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Part no. 744003EN Week 33/2020 EN
Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4 · D-82239 Alling
info@meltem.com · www.meltem.com
HOME VENTILATION WITH HEAT RECOVERY
M-WRG-II M-U
for integrating the M-WRG-II ventilation unit series
into the wall in solid walls and frame constructions
V E N T I L A T I O N & H E A T R E C O V E R Y
installation kit
2
V E N T I L AT I O N T H E R I G H T WAY
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Related Manuals for Meltem M-WRG-II M-U2
Summary of Contents for Meltem M-WRG-II M-U2
- Page 1 Part no. 744003EN Week 33/2020 EN Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 ·...
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Page 2: Table Of Contents
Installation materials required ..................17 Dimensions of the installation kit ................18 Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... - Page 3 Inserting flat ductwork into channels ................49 9.10 Cutting flexible pipes to length ..................50 Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com...
- Page 4 Installing the ventilation unit ..................58 Installation example for installation in a solid wall ..........58 Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 ·...
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Page 5: Introduction
Installation kit M-WRG-II M-U and optional filler piece M-WRG-II M/Fü Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... -
Page 6: Target Group
► Store the installation kit in its original packaging in a dry place where the temperature ranges between 0 °C and +40 °C. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 ·... -
Page 7: Revision Index
744007EN ventilation units Table 1: Supplementary documents Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... -
Page 8: Safety Instructions
— Correct use of a ventilation system set up with the decentralised ventilation unit requires the possibility of shutting off combustion air pipes and flue systems for solid fuel fireplaces during periods in which the fireplaces are not in use. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 9: Installation In Wet Areas
► Follow the regulations applicable in your country concerning the age from which people may be permitted to operate the ventilation unit. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 ·... -
Page 10: Note On Use In Conjunction With Room Air Conditioners
— 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 ventilation unit will work perfectly and correctly. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 11: Planning Notes
Fig. 12 on page 22. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 ·... -
Page 12: Unrestricted Access To The Ventilation Unit
► Observe the building regulations applicable in your country. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 13: Flat Ductwork
► Fit a lintel if necessary. ► If you are installing the kit retrospectively, run the flexible pipes in a suspended ceiling. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 14: Electrical Connection
Allow the kit to protrude into the external thermal insulation composite system (ETICS) as this is the only way to allow the ventilation pipes to pass far enough through and so be fixed in place. — When fitting the ETICS, make sure that the ventilation pipes maintain their 2° fall. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... -
Page 15: Planning Example For Installing The Installation Kit In A Frame Construction With A Framing Member Thickness Of 160 Mm
Planning example for installing the installation kit in a frame construction with a framing member thickness of 160 mm Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 ·... -
Page 16: Warranty And Liability
— The ventilation unit was not installed as described in the installation manual. — The ventilation unit was flush-mounted without using a flush-mount installation kit. — Genuine parts/genuine air filters 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 filters and outer wall terminals. — The warranty does not cover wearing parts such as air filters. Liability The manufacturer’s liability shall not apply in the following cases:... -
Page 17: Items Supplied
1/2” male thread condensate connection, M-WRG-II LR 50-KA Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 18: Dimensions Of The Installation Kit
720005, the kit can be shortened at the factory to a minimum length of 258 mm. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 ·... -
Page 19: General Installation Instructions
If the installation kit is to be retrospectively installed in a solid wall, you will need addi- tional tools to break through the wall. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 ·... -
Page 20: Breaking Through The Wall
► Make sure that the wall breakthrough does not affect the local static loading require- ments. ► Fit a lintel if necessary. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 21: Chasing Out Channels For Flat Ductwork Or Flexible Pipes
The dimensions of the wall channels for the flat ducts are: — 125 mm wide — 85 mm deep Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 22: Chasing Out Channels For Connecting Flat Ductwork (Multi-Room Version)
Fig. 14 shows an example with the flat ductwork running vertically and horizontally. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 23: Chasing Out Channels For Connecting Flexible Pipes (Multi-Room Version)
Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com - 23 -... -
Page 24: Chasing Out Channels For Connecting Cables
Fig. 18: Chasing out channels for connecting cables Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 25: Running The Mains And Control Cables
NYM-J 4 x 1.5 mm is needed if this control input is used. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 ·... -
Page 26: Cable Types
Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 27: Option M-Wrg-Ii O/Egg-Aus
Fig. 21: Connection diagrams for M-WRG-II O/EGG-AUS option Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... -
Page 28: Inserting The Wall Box
Inserting the protective cover and plaster cover Fig. 23) into the wall box (item 3 in Fig. 23) as far as it will go. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 29: Fixing The Wall Box
