airmaster AM 50 Guide

0
Mounting
AM 50
1·2

This manual features texts, illustrations, and drawings that may not be replicated or otherwise circulated, even as excerpts, without
express permission from Airmaster A/S.
Revision
Date
Description
1.0
2022-11-15
First edition.
IMPORTANT!
Read the manual thoroughly before using the product.
Keep this manual for later use.
Place of installation and serial number (S/N)
Type
Delivery date
Mounting location
S/N Air handling unit
S/N Cooling Module -

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Table of content
1Introduction....................................................................................................................................................................................................................................6
1.1 Target group ........................................................................................................................................................................................................................6
1.2 Warning Symbols..............................................................................................................................................................................................................6
1.3 Liability.....................................................................................................................................................................................................................................6
2Safety Instructions.....................................................................................................................................................................................................................7
2.1 Responsibility ......................................................................................................................................................................................................................7
2.1.1 Personnel requirements ....................................................................................................................................................................................7
3Product Identification..............................................................................................................................................................................................................8
3.1 Product name and type.................................................................................................................................................................................................8
3.2 Correct use ...........................................................................................................................................................................................................................8
3.3 Capacity ..................................................................................................................................................................................................................................8
3.4 Specifications......................................................................................................................................................................................................................8
3.4.1 Wall thickness ..........................................................................................................................................................................................................8
3.4.2 Dimensions.................................................................................................................................................................................................................9
3.4.3 Filter class ...................................................................................................................................................................................................................9
3.5 Manufacturer.......................................................................................................................................................................................................................9
3.6 EU Declaration of Conformity................................................................................................................................................................................ 10
3.7 Certificates ........................................................................................................................................................................................................................ 10
3.8 Warranty.............................................................................................................................................................................................................................. 10
4Transportation and storage ............................................................................................................................................................................................... 11
5Installation .....................................................................................................................................................................................................................................12
5.1 Installation accessories and tools ........................................................................................................................................................................12
5.2 Unpacking............................................................................................................................................................................................................................12
5.3 Minimum distance to the building parts...........................................................................................................................................................13
5.4 Mutual minimum distances ......................................................................................................................................................................................13
5.5 Hole drilling .........................................................................................................................................................................................................................14
5.6 Shortening the tubes....................................................................................................................................................................................................14
5.6.1 Ø250 mm.................................................................................................................................................................................................................. 15
5.6.2 Ø90 mm..................................................................................................................................................................................................................... 15
5.6.2.1 Isolation ............................................................................................................................................................................................................... 15
5.7 Outside mounting .......................................................................................................................................................................................................... 16
5.7.1 Preparation of outside hood ........................................................................................................................................................................ 16
5.7.2 Mounting of sealing band on the outside hood.................................................................................................................................17
5.7.3 Sealing tape on façade wall ...........................................................................................................................................................................17
5.7.4 Applying sealant between sealing tape and façade wall............................................................................................................ 18
5.7.5 Mounting of the outside hood..................................................................................................................................................................... 18
5.8 Internal mounting...........................................................................................................................................................................................................20
5.8.1 Applying sealant...................................................................................................................................................................................................20
5.8.2 Preparing the wall cover.................................................................................................................................................................................20

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5.8.3 Mounting the wall cover...................................................................................................................................................................................21
5.8.4 Fixation and tensioning ...................................................................................................................................................................................22
5.9 Electrical connection...................................................................................................................................................................................................24
5.9.1 24V Cable connection and wiring.............................................................................................................................................................24
5.9.2 230V Cable connection, top (standard)................................................................................................................................................26
5.9.3 230V cable connection from the right or bottom ..........................................................................................................................27
5.9.4 230V cable connection from the left .....................................................................................................................................................29
5.9.5 230V hidden cable connection ................................................................................................................................................................. 30
5.10 Mounting the air handling unit......................................................................................................................................................................31
5.10.1 Half-hole for cable (Only for visible cable routing) ..........................................................................................................................31
5.10.2 Mounting and fixation of the ventilation unit......................................................................................................................................31
5.10.3 Mounting the internal cover .........................................................................................................................................................................32
6Testing the installation.........................................................................................................................................................................................................33
7Dismounting, disassembly and disposal ...................................................................................................................................................................34
7.1 Dismounting......................................................................................................................................................................................................................34
7.2 Disassembly ......................................................................................................................................................................................................................34
7.3 Disposal................................................................................................................................................................................................................................34
Appendix A EU Declaration of Conformity ...............................................................................................................................................................35
Appendix B Certificates........................................................................................................................................................................................................36

