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Installation Manual 

M-WRG-M/MB-FR75/1 / FR75/2 / FR63/1 / FR63/2

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V E N T I L AT I O N   &   H E AT   R E C O V E R Y

Meltem Wärmerückgewinnung GmbH & Co. KG

Am Hartholz 4 · D-82239 Alling

[email protected] · www.meltem.com

VENTILATION THE RIGHT WAY

Items supplied

4.1 

Installation kit M-WRG-M/MB-FR75/1, part no. 5051-21/75

 

Installation kit M-WRG-M/MB-FR63/1, part no. 5051-21/63

Item

Description

Qty.

Parts

1

Wall box

1x

2

Cardboard insert

1x

3

Protective cover for wall 

box

1x

4

Signal cover

1x

5

Protective cover for flex-

ible pipe connection

1x

6

Flexible pipe connection 

with protective cover

1x

7

Blind rivet

2x

8

Assembly fixing plate

1x

9

Spax screw 4.5 x 35

3x

10

Protective sleeve

2x

4.2 

Installation kit M-WRG-M/MB-FR75/2, part no. 5051-22/75

 

Installation kit M-WRG-M/MB-FR63/2, part no. 5051-22/63

Item

Description

Qty.

Parts

1

Wall box

1x

2

Cardboard insert

1x

3

Protective cover for wall 

box

1x

4

Signal cover

1x

5

Protective cover for flex-

ible pipe connection

2x

6

Flexible pipe connection 

with protective cover

2x

7

Blind rivet

4x

8

Assembly fixing plate

2x

9

Spax screw 4.5 x 35

6x

10

Protective sleeve

2x

4.3 

Options

Item

Description

Part no.

11

Installation kit filler piece M-WRG-M/Fü 5575-5

-

Plaster scrim M-WRG-PG

5060

Summary of Contents for 5051-21/63

Page 1: ...LATION MANUAL HOME VENTILATION WITH HEAT RECOVERY Flush mount installation kit M WRG M MB FR75 1 M WRG M MB FR75 2 M WRG M MB FR63 1 M WRG M MB FR63 2 Solid construction with one flexible pipe connection Solid construction with two flexible pipe connections for flush mounting ventilation units from the M WRG S and M WRG K series Part no 5300 05 07 2013 EN ...

Page 2: ...nstallation kit 8 6 Tools and equipment required 8 7 Installing the installation kit 9 7 1 Fixing the fixing plate to the wall box 9 7 2 Breaking through the wall 9 7 2 1 Planning the wall breakthrough for new builds 9 7 2 2 Breaking through an existing wall 10 7 3 Chasing out channels for flexible pipe connections 11 7 4 Chasing out channels for connecting cables 12 7 5 Running the connecting cab...

Page 3: ...structions carefully before installing the kit WARNING Follow ALL danger and warning instructions and notes on precautionary measures Read sections 2 Safety instructions on page 4 and 3 Planning notes on page 5 carefully 1 2 Description This manual describes how to flush mount the following installation kits in solid walls M WRG M MB FR75 63 1 with one flexible pipe connection for exhaust air or s...

Page 4: ...r if the notes on precautionary measures are ignored 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 Operation with heating appliances that draw air from the room Follow the requirements of the German Fire Code FeuVo when planning an...

Page 5: ...xchange is achieved if the supply and exhaust air openings are roughly 30 cm top edge of the unit below the ceiling exception exhaust air opening in the ceiling if the 2 room solution is used Maintain the following minimum distances For this installation kit the distance between the top edge of the wall box and the ceiling must be at least 30 cm otherwise there will not be enough space for con nec...

Page 6: ...ding regulations applicable in your country NOTE Observe the following recommendations for the use of flexible pipes as this will avoid unin tentional pressure losses in the flexible pipes As far as possible use flexible pipes with nominal diameter DN 75 Always connect two flexible pipes to the flexible pipe connection Run the two flexible pipes of a flexible pipe connection in parallel to one ano...

Page 7: ...nnection 1x 6 Flexible pipe connection with protective cover 1x 7 Blind rivet 2x 8 Assembly fixing plate 1x 9 Spax screw 4 5 x 35 3x 10 Protective sleeve 2x 4 2 Installation kit M WRG M MB FR75 2 part no 5051 22 75 Installation kit M WRG M MB FR63 2 part no 5051 22 63 Item Description Qty Parts 1 Wall box 1x 2 Cardboard insert 1x 3 Protective cover for wall box 1x 4 Signal cover 1x 5 Protective co...

Page 8: ...le for control cable only needed for certain ventilation units see Tab 1 on page 13 6 Tools and equipment required Riveter Sealing tape 30 mm wide for installing the flexible pipes e g Coroplast Wedges for fixing the wall box 8x Wedges for fixing the filler piece if necessary 4x Set of cross head screwdrivers Wall chaser Expanding foam exact gap foam to EnEV standards is recommended Styrofoam saw ...

Page 9: ...MB FR75 63 1 Fixing the fixing plate for exhaust air or supply air Fig 5 M WRG M MB FR75 63 2 Fixing the fixing plates for exhaust air and supply air 7 2 Breaking through the wall The wall breakthrough can either be included when planning a new build or subsequently made in the solid wall 7 2 1 Planning the wall breakthrough for new builds Commission an architect or design professional to include ...

Page 10: ... 2 Breaking through an existing wall WARNING Danger due to damaging supply lines and changing the stress loadings Make sure that there are no supply lines in the vicinity of the wall breakthrough e g gas water or power Make sure that the wall breakthrough does not affect the local static loading requirements Fit a lintel if necessary Break through the wall There are two possible versions of the wa...

