Meltem M-WRG-K Operating Instruction
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Meltem M-WRG-K Operating Instruction

Ventilation unit home ventilation with heat recovery
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Part no. 5302-01-01 06/2015 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-K ventilation unit
(comfort version)
M-WRG-K
M-WRG-K/FC
V E N T I L AT I O N & H E AT R E C O V E R Y
VE NT I LAT I O N TH E R IG HT W AY

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  • Page 1 M-WRG-K ventilation unit (comfort version) M-WRG-K M-WRG-K/FC Part no. 5302-01-01 06/2015 EN VE NT I LAT I O N TH E R IG HT W AY Meltem Wärmerückgewinnung GmbH & Co. KG Am Hartholz 4 · D-82239 Alling info@meltem.com · www.meltem.com...

  • Page 2: Table Of Contents

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Contents Introduction ........................5 Notes on the operating instructions .................. 5 Description ........................
  • Page 3 Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Starting up ........................18 8.1 Check ventilation unit before switching on for first time ..........18 Switch on the ventilation unit ..................18 8.3...
  • Page 4 Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y VE NT I LAT I O N TH E R IG HT W AY Meltem Wärmerückgewinnung GmbH &...

  • Page 5: Introduction

    M-WRG-K and M-WRG-K/FC ventilation units M-WRG-K stands for Meltem heat recovery with comfort. Home ventilation expertise extending back over 30 years has been incorporated into this product from Meltem Wärmerückgewinnung. Using windows for ventilation, particularly during periods of cold weather, is now a thing of the past.

  • Page 6: Target Group

    The ventilation units are designed for continuous operation and can be both surface-mounted and flush-mounted. The ventilation units are low-maintenance, but regular filter changes are impor- tant. The M-WRG-K ventilation unit has various ventilation programs, including humidity control. The M-WRG-K/FC also has a CO and mixed gas control. Mixed gases are volatile organic compounds...

  • Page 7: Nameplate

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Nameplate You will find the nameplate on the intermediate plate on the inside of the housing (see item 2 in Fig. 2 on page 6). Technical data 1.7.1 Electrical connection...

  • Page 8: Filters

    Humidity control Temperature control and mixed gas control M-WRG-K/FC only Various ventilation programs (time, temperature, supply/extract air) LCD display Infrared remote control M-WRG-FB Also required to operate the M-WRG-K, not supplied as standard 1.7.6 Filters Designation Filter class Filter area Standard filter 0.36 m...

  • Page 9: Safety Instructions

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Safety instructions This manual contains notes that you must follow for your own personal safety and to avoid injury and damage to property.

  • Page 10: Notes On Using The Ventilation Units

    (e.g. model-making) or corrosive gas emissions (e.g. copy 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 components will work perfectly and correctly.

  • Page 11: Warranty And Liability

    — The ventilation unit was operated without a filter. Dimensions Fig. 3: Dimensions of the M-WRG-K and M-WRG-K/FC ventilation units, in millimetres VE NT I LAT I O N TH E R IG HT W AY Meltem Wärmerückgewinnung GmbH & Co. KG Am Hartholz 4 · D-82239 Alling info@meltem.com ·...

  • Page 12: Structure And Functions

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Structure and functions Overview of the modules 5.1.1 Ventilation unit – cover attached...

  • Page 13: Description Of The Functions

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Description of the functions 5.2.1 How the M-WRG ventilation unit works The supply air fan (item 5 in Fig.

  • Page 14: How The Cross-Flow Plate Heat Exchanger Works

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y 5.2.2 How the cross-flow plate heat exchanger works The warm extract air (item 5 in Fig. 9) drawn in from the interior is routed through the chambers of the cross-flow plate heat exchanger (item 1 in Fig. 9) and heats them.

  • Page 15: Operation At Cold Times Of Year

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Operation at cold times of year NOTE ► During cold times of year, run the ventilation unit in continuous mode.

  • Page 16: Controls And Displays

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Controls and displays Controls and displays on the ventilation unit Item Designation Mains switch I = Ventilation unit “On"...

  • Page 17: Infrared Remote Control

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Infrared remote control Fig. 11: Infrared remote control Item Symbol Function –...

  • Page 18: Starting Up

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Starting up Check ventilation unit before switching on for first time ►...

  • Page 19: Insert Batteries In Infrared Remote Control

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y NOTE If the air flaps do not open fully after switching on for the first time or after a longer stoppage, follow the steps below: ► Switch the ventilation unit off.