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Figures
Figure 1 - Minimum wall thickness .............................................................................................................................................................................................9
Figure 2 - Dimensions. All measurements in [mm] ..........................................................................................................................................................9
Figure 3 - Unpacking.........................................................................................................................................................................................................................12
Figure 4 - Minimum distances to the building parts (in mm) ...................................................................................................................................13
Figure 5 - Mutual minimum distances ...................................................................................................................................................................................13
Figure 6 - Drilling the hole in the wall......................................................................................................................................................................................14
Figure 7 - Wall thickness for calculating the tube length..........................................................................................................................................14
Figure 8 - Shortening of the Ø250 mm tube.................................................................................................................................................................... 15
Figure 9 - Shortening of the Ø90 mm tube....................................................................................................................................................................... 15
Figure 10 - Preparation of outside hood with Ø90 mm tube................................................................................................................................. 16
Figure 11 - Preparation of outside hood with Ø250 mm tube ............................................................................................................................... 16
Figure 12 - Sealing band on the outside hood...................................................................................................................................................................17
Figure 13 - Outside sealing tape................................................................................................................................................................................................17
Figure 14 - Outside sealant application................................................................................................................................................................................ 18
Figure 15 - Mounting of the outside hood.......................................................................................................................................................................... 18
Figure 16 - Outside hood, level .................................................................................................................................................................................................. 19
Figure 17 - Internal sealant...........................................................................................................................................................................................................20
Figure 18 - Application of elastic sealant to the wall cover......................................................................................................................................21
Figure 19 - Mounting of internal wall cover........................................................................................................................................................................21
Figure 20 - Strips from the outside hood are guided into the internal wall cover ....................................................................................23
Figure 21 - One loose strip is connected to each of the strips..............................................................................................................................23
Figure 22 - The strips are pushed down..............................................................................................................................................................................23
Figure 23 - Bend and cut the “mounted” strips..............................................................................................................................................................23
Figure 24 - Bend and cut the other strips...........................................................................................................................................................................23
Figure 25 -The internal wall cover is assembled............................................................................................................................................................23
Figure 26 - 24V cable routing.....................................................................................................................................................................................................24
Figure 27 - 24V cable connection to terminal 1..............................................................................................................................................................24
Figure 28 - Sealing cable hole....................................................................................................................................................................................................25
Figure 29 - 230V cable connecting; several options available.............................................................................................................................25
Figure 30 - Terminal 2.....................................................................................................................................................................................................................26
Figure 31 - 230V cable connection in Terminal 2..........................................................................................................................................................26
Figure 32 – New location of terminal 2 if cable connection to the right is required................................................................................27
Figure 33 - Shorten the internal cable..................................................................................................................................................................................27
Figure 34 - Internal cable connected to terminal 2......................................................................................................................................................27
Figure 35 - 230V cable connection from the right with cable clamp...............................................................................................................28
Figure 36 - Location of terminal 2 with cable routing from below.....................................................................................................................28
Figure 37 - Remove the internal cable .................................................................................................................................................................................29
Figure 38 - Connecting the left side cable and wiring................................................................................................................................................29
Figure 39 - Cable connection with cable clamp in terminal 3............................................................................................................................... 30
Figure 40 - Hidden 230V cable connection..................................................................................................................................................................... 30
Figure 41 - Half-hole for the 230V cable, shown here with a connection from the top.........................................................................31
Figure 42 - The ventilation unit mounted in the tube ..................................................................................................................................................31
Figure 43 - The ventilation unit is clicked unto the wall cover..............................................................................................................................32
Figure 44 - The internal cover is mounted on the ventilation unit .....................................................................................................................32
Figure 45 - Starting AM 50 (testing the installation)...................................................................................................................................................33
Tables
Table 1 - Product name and type................................................................................................................................................................................................8
Table 2 - Capacity, sound pressure, nominal current.....................................................................................................................................................8
Table 3 - Weight and dimensions............................................................................................................................................................................................. 11

