofces,
consulting rooms, etc.). The ventilation unit is installed in a perpendicular position in the
external wall. Any different or more extensive usage will be regarded as contrary to the
intended use.
— The intended use also includes compliance with all the notes in the installation manual.
— Theventilationunitmustnotbeoperatedwithoutairlters.
— The ventilation unit’s functions may be impaired or the unit may be damaged in rooms with
a lot of dust (e.g. model-making) or corrosive gas emissions (e.g. blueprint shop, cleaning).
— For any use contrary to the intended use, Meltem Wärmerückgewinnung GmbH & Co. KG
shall accept no liability for any damage that may occur and offers no warranty that the
components will work perfectly and correctly.

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3 Planning notes
3.1 Surface-mount installation
3.1.1 Requirements for the installation wall
WARNING
Danger from emerging gas or electric shock
►Make sure that the holes for the external and exhaust air pipes in the wall are not in the
vicinity of supply lines (e.g. gas, water or power).
— The ventilation unit must be installed indoors in a perpendicular position on an external
wall.Thesurfacetowhichtheventilationunitwillbexedmustbeat.Anyunevenness
willdistortthehousingwhenitisxedinplace,andmayimpairtheunit’sfunctioning.
— The minimum wall thickness depends on the outer wall terminal used:
Outer wall terminal Minimum wall thickness
M-WRG-ES 50 mm
M-WRG-ESR 30 mm
M-WRG-ESG/AP... 50 mm
Table 2: Minimum wall thicknesses for outer wall terminals
►For walls that are 47 cm thick or more, you will need 100 cm long outdoor and
exhaust air pipes (M-WRG-LR 100, part no. 5580).
3.1.2 Positioning the ventilation unit indoors
— The ventilation unit must be installed so that the openings for extract air and supply air
(pos. 1 and pos. 7 in Fig. 7 on page 15) point up.
— For a standard room height of 2.50 m, the best effect for air exchange is achieved if the
supply and extract air openings are roughly 30 cm (top edge of the unit) below the ceiling.
►Maintain the following minimum distances:
— the distance between the top edge of the ventilation unit and the ceiling must be
at least 15 cm. Otherwise air turbulence or an air short circuit may occur.
— The distance between the side edge of the ventilation unit and adjacent surfaces
should be at least 5 cm. The ventilation unit will be easier to operate if this
minimumdistanceismaintained.Italsoallowstheairltertobereplacedwithout
obstruction.
►In taller rooms, position the ventilation unit so that the unit can be operated unaided
(without steps, ladders, etc.). Alternatively order a ventilation unit that can be oper-
ated externally.

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VENTILATION & HEAT RECOVERY
3.1.3 Unrestricted access to the ventilation unit
The ventilation unit must always be freely accessible for operation and maintenance.
►Make sure that the ventilation unit is not blocked, obstructed or covered when the room
is subsequently decorated and furnished, otherwise it cannot be operated and it will not
bepossibletoreplacetheairlter.Youshouldthereforemaintainaclearanceofatleast
150 mm in front of the ventilation unit cover.
►Make sure that the supply and extract air openings are not blocked, obstructed or covered
when the room is subsequently decorated and furnished.
3.1.4 Electrical connection
The ventilation unit is supplied with 230 V AC (working voltage range: 85 to 265 V AC / 50 to 60 Hz).
NOTE
If the ventilation unit is not equipped with a mains connection cable and plug or other means of
disconnecting from the mains supply that has, at each pole, a contact opening width that conforms
to the conditions of overvoltage category III for complete separation, then such an isolating unit
(e.g. circuit breaker) must be integrated into the permanently installed electrical system in accord-
ancewiththeinstallationregulations.Theisolatingunitmustbeidentiedassuchandeasyto
access.
3.2 Flush-mount installation
AnM-WRGush-mountinstallationkitisneededtoush-mounttheventilationunit.
►Also read and follow the “Planning notes” section of the installation manual that is supplied
withtheush-mountinstallationkit.

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[email protected] · www.meltem.com
VENTILATION THE RIGHT WAY
VENTILATION & HEAT RECOVERY
4 Warranty and liability
4.1 Warranty
The following cases shall invalidate the warranty:
— The installation kit was not installed as described in the installation manual.
— The ventilation unit was not installed as described in the installation manual.
— Theventilationunitwasush-mountedwithoutusingtheM-WRGush-mount
installation kit.
— Genuineparts/genuineairlterswerenotreplacedwithgenuineparts.
— Unapproved changes were made to the installation kit or ventilation unit.
— Repairs were not carried out by Meltem or by an authorised specialist company.
— Theventilationunitwasoperatedwithoutairlters.
— Thewarrantydoesnotcoverwearingpartssuchasairlters.
4.2 Liability
The manufacturer’s liability shall not apply in the following cases:
— The installation kit was not installed as described in the installation manual.
— The ventilation unit was not installed as described in the installation manual.
— Theventilationunitwasush-mountedwithoutusingtheM-WRGush-mount
installation kit.
— Genuineparts/genuineairlterswerenotreplacedwithgenuineparts.
— Unapproved changes were made to the installation kit or ventilation unit.
— Repairs were not carried out by Meltem or by an authorised specialist company.
— Theventilationunitwasoperatedwithoutairlters.