► If the interior wall is not perpendicular or flat, align the front surface of the plastering trim (item 1 in Fig. 25) parallel to a plaster stop bead running vertically. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 30: Filling Gaps Around The Wall Box With Foam
30 mm wide. ► Insert the first section of the flat ductwork into the fitting, e.g. the flat ductwork connector M-WRG-FK-V, part no. 5591, on the wall box and seal the join with sealing tape (item 2 in Fig. 27). Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... -
Page 31: Cutting Flexible Pipes To Length
(item 5 in Fig. 29) into the opening in the wall box. NOTICE ► Run the flexible pipes without forcing or stresses. ► Fix the flexible pipes in place with expanding foam. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... -
Page 32: Plastering The Installation Kit And Flat Ductwork / Flexible Pipes On The Inside
Plastering trim protrudes over plaster Fig. 32: Plaster protrudes over plastering trim Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 33: Condensate Drain On The Exhaust Air Pipe
Fig. 33: Condensate drain on the exhaust air pipe Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 34: Aligning The Wall Box On The Outside Before Plastering
Aligning the wall box without filler piece Fig. 35: Aligning the wall box with filler piece Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 35: Plastering The Installation Kit On The Outside
Plastering the installation kit with filler piece Fig. 37: Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 36: Preparing The Installation Kit For Connecting The Ventilation Pipes
Table 4 on page 37. Fig. 40: Cutting ventilation pipes to length Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 37: Inserting And Fixing The Ventilation Pipes
► Remove any excess sealant. Fig. 41: Inserting and fixing the ventilation pipes Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... -
Page 38: Sealing Ventilation Pipes On External Wall
Fig. 43: Attaching the outer wall terminal Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... -
Page 39: Installing The Installation Kit In A Frame Construction
— Saw for cutting the channels in the frame construction — Styrofoam saw — Spirit level Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 40: Creating A Mount For The Installation Kit In A Frame Construction
— At least 50 mm between the side and bottom edges of the wall box and adjacent surfaces Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 ·... -
Page 41: Chasing Out Channels For Flat Ductwork Or Flexible Pipes
— Minimise the number of bends in the flexible pipes. — Run the two flexible pipes of a flexible pipe connection in parallel to one another. The minimum distance between the flexible pipes must not be less than 3x the pipe diameter. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... -
Page 42: Running The Mains And Control Cables
NYM-J 4 x 1.5 mm is needed if this control input is used. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 ·... -
Page 43: Cable Types
— External wireless CO sensor M-WRG-II FSC, part no. 733011 (**) If the external control input is used Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 44: External Control Input
Windowless rooms can be ventilated in accordance with DIN 18017-3 in combination with the M-WRG-II O/NOF option (part no. 721004). Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 45: Option M-Wrg-Ii O/Egg-Aus
Fig. 48: Connection diagrams for M-WRG-II O/EGG-AUS option Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... -
Page 46: Inserting And Fixing The Wall Box
— Make sure that the wall box is perpendicular as this is the only way to ensure that any condensation will be carried outside by the 2° pipe fall. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 ·... -
Page 47: Inserting The Protective Cover And Plaster Cover
Fig. 52: Inserting the protective cover and plaster cover Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 48: Filling Gaps Around The Wall Box With Insulating Material
Fig. 54: Inner OSB board as the vapour barrier and airtight layer Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 49: Inserting Flat Ductwork Into Channels
► Fill the gaps around the flat ductwork with insulating material or other suitable filling materials. This will improve both the seal and the insulation. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 50: Cutting Flexible Pipes To Length
► Insert the flexible pipe connection (item 5 in Fig. 57) into the opening in the wall box. NOTICE ► Run the flexible pipes without forcing or stresses. ► Fix the flexible pipes in place with expanding foam or insulating material. Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... -
Page 51: Cladding The Installation Kit And Flat Ductwork / Flexible Pipes On The Inside
The cladding must not protrude more than above the cladding 15 mm Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 52: Condensate Drain On The Exhaust Air Pipe
Fig. 61: Condensate drain on the exhaust air pipe Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 53: Aligning The Wall Box On The Outside Before Plastering
Aligning the wall box without filler piece Fig. 63: Aligning the wall box with filler piece Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 54: Plastering The Installation Kit On The Outside
Plastering the installation kit with filler piece Fig. 65: Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 55: Preparing The Installation Kit For Connecting The Ventilation Pipes
Table 7 on page 56. Fig. 68: Cutting ventilation pipes to length Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com ·... -
Page 56: Inserting And Fixing The Ventilation Pipes
► Remove any excess sealant. Fig. 69: Inserting and fixing the ventilation pipes Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... -
Page 57: Sealing Ventilation Pipes On External Wall
Fig. 71: Attaching the outer wall terminal Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... -
Page 58: Installing The Ventilation Unit
M-WRG-II U AD/WS Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com... - Page 59 V E N T I L A T I O N & H E A T R E C O V E R Y Space for notes Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 ·...
- Page 60 Go to Email: info@meltem.com Meltem download area Meltem Wärmerückgewinnung GmbH & Co. KG V E N T I L AT I O N T H E R I G H T WAY Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com...
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