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1Introduction
This manual is a guide for mounting an AM 50. The full documentation package contains a Mounting manual and an
Operation and Maintenance manual.
Both manuals are available at https://www.airmaster-as.com/en/
The manual should be passed along to and saved by the air handling unit’s owner.
1.1 Target group
This manual is addressed to qualified personnel. Laypersons should not attempt to mount an AM 50 unit.
1.2 Warning Symbols
This manual may contain warning symbols. The symbols adhere to the ISO7010 standard. The visual depiction may
vary depending on the type of media.
The symbols are described below:
DANGER
Danger to persons.
Failure to comply with the instruction results in severe or fatal injuries to persons.
WARNING
Danger to persons.
Failure to comply with the instruction can result in injuries to persons.
NOTICE
Avoiding material damage.
Failure to comply with the instruction can damage the device and/or its environment.
Information, tips, and recommendations.
1.3 Liability
The manufacturer cannot be held liable for damages, which occur due to usage in violation of this manual’s
instructions.
The manufacturer reserves the right to make changes without notice. All values stated are nominal values and may be
affected by local conditions.
The warranty is voided, should this manual not be followed.

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2Safety Instructions
Read this manual before installing the air handling unit. Follow the manual to ensure the correct operation of the
product. Breaching the instructions marked with a warning symbol carries a risk of personal injury or material damage.
DANGER
The air handling unit must not be installed in rooms with flammable and corrosive gas in the air.
WARNING
The air handling unit must not be installed in rooms with abrasive particles in the air.
WARNING
The electrical installation of the AM 50 may only be carried out by an authorized electrician or by
Airmaster A/S.
The electrical installation should be implemented such that it is of no danger to people, domestic animals, or property,
and that the electrical installation is functioning correctly.
We recommend that AM 50 is mounted directly to the electrical installation and that the supply is dimensioned and
mounted accordingly. Alternatively, AM 50 can be connected to a light bulb socket or similar.
The installation must always follow the most recent version of this manual, which is available at
https://www.airmaster-as.com/en/
2.1 Responsibility
The installer is responsible for installing the air handling unit following existing rules and standards.
2.1.1 Personnel requirements
The mounting of the unit should be done by qualified personnel.

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3Product Identification
3.1 Product name and type
Product name AM 50
Unit item number 9000050001
Type Decentral air handling unit. Stand-alone unit.
Table 1 - Product name and type
3.2 Correct use
AM 50 is a decentralized room-based air handling unit with heat recovery. AM 50 provides a balanced exchange of air
in living spaces and smaller rooms.
NOTICE
AM 50 is not designed for wet rooms or kitchens.
Should you wish to use the AM 50 in wet rooms or kitchens, the unit should be used in tandem with an
air exhaust system in compliance with existing building regulations.
3.3 Capacity
AM 50 has six ventilation settings. Table 2 below shows settings, capacity, sound, and nominal current.
Settings
Capacity [m3/h]
Sound pressure [dB(A)]
Nominal current [A]
1
15
25
0,05
2
21
30
0,06
3
28
35
0,08
4
37
40
0,10
5
46
45
0,13
6
59
50
0,19
Table 2 - Capacity, sound pressure, nominal current
AM 50 will automatically adapt its ventilation settings to the desired interval based on the relative humidity in the
room.
3.4 Specifications
For further specifications beyond the ones mentioned below, consult the data sheet for AM 50 on Airmaster’s
website.
Direct link: Data sheets, choose ’AM 50’.
3.4.1 Wall thickness
The wall thickness needed to install AM 50 should be a minimum of 250 mm, see Figure 1.

