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Part no. 744004EN Week 13/2020 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 ventilation units
Surface-mount installation
Surface-mount installation with ductwork connection
Flush-mount installation
Flush-mount installation with ductwork connection
U
integrated into wall installation with ductwork connection
2
V E N T I L A T I O N & H E A T R E C O V E R Y
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
Summary of Contents for Meltem M-WRG-II
- Page 1 Part no. 744004EN Week 13/2020 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 · D-82239 Alling...
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Page 2: Table Of Contents
................17 5.3 Ventilation unit with duct adapter for flush-mount installation with ductwork connection ........................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 · www.meltem.com... - Page 3 Items supplied ......................19 M-WRG-II ventilation unit ....................19 Installation materials required ..................20 6.2.1 Surface-mount installation for units from the M-WRG-II P series ......... 20 6.2.2 Surface-mount installation for units from the M-WRG-II E series ......... 20 6.2.3 Flush-mount installation with ductwork connection ............20 6.2.4...
- Page 4 ................39 11.7 Connecting the mains cable and control cable (if used) ..........40 11.8 Connecting the M-WRG-II O/EGG-AUS option ............41 11.9 Fixing the electronics compartment cover plate ............41 11.10 Attaching the unit cover pull-out straps (for U integrated into wall installation only) ..
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Page 5: Introduction
Notes on this installation manual This installation manual contains important information that should be followed when installing the ventilation units from the M-WRG-II series. ► Read all the instructions carefully before installing the ventilation unit to avoid possible risks and mistakes. -
Page 6: Target Group
EU declaration of conformity Fig. 5: integrated into wall installation with ductwork connection The ventilation units from the M-WRG-II P and M-WRG-II E series manufactured by Meltem Wärmerückgewinnung GmbH & Co. KG Am Hartholz 4 D-82239 Alling conform to the regulations and standards listed in the EU Declaration of Conformity provided. -
Page 7: National Technical Approval (For Germany)
(see item 2 in Fig. 7). Fig. 7: Position of the nameplate 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 8: Storage
(solid construction) M-WRG-II M/MB Installation manual for flush-mount installation kit M-WRG-II M 744002EN (frame construction) Installation manual for flush-mount installation kit M-WRG-II M-U 744003EN Installation manual for outer wall terminals M-WRG-II ES, M-WRG-II KSR 744005EN Installation manual for window reveal installation kit 744006EN Operating instructions for M-WRG-II P (-F, -FC), M-WRG-II E (-F, -FC) 744007EN ventilation units Table 1: Supplementary documents Meltem Wärmerückgewinnung GmbH &... -
Page 9: Safety Instructions
Operation with fireplaces — An additional safety device (underpressure or differential pressure monitor) is needed to monitor operation when M-WRG-II ventilation units are used in conjunction with fireplaces. — Follow the requirements of the German Fire Code (FeuVo) when planning and installing the unit. -
Page 10: Installation In Wet Areas
The heat recovery process in our ventilation units causes condensation. This condensa- tion is dissipated via the exhaust air pipe. — If M-WRG-II P ventilation units are used, a condensate connection should be provided (see section 10.4 on page 26). -
Page 11: Note On Use In Conjunction With Room Air Conditioners
(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 ventilation unit will work perfectly and correctly. -
Page 12: Planning Notes
5 cm. The ventilation unit will be easier to operate if 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 13: Unrestricted Access To 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 · D-82239 Alling info@meltem.com ·... -
Page 14: Electrical Connection
(see section “1.11 Supplementary documents” on page 8). 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 15: 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 16: Dimensions
Ventilation unit without duct adapters 194,5 Fig. 9: M-WRG-II ventilation unit without duct adapters, dimensions in millimetres 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 17: Ventilation Unit With Duct Adapters For Surface-Mount And U 2 Integrated Into Wall Installation
208,5 194,5 Fig. 10: M-WRG-II ventilation unit with duct adapters for surface-mount and U integrated into wall installation, dimensions in millimetres 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 18: Ventilation Unit With Duct Adapter For Flush-Mount Installation With Ductwork Connection
Fig. 11: M-WRG-II ventilation unit with duct adapter for flush-mount installation with ductwork connection, dimensions in millimetres 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 19: Items Supplied
V E N T I L A T I O N & H E A T R E C O V E R Y Items supplied M-WRG-II ventilation unit Fig. 12: Items supplied with the M-WRG-II ventilation unit Item Description Quantity... -
Page 20: Installation Materials Required
V E N T I L A T I O N & H E A T R E C O V E R Y Installation materials required Additional installation materials are needed for surface-mount, flush-mount with ductwork connection and U integrated into wall installation. These must be ordered separately. 6.2.1 Surface-mount installation for units from the M-WRG-II P series Type Part no. Description M-WRG-II M/AP-KA 735004 Surface-mount installation kit consisting of drilling... -
