Meltem M-WRG-S Operating Instructions Manual
Home ventilation with heat recovery
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- User manual (12 pages) ,
- Operating instruction (44 pages) ,
- Installation manual (32 pages)
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Summary of Contents for Meltem M-WRG-S
- Page 1 M-WRG-S ventilation unit Part no. 5302-00-01 Week 07/2024 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
How the M-WRG ventilation unit works ................ 17 5.2.2 How the cross-flow plate heat exchanger works ............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 Resetting the filter change indicator ................28 Cleaning and maintenance ..................29 Troubleshooting ......................30 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 4 V E N T I L A T I O N & H E A T R E C O V E R Y 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
Notes on the operating instructions These original operating instructions contain important information that should be followed when setting up and using the M-WRG-S ventilation unit. ► Read all the instructions carefully before starting up the ventilation unit to avoid possible risks and mistakes. -
Page 6: Optional Accessories
5478-10 M-WRG-FBH The wireless remote control is used to control, program and extend the range of functions of the M-WRG-S units. It can also be used to read the number of operating hours. 5478-20 M-WRG-FT The 4-way wireless pushbutton switch with LED feedback allows the M-WRG-S units to be operated wirelessly. -
Page 7: National Technical Approval (For Germany)
(see item 2 in Fig. 3). Fig. 3: Position of approval number and 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: Technical Data
Permitted ambient air humidity during operation up to approx. 70 % RH 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: Unit Properties
ISO ePM1 60% (F7) Activated charcoal filter (optional, for outdoor air only) ISO ePM10 60% (M6) 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 10: Environmentally-Friendly Disposal
► You should dispose of the product in accordance with your applicable national regulations. Revision index Edition Manual Date edition Operating instructions for M-WRG-S ventilation unit Week 07/2024 EN 1.10 Explanation of the symbols used ► This symbol indicates an action to be taken. — This symbol indicates a list. 1.11... -
Page 11: 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 12: 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 13: Note On Use In Conjunction With Room Air Conditioners
— 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 ventilation unit will work perfectly and correctly. -
Page 14: 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 15: Dimensions
V E N T I L A T I O N & H E A T R E C O V E R Y Dimensions Fig. 4: Dimensions of the M-WRG-S ventilation unit, 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 16: Structure And Function
Ventilation unit – unit cover attached Fig. 6: Ventilation unit – unit cover removed 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 17: Description Of The Functions
The supply air and exhaust air fans each transport the same volume of air. The pressure in the interior remains practically constant. 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: How The Cross-Flow Plate Heat Exchanger Works
► Set the ventilation unit so that the relative humidity ranges between 40 % and 65 %. People feel most comfortable within this range. 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: Operation At Cold Times Of Year
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: Air Filters
NOTICE The optional control variants app and wireless remote control are used to control, program and extend the range of functions of the M-WRG-S units. The functionality of the ventilation levels on the step switch can thus be adapted to suit the customer’s requirements. You will find more details in the associated user guide (see section 1.11 on page 10). -
Page 21: Starting Up
► Wait at least 15 s. ► Switch the ventilation unit on again. The air flaps should open fully. If this is not the case, repeat the above steps. 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: Operating The Ventilation Unit
Ventilation mode is resumed at the fan level that was set before it was switched off. 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: Ventilation Levels/Programs
V E N T I L A T I O N & H E A T R E C O V E R Y Ventilation levels/programs The M-WRG-S ventilation unit has the following ventilation levels/programs as standard: 10.1 “Reduced ventilation (people absent)”... -
Page 24: Factory Defaults And Possible Adjustment Ranges
PM1. 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: Filter Maintenance
(or using the QR code on this page). Go to www.meltem.com 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: Changing The Air Filters
► Pull the filter cover together with the outdoor air filter out of the ventilation unit. ► Detach the extract air filter from the filter ring. ► Detach the outdoor air filter from the filter 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 · www.meltem.com... -
Page 27: 12.3.3 Insert New Air Filters
NOTICE — The ventilation unit will not work as well if the filter ring or filter cover is not inserted correctly. — Allergy filters and activated charcoal filters may only be used as outdoor air filters. 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: Attaching The Unit Cover To The Ventilation Unit And Switching On The Ventilation Unit
(item 1 in Fig. 17). The ventilation unit will beep three times as confirmation. Monitoring of the period since the last air filter change is now restarted. 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 29: Cleaning And Maintenance
Maintenance of the M-WRG series of units is described in separate maintenance instruc- tions (see section “1.11 Supplementary documents” on page 10). 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: Troubleshooting
Table 4: Troubleshooting 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 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 your 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 32 We have checked the content of this publication for conformity with the product 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 subsequent editions. Copyright © Meltem Wärmerückgewinnung GmbH & Co. KG We reserve the right to make changes. Meltem Wärmerückgewinnung GmbH & Co. KG...
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