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Figure 1 - Minimum wall thickness
3.4.2 Dimensions
Figure 2 - Dimensions. All measurements in [mm]
3.4.3 Filter class
ISO ePM10 50%
3.5 Manufacturer
Airmaster A/S, Industrivej 59, 9600 Aars, Denmark.
Phone: [phone]
E-mail: [e-mail]
Web site: www.airmaster.dk

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3.6 EU Declaration of Conformity
EU Declaration of Conformity can be found in Appendix A on page 35. The most recent version is always available on
our website.
Direct link: EU Documentation, choose ’EU Declaration of Conformity’.
3.7 Certificates
AM 50 is Eco Label certified, please see Appendix B on page 36. The most recent version is always available on our
website.
Direct link: EU Documentation, choose ’Eco Labels’.
3.8 Warranty
The unit comes with a 24-month warranty, for further information see Terms of Sale and Delivery.

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4Transportation and storage
AM 50 is packed in a cardboard box.
During transport, the box must be tied up in such a way that it will not move or shift. Make sure that the box is not
dropped or otherwise damaged during handling.
The box should be stored in a dry area.
Gross weight (unit and box) 11,6 kg.
Net weight (unit) 9,1 kg.
Box dimensions (l*w*h) 71*35*37 cm.
Table 3 - Weight and dimensions

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5Installation
5.1 Installation accessories and tools
Before installing AM 50 you will need to have the following installation accessories ready:
•Elastic sealant
•DAFA sealing tape, illmod 600, 15/5-10 (grey color)
•3x0,75 mm2cable.
It is not possible to do a correct installation without this equipment.
Tools: a core drill (Ø255 mm), a spirit level, a measuring rod/measuring tape, a saw for shortening plastic tubes,
scissors/utility knife to cut isolation, scissors/cutting pliers to cut strips, and a wire stripper. Additionally, a TX10 and a
flat-tip screwdriver.
5.2 Unpacking
AM 50 comes in a box, which contains:
1. Outside hood with 4 attached strips
2. 4pcs. loose strips
3. Ø90 mm tube
4. Ø250 mm tube
5. Wall cover
6. Ventilation unit
7. Internal cover
8. Sealing band.
Figure 3 - Unpacking
Additionally:
•A piece of isolation for the Ø90 mm tube
•Manuals.
Make sure you have all the parts and check if any parts look damaged before starting the installation.
You may not do the installation if one or more parts are damaged or missing.

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5.3 Minimum distance to the building parts
To ensure the maximum efficiency of AM 50, the provided minimum distances should be respected. The minimum
distances ensure that the unit can easily distribute the air into the room pleasantly and mutedly.
A minimum distance of 450 mm from the ceiling is required, and the minimum distance from a wall must be 200 mm,
see Figure 4 below.
Figure 4 - Minimum distances to the building parts (in mm)
5.4 Mutual minimum distances
Should there be multiple units in the same room, they will require space between each other to not “disturb” each
other. Likewise, it is necessary to have space between fixed installations and similar ones that could obstruct the inlet
air zone.
The size of this space is dependent on the size of the room and the interior layout. Figure 5 below shows an example
in which a table and a chair have been placed away from the wall to allow unhindered air circulation. If the table were
placed up against the wall, the air would be reflected off the table surface, which would create a feeling of a draught if
one were sitting by the table.
Figure 5 - Mutual minimum distances
It is important to be aware of obstacles, e.g., a big lamp hanging from the ceiling, which might affect the air current
coming from the air handling unit.