  • Page 20: Operating The Ventilation Unit

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Operating the ventilation unit Operation without infrared remote control – "P0" Stepping switch mode The ventilation unit can be operated without an infrared remote control using ventilation program "P0".

  • Page 21: Set Day And Time

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Set day and time ► Select program "P8" Settings (see section 9.2.1 on page 20).

  • Page 22: Ventilation Programs

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Ventilation programs This section describes the available ventilation programs and their settings. The values in the illus- trated LCD displays are given by way of example and depend on the actual ambient conditions and set values.

  • Page 23: P2" Interval Program

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y 10.3 "P2" Interval program Purpose: Ventilation program "P2" runs the ventilation alternating between the set intervals (“Running" and "Pause”). You can set the required ventilation level and the ventilation duration for both intervals.

  • Page 24: P3" Day/Week Program

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y 10.4 "P3" Day/week program Purpose: Ventilation program "P3" allows the ventilation unit to be individually customized to the user’s personal schedules. You can enter up to three different ventilation periods with different ventilation...

  • Page 25: P4" Humidity Program

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y ► Press the button to move back to the previous value, if necessary.
  • Page 26 Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Manual mode: In Manual mode you can temporarily set the ventilation level to a value between VL:01 and VL:10.

  • Page 27: P5" Temperature Program

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y 10.6 "P5" Temperature program Purpose: With ventilation program "P5“, the ventilation unit is only in operation if the temperature of the sup- ply air does not exceed or fall below a customisable range.

  • Page 28: P6" Air Quality

    The settings do not take effect until the five-minute sensor run has ended. 10.7 "P6" Air quality NOTE — Ventilation program "P6" Air quality is only available on the M-WRG-K/FC ventilation unit. — When it is started up for the first time, the ventilation unit must remain switched on for at least 4 hours without interruption so that the CO and mixed gas sensor can be calibrated. ►...
  • Page 29 Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y DIN EN 13779 divides the room air quality into four levels, according to the CO concentration: —...

  • Page 30: P7" Ventilation Program (Cross-Ventilation With Two Ventilation Units)

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y ► Press the button to move back to the previous value, if necessary.
  • Page 31 Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y ► Generate an air flow (see Fig. 16) that flows from a room with unladen air (e.g. bedroom) into a room with laden air (e.g. bathroom). ►...
  • Page 32 Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y – button to set the required ventilation level for extract air VLE for ►...

  • Page 33: Additional Functions

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Additional functions 11.1 Set ventilation unit to Standby mode ► Press the button to switch from Ventilation mode to Standby mode.

  • Page 34: P8" Settings

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y — If the ventilation unit is in operation: ► Press the button to switch from Ventilation mode to Standby mode.

  • Page 35: 11.3.3 Close Flaps In Pause Mode

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Configure frost protection: ► Select program "P8" Settings (see section 9.2.1 on page 20).

  • Page 36: P9" Operating Hours

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y 11.4 "P9" Operating hours The operating hours display shows how long the ventilation unit has been running in hours. The operating time means only the time during which the fan motors are running.

  • Page 37: Filter Maintenance

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Filter maintenance The ventilation unit has a filter change indicator. The level of soiling of the round filter cartridges is automatically monitored by the ventilation unit. A pending filter change is signalled both visually and audibly roughly 2 to 3 weeks in advance.

  • Page 38: 12.3.1 Remove Cover From Ventilation Unit

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y 12.3.1 Remove cover from ventilation unit ► Using both thumbs, press the two latches (item 1 in Fig.

  • Page 39: 12.3.4 Attach Cover To Ventilation Unit

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Fig. 18 on page 38) lines up with the arrow for the removal position (item 4 in Fig. 18 on page 38).

  • Page 40: Cleaning

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Cleaning WARNING ► Switch off the power to the ventilation unit before cleaning.

  • Page 41: Troubleshooting

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Troubleshooting Error Cause Remedy Ventilation unit is not running Ventilation unit is in safe mode...

  • Page 42: Overview Of The Programs

    Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y Overview of the programs Program selection level Status display level Configuration level Vers.: 034.68.02.EN...
  • Page 43 Operating instructions M-WRG-K ventilation unit (comfort version) V E N T I L AT I O N & H E AT R E C O V E R Y – 21°C 65% 10°C VL:03 MINIMUM▓10°C VL:03 P5 TEMPERATURE PROG. P5 SENSOR RUN MAXIMUM 25°C...
  • Page 44 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...

This manual is also suitable for:

M-wrg-k/fcM-wrg-s

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