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5 Dimensions
Fig. 4: Dimensions of the M-WRG-S... ventilation unit, in millimetres
109
388
409
66
Ø 99
85106 218
Ø 99
57 130

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6 Items supplied
6.1 M-WRG-S... ventilation unit
Fig. 5: Items supplied with the M-WRG-S... ventilation unit
1
23
4
5
6
Item Description Quantity
1 Ventilation unit 1x
2 Dowel S8 4x
3 Centring guide 4x
4 Washer 5.3 x 10 mm 4x
5Cross-headscrew5x100mmforush-mountinstallation 4x
6 Cross-head screw 5 x 120 mm for surface-mount installation 4x
- Operating instructions 1x
- Installation manual 1x
- Installation manual for connecting the control cable, depending on the type
of ventilation unit
1x
6.2 Installation materials required
Additionalinstallationmaterialsareneededforsurface-mountandush-mountinstallation.These
must be ordered separately.
Type Part no. Description
M-WRG-M/AP 5062 Surface-mount installation kit consisting of drilling templates for
ventilation unit and outer wall terminal stainless steel pod, including
outdoor air and exhaust air pipe DN 100, 0.5 m long
M-WRG-LR 50 5574 Outdoor air and exhaust air pipe 2 x 0.5 m - DN 100 for ush-
mount installation

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7 Overview of the modules
7.1 Ventilation unit – cover attached
Item Designation
1 Housing
2 Cover
3 Stepping switch for three power
levels + intensive ventilation level
4 Mains switch
7.2 Ventilation unit – cover removed
Item Designation
1Supplyairopeningwithairap
2Supplyairlterwithltercover
3 Intermediate plate
4 Network connection cover
5 Supply air hood
6Extractairlterwithlterring
7Extractairopeningwithairap
7.3 Outer wall terminal
Fig. 8 shows the outer wall terminal M-WRG-ES
by way of example.
Item Designation
1 Opening for drawing in outdoor air
2 Opening for blowing out exhaust air
Fig. 6: Ventilation unit – cover attached
1
2
3
4
Fig. 7: Ventilation unit – cover removed
1
2
3
4
5
6
7
Fig. 8: Outer wall terminal
1
2

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8 Tools and equipment required
8.1 Surface-mount installation
— Adhesivetapeforxingthedrillingtemplate
— Core drill Ø 120 mm
— ExpandingfoamwithabP(nationaltechnicaltestcerticateoftheDIBt)approval(“exact
gap” foam is recommended)
— Hammer drill with 8 mm masonry bit
— Material for closing off the ventilation pipes for plastering (e.g. paper)
— Saw for cutting the ventilation pipes to length
— Set of cross-head screwdrivers
— Set of slotted screwdrivers
— Spirit level
— Torx screwdriver TX20
— Wall chaser
8.2 Flush-mount installation
— Set of cross-head screwdrivers
— Set of slotted screwdrivers
— Torx screwdriver TX20

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9 General installation instructions
NOTE
— The unit must be installed in accordance with the generally acknowledged rules of tech-
nology.
— Connections with adjacent components must be formed to absorb movements between
the contact surfaces.
— Sealanyconnectionsthatareexposedtodrivingrainwithtapes,prolesorsealantssuch
thattheyoffersufcientprotectionagainsttheexpectedconditions.
9.1 Surface-mount installation/ush-mount installation
Thismanualdescribesthesurface-mountandush-mountinstallationoftheventilationunit.
— For surface-mount installation, follow the steps in sections „10 Surface-mount installa-
tion“ from page 18 and „11 Installing the ventilation unit“ from page 26.
— For ush-mount installation, follow the steps in section „11 Installing the ventilation unit“
from page 26.
The ventilation unit is installed once the work described in the following installation
manuals is complete:
Installation manual Part no.
Flush-mount installation kit M-WRG-M (frame construction) 5300-00-01
Flush-mount installation kit with plastering trim (solid construction)
M-WRG-M/MB
5300-01-01
Flush-mount installation kit M-WRG-M/MB-FK... 5300-03-01
Flush-mount installation kit M-WRG-M/MB-FR... 5300-05-01
WARNING
Follow the relevant accident prevention regulations
►Follow the accident prevention regulations when setting up the installation location.
►Protect the outside area against falling parts.
9.2 Electrically disconnecting mains cables
During installation, the ventilation unit is connected to the power supply with a mains cable.
DANGER
Potentially fatal voltages.
— Theelectricalinstallationworkmustonlybecarriedoutbyaqualiedelectrician.
— The VDE regulations or any special safety regulations applicable in your country apply to
the electrical installation work.
►Disconnect the mains cable for connecting to the ventilation unit on all poles from the
mains supply.
►Make sure that the mains supply cannot be switched on again.