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5.5 Hole drilling
Drill a Ø255 mm hole in the wall, see Figure 6 below. AM 50 needs a 2-degree slant toward the façade. This is
important to ensure that any condensation can leak out and to prevent rain from leaking inside.
Figure 6 - Drilling the hole in the wall
5.6 Shortening the tubes
Start by measuring the wall thickness ‘A’ through the hole, see Figure 7 below.
Figure 7 - Wall thickness for calculating the tube length

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5.6.1 Ø250 mm
The Ø250 mm tube (4) is sawed the length of A + 10 mm, measured from the end of the tube with the 4 holes, see
Figure 8 below.
Figure 8 - Shortening of the Ø250 mm tube
Clean any dust and impurities off the tube and its sawed-off edge.
5.6.2 Ø90 mm
The Ø90 mm tube (3) is sawed the length of A ÷ 215 mm, measured from the milled grooves, see Figure 9 below.
Figure 9 - Shortening of the Ø90 mm tube
Clean any dust and impurities off the tube and its sawed-off edge.
5.6.2.1 Isolation
The isolation for the Ø90 tube should be 30 mm shorter than the tube. You can use scissors or a utility knife to
shorten the isolation.

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5.7 Outside mounting
5.7.1 Preparation of outside hood
No tools are necessary.
1. The outward-facing side of the outside hood (1) is placed on a piece of cardboard from the packaging on top
of a steady surface. The outside hood comes with pre-mounted strips.
2. Press the Ø90 tube (3) with the milled grooves against the inside of the hood so it clicks on. See Figure 10
below. Afterward, put the isolation down around the tube. It is important to push it all the way down toward
the hood.
Figure 10 - Preparation of outside hood with Ø90 mm tube
3. Take the Ø250 mm tube (4) - holes facing downwards - then guide it outside the strips and the cable down
toward the inside of the hood. Rotate the tube so the holes meet the spring catches on the hood and click the
tube on. See Figure 11 below.
Figure 11 - Preparation of outside hood with Ø250 mm tube

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5.7.2 Mounting of sealing band on the outside hood
The outside hood is prepared with the included sealing band (8). The sealing band should be placed on the outside of
the Ø250 tube and inserted down into the outside hood, see Figure 12 below.
Figure 12 - Sealing band on the outside hood
5.7.3 Sealing tape on façade wall
The DAFA sealing tape – illmod 600, 15/5-10, is mounted on the edge of the hole on the façade to prevent water
penetration into the wall.
The sealing tape must be joined at the bottom of the hole, see Figure 13 below.
Figure 13 - Outside sealing tape

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5.7.4 Applying sealant between sealing tape and façade wall
If the facade is irregular, e.g. a blank wall with recessed joints, the holes created by the joints under the sealing tape
should be filled out with an elastic sealant, see Figure 14 below.
We recommend that you use a sealant with the same color as the joints.
Figure 14 - Outside sealant application
5.7.5 Mounting of the outside hood
1. Push the outside hood into the wall from the outside, see Figure 15 below.
Please notice that the outside-facing parts are not yet attached. Take the necessary precautions against
dropping the parts.
Figure 15 - Mounting of the outside hood
2. Rotate the outside hood until it is level, see Figure 16.

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Figure 16 - Outside hood, level
3. Press the outside hood against the sealing tape.
The outside mounting is now complete. Now the internal mounting is carried out followed by the joining and fastening
of the two units.

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5.8 Internal mounting
NOTICE
It is necessary to access and decide whether the air handling unit should be mounted with a visible or
hidden 230V cable routing before the internal mounting begins, see section 5.9 for further
information.
If a hidden cable routing is desired, you need to drill a hole in the wall cover (5) before it is mounted,
see section 5.9.5 on page 30.
We recommend that the 230V cable for the hidden routing is connected in the wall cover (5) before
the sealant is applied and the wall cover is mounted.
5.8.1 Applying sealant
The space on the inside between the Ø250 tube and the wall is sealed with an elastic sealant, see Figure 17 below.
Figure 17 - Internal sealant
5.8.2 Preparing the wall cover
The wall cover (5) is mounted next. Before this can be done, the elastic sealant should be applied to the back of the
wall cover, see Figure 18.