Page 11: ...nd the supply air pipe item 2 in Fig 8 Check that the installation kit fits easily into the wall breakthrough Check that the installation kit can be pushed far enough into the wall breakthrough for the front surface of the wall box to end flush against the solid wall and extend 15 mm beyond the plastering trim Fig 9 contains a sample layout for the flexible pipes NOTE The dimensions of the channel...

Page 12: ... the mains cable from the left and the con trol cable if used from the right at the wall breakthrough 7 5 Running the connecting cables DANGER Potentially fatal voltages The electrical installation work must only be carried out by a qualified electrician The VDE regulations or any special safety regulations applicable in your country apply to the electrical installation work NOTE You will find det...

Page 13: ...016 2 0 M WRG S Z A NYM 0 2 x 1 5 mm2 or NYM J 3 x 1 5 mm2 J Y St Y 4 x 2 x 0 6 mm2 or J Y St Y 4 x 2 x 0 8 mm2 5016 1 2 5016 1 2 1 5016 1 2 2 5016 2 2 M WRG S Z KNX M WRG S Z KNX F M WRG S Z KNX FC M WRG S Z EIB NYM 0 2 x 1 5 mm2 or NYM J 3 x 1 5 mm2 J Y St Y 2 x 2 x 0 8 mm2 or EIB Y St Y 2 x 2 x 0 8 mm2 5016 2 1 M WRG S Z 24 NYM 0 2 x 1 5 mm2 or NYM J 3 x 1 5 mm2 J Y St Y 5 x 2 x 0 6 mm2 J Y St ...

Page 14: ...l box item 4 in Fig 13 Insert the protective cover item 2 in Fig 13 into the wall box item 4 in Fig 13 as far as it will go Check that the red signal cover item 3 in Fig 13 is seated in the protective cover 7 8 Fixing the wall box Fix the wall box item 1 in Fig 14 in posi tion in the wall breakthrough using wedges item 2 in Fig 14 Use the spirit level item 3 in Fig 14 to align the wall box so that...

Page 15: ...aps around the wall box with foam NOTE Check that the wall box is seated correctly Once you have used the foam you will not be able to align the wall box further Fill the gaps between the wall box and wall breakthrough all around and continuously with expanding foam item 1 in Fig 16 or using another insulating material Once the foam has hardened remove any wedges that extend beyond the solid wall ...

Page 16: ...am This will improve both the seal and the insulation 7 12 Riveting the flexible pipe connection to the fixing plate Remove the protective cover for the flexible pipe connection item 1 in Fig 19 Use the riveter to fix the flexible pipe con nection item 2 in Fig 19 to the fixing plate item 4 in Fig 19 with two blind rivets item 3 in Fig 19 Push the protective cover item 1 in Fig 19 back into the fl...

Page 17: ...and continuously with expanding foam or using another insu lating material If the solid wall is less than 36 5 cm thick Use a Styrofoam saw to cut off the excess wall box item 1 in Fig 21 and Fig 22 and filler piece if necessary item 2 in Fig 22 so that they are flush with the solid wall or any insula tion If the solid wall is more than 36 5 cm thick Compensate for thicker walls with continuous pi...

Page 18: ...They should extend beyond the solid wall so that they will end flush with the subsequent plaster coat The protective sleeves provide the bonding sur face for the external plaster Apply the plaster scrim item 2 in Fig 23 and Fig 24 to the outside of the wall box to the masonry and to the facade insulation NOTE Applying plaster scrim will prevent cracks subse quently forming in the plaster Plaster t...

Page 19: ...in Fig 25 and or exhaust air duct item 5 in Fig 25 Work on the external wall Remove the two protective sleeves item 1 in Fig 26 Chamfer both pipe breakthrough edges item 2 in Fig 26 to roughly 5x45 to create enough space for the silicone bead 7 17 Inserting the ventilation pipes Push the two ventilation pipes item 1 in Fig 27 into the openings in the wall box until they end flush item 2 in Fig 27 ...

Page 20: ...amaging the seals at the ventilation unit and outer wall terminal Push the ventilation pipes back into the wall box until they are flush Use silicone to seal the ventilation pipes into the facade at the outer wall Fill the chamfers of the pipe breakthrough edges all round with silicone 8 Installing the ventilation unit NOTE Installation of the ventilation unit in the wall box is described in the V...

Page 21: ... Manual M WRG M MB FR75 1 FR75 2 FR63 1 FR63 2 21 VENTILATION HEAT RECOVERY Meltem Wärmerückgewinnung GmbH Co KG Am Hartholz 4 D 82239 Alling info meltem com www meltem com VENTILATION THE RIGHT WAY Space for notes ...

Page 22: ... Manual M WRG M MB FR75 1 FR75 2 FR63 1 FR63 2 22 VENTILATION HEAT RECOVERY VENTILATION THE RIGHT WAY Meltem Wärmerückgewinnung GmbH Co KG Am Hartholz 4 D 82239 Alling info meltem com www meltem com Space for notes ...

Page 23: ... Manual M WRG M MB FR75 1 FR75 2 FR63 1 FR63 2 23 VENTILATION HEAT RECOVERY Meltem Wärmerückgewinnung GmbH Co KG Am Hartholz 4 D 82239 Alling info meltem com www meltem com VENTILATION THE RIGHT WAY Space for notes ...

Page 24: ...unit described in it There may nevertheless still be differences so we cannot guarantee complete accuracy The information in this publication is regularly checked and any necessary corrections are made in the subsequent edi tions Copyright Meltem Wärmerückgewinnung GmbH Co KG We reserve the right to make changes Meltem Wärmerückgewinnung GmbH Co KG Am Hartholz 4 D 82239 Alling Germany Tel 49 0 814...

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