Installation manual
M-WRG-S...
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Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4 · D-82239 Alling
[email protected] · www.meltem.com
VENTILATION THE RIGHT WAY
VENTILATION & HEAT RECOVERY
10 Surface-mount installation
10.1 Marking positions of core drill holes with drilling template
►Press the pre-punched cut-outs (item 2
in Fig. 9) for the core drill holes out of the
drilling template.
►Position the drilling template (item 3 in
Fig. 9) at the installation location on the
internal wall.
NOTE
►Observe the required distances of
300 mm from the ceiling and 50 mm
from the side wall.
►Use the spirit level to align the drilling
template (item 1 in Fig. 9).
►Fix the drilling template in place with
adhesive tape (item 4 in Fig. 9).
►Using the spirit level, check again that the
drilling template is aligned.
►Mark the outlines (item 1 in Fig. 10) of
the pre-punched contours in the drilling
template for the core drill holes on the
internal wall.
►Mark the six notches (item 2 in Fig. 10) in
the drilling template on the internal wall.
►Remove the drilling template.
►Draw the cross-hairs (item 3 in Fig. 10) for
the core drill holes using the six marked
notches.
►Check the marks for the core drill holes
against Fig. 10.
Fig. 9: Marking positions of the core drill holes
1
3
4
2
2
Fig. 10: Marks on the internal wall
1
1
2
2
2
3
3

Installation manual
M-WRG-S...
- 19 -
Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4 · D-82239 Alling
[email protected] · www.meltem.com
VENTILATION THE RIGHT WAY
VENTILATION & HEAT RECOVERY
10.2 Drilling core drill holes
►Drill the two Ø 120 mm core drill holes as
described in Fig. 11.
NOTE
►Be sure to align the core drill holes with
a 2° drop from the internal wall to the
external wall. This will allow condensate
in the ventilation pipes to drain to the
outside.
10.3 Drilling holes for dowels and making marks for connecting cables
►Position the drilling template (item 1 in
Fig. 12) precisely over the two core drill
holes.
►Mark the four holes (item 2 in Fig. 12) for
thedowelsforxingtheventilationunitto
the internal wall.
►Mark the position of the passage for the
mains cable (item 4 in Fig. 12) in the
ventilation unit on the internal wall. This
markidentiestheendofthewallchannel
that needs to be chased out for the mains
cable.
►Mark the position of the passage for the
control cable (if used) (item 3 in Fig. 12)
on the internal wall (only for ventilation
units with a control cable connection, see
Table4insection10.8onpage22).Thismarkidentiestheendofthewallchannelthat
needs to be chased out for the control cable.
►Remove the drilling template.
►Drill four holes for the dowels Ø 8 mm and 60 mm deep.
Fig. 11: Drilling core drill holes
Inside Outside
Fig. 12: Holes for dowels and marks for connecting
cables
1
2
2
2
2
3
4

Installation manual
M-WRG-S...
- 20 -
Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4 · D-82239 Alling
[email protected] · www.meltem.com
VENTILATION THE RIGHT WAY
VENTILATION & HEAT RECOVERY
10.4 Chasing out channels for connecting cables
►Chase out a wall channel for the mains
cable starting from the cable passage
(item 1 in Fig. 13).
►Chase out a wall channel for the control
cable (if used) starting from the cable
passage (item 2 in Fig. 13) (only for
ventilation units with a control cable
connection, see Table 4 in section 10.8 on
page 22).
►Position the drilling template (item 2 in
Fig. 14) on the internal wall.
►Fix the drilling template in place with the
four S8 dowels (item 3 in Fig. 14).
►Use the spirit level to align the drilling
templateandxthedrillingtemplatein
place with adhesive tape.
10.5 Inserting the ventilation pipes
Fig. 14: Ventilation pipes on the internal wall Fig. 15: Ventilation pipes on the external wall
1
1
2
3
3
3
3
1
NOTE
►Prepare the breakthrough surfaces suitably for the ventilation pipes.
►Push the two ventilation pipes (item 1 in Fig. 14) through the core drill holes so that they
protrudefromboththeinternalandexternalwall.Theventilationpipesarexedinplaceon
the internal wall by the drilling template for the ventilation unit (item 2 in Fig. 14).
►Push the drilling template for the outer wall terminal (item 1 in Fig. 15) over the ventilation
pipes on the external wall.
►Align the drilling template for the outer wall terminal so that the ventilation pipes have a
2° drop from the internal wall to the external wall.
Fig. 13: Chasing wall channels for the mains cable and
control cable (if used)
12