Page 21: Overview Of The Modules
Cover plate for bottom elec- tronics compartment Outdoor air filter with filter cover Supply air grille Outer wall terminal Fig. 15 shows the M-WRG-II ES outer wall terminal by way of example. Item Designation Fig. 14: Ventilation unit – with cover removed Opening for blowing out... -
Page 22: Tools And Equipment Required
► Follow the accident prevention regulations when setting up the installation location. ► Protect the outside area against falling parts. 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 23: Surface-Mount Installation/Flush-Mount Installation
— Earth and short-circuit — Cover or block off access to adjacent live parts 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 24: Surface-Mount Installation
Marks on the internal wall holes against Fig. 17. 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: Drilling Core Drill Holes
► Drill four holes for the dowels Ø 8 mm and 60 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 26: Condensate Drain On The Exhaust Air Pipe
Condensate drain on the exhaust air pipe If M-WRG-II P ventilation units are used, a condensate drain should be provided. The M-WRG-II LR 50-KA set, part no. 735200, with the following components may be used for this purpose: — Outdoor air pipe, DN 100, 0.5 m (item 1 in Fig. 20) —... -
Page 27: Chasing Out Channels For Connecting Cables
► Align the drilling template for the outer wall terminal so that the ventilation pipes run with a 2° drop from inside to outside. 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 28: Drilling The Holes For The Outer Wall Terminal
1.11 on page 8): Outer wall terminal Excess length Stainless steel pod, M-WRG-II ES 5 - 10 mm from the plastered external wall Stainless steel pipe set, M-WRG-ESR 25 - 30 mm from the plastered external wall... -
Page 29: Running The Connecting 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 30: 10.9.1 Cable Types
Table 4: Types of mains cable and control cable for each ventilation unit type (*) If you install these types of ventilation unit in the M-WRG-II M-U² installation kit, we recommend that you use the following options to operate the ventilation units: —... -
Page 31: 10.9.3 Option M-Wrg-Ii O/Egg-Aus
— Switch-on delay: the M-WRG-II unit does not start until the set time has elapsed. S L N M-WRG-II — Run-on time: the M-WRG-II unit does not switch to the previously active ventilation program until the set time has elapsed. -
Page 32: Plastering The Internal Wall
Fig. 29: Cutting ventilation pipes on internal wall 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 33: Sealing Ventilation Pipes On External Wall
Attaching the outer wall terminal documents” on page 8). 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: Installing The Ventilation Unit
10 mm over the centring guide. 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: Checking The Air Flap On The Exhaust Air Spigot And Seals
Fig. 36) on the ventilation unit and pull the cable through the opening. 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: Fixing The Ventilation Unit
Fig. 38: Fixing the ventilation unit – flush-mount installation 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 37: Flush-Mount Installation With Ductwork Connection
Removing the air grilles Fig. 41: Cleaning the ductwork connection 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 38 ► Push the duct adapter back into the ventilation unit until you hear it latch into place. ► Use the two 4 x 40 cross-head screws to secure the duct adapter. 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 39: U 2 Integrated Into Wall Installation
Removing the air grilles Fig. 46: Inserting duct adapters 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: Connecting The Mains Cable And Control Cable (If Used)
Connection of the control cable is described in separate installation manuals. 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 41: Connecting The M-Wrg-Ii O/Egg-Aus Option
V E N T I L A T I O N & H E A T R E C O V E R Y 11.8 Connecting the M-WRG-II O/EGG-AUS option ► If used, connect the control cable for the fault indicator input (item 1 in Fig. -
Page 42: Attaching The Unit Cover Pull-Out Straps (For U Integrated Into Wall Installation Only)
Attaching the unit cover to the ventilation unit are hanging down beneath the unit 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 43: Attaching The U Cover Plate (For U Integrated Into Wall Installation Only)
(see section 11.11 on page 42). Fig. 53: Connecting flat ducts to 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 · D-82239 Alling info@meltem.com ·... -
Page 44: Attaching The Cover To The Duct Adapter (For Flush-Mount Installation With Ductwork Connection Only)
► Start up the ventilation unit as described in the instructions provided with the 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 45 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 46 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 47 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 48 The information in this publication is regularly checked and any necessary corrections are made in subsequent editions. Copyright © Meltem Wärmerückgewinnung GmbH & Co. KG We reserve the right to make changes.
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