Meltem User Manual M-WRG-LCD
Contents
1. C button to select your preferred ventilation rate ine n 123456578381 or E LL i 2 2 m 10 CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG a Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F User manual Mel M WRG LCD F VENTILATION 8 HEAT RECOVERY Change settings After you have started the program you may change the manufacturer s preinstalled settings 1 Press the button for 3 seconds 2 Press the or button to enter your preferred stale air ventilation rate 3 Press the button to save your settings 4 Press the e button to be able to change the settings for the supply air ventilation rate 5 Press the oe button to enter your preferred supply air ventilation rate 6 Press the e button to save your settings 7 Press the button to return to the current operating program display 1234567890 gt 12345678910 DES CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG B Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F User manual Mel M WRG LCD F VENTILATION 8 HEAT RECOVERY 3 4 Humidity regulation program P4 The program P4 is designed to control humidity levels in a room Optimal values for humidity levels comfort zone are between 40 65 r H relative Luftfeuchte r F The achievable indoor levels are dep2. If these Safety instructions are not regarded Meltem will not be held liable Safety Warning for installing the M WRG ventilation unit in rooms with open fire places During the planning and installation process of the ventilation system the fireplace safety regulations i e FeuVo have to be met Before operating the M WRG ventilation unit the installation has to be discussed and approved by the responsible official authorities and the chimney sweeper CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com Meltem M WRG ZNH F FC User manual M WRG LCD F FC VENTILATION amp HEAT RECOVERY 1 2 How does the M WRG ventilation unit work The heat exchanger core uses the heat of the while the airstreams are never combined The cooled outgoing warm stale air to temper the fresh inflowing stale air is led out and the pre tempered fresh air then air The unit has two fans one fan extracts the warm streams into the room without causing a draft stale air from the interior and the other fan draws in fresh air from the exterior As the air streams flow through the air ducts of the heat exchanger core heat is transferred from the warm passage to the cold Interior Exterior Fresh Air Intake Stale Air Intake Supply Air Outlet Exhaust Air Outlet Stale Air Filter Supply Air Filter Heat exchanger S
3. 2 2 Control buttons You are able to control and monitor the settings and programs with these buttons Program menu Start program Change settings Settings menu Save CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG E Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F User manual Mel em M WRG LCD F FC VENTILATION amp HEAT RECOVERY 3 Programs 3 1 Program overview For a complete program overview please turn to chapter 8 3 2 Continuous ventilation program P1 The program P1 is designed for a continuous operation with the capability of ventilating your home 24 hours a day Start program 1 Press the e button for 3 seconds to open the program selection menu 2 Press the S button to navigate to program P1 3 Press the button to start program P1 4 Press the 2o C button to select your preferred ventilation rate d i e i minia 27m or La Sonn Me dm Change settings After you have started the program you may change the manufacturer s preinstalled settings 1 Press the S button for 3 seconds 2 Press the or C button to enter your preferred continuous ventilation rate du 3 Press the button to save your settings 4 Press the button to be able to change the settings for the boost ventilation rate in 5 Press the Cor button to enter your preferred boost ventilation rate in 6 Press
4. Change settings 1 Press the button to be able to change the continuous ventilation rate du the minimum ventilation rate br or to switch to a different temperature program Pr 2 Press the or button to select your preferred continuous ventilation rate 3 Press the button to save your settings 4 Press the S button to return to be able to select your preferred minimum ventilation rate 5 Press the or button to select your preferred minimum ventilation rate 6 Press the e button to save your settings 7 Press the button to return to the current operating program display 14 CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG a Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F FC User manual Mel M WRG LCD F VENTILATION 8 HEAT RECOVERY 3 5 2 Temperature program Automated Heating HA Only available with M WRG ZNH F FC units The temperature program Automated Heating HA enables you to additionally warm up the incoming supply air The thermostat of the unit is set to about 21 as the ideal room temperature You may increase or decrease this temperature by up to 3C The maximum ventilation r ate for this program is 4 Start program Start program as demonstrated in chapter 3 5 bet Automated Heating ON m Automated Heating OFF Change Settings 1 Press the Z button to be able to change the temperature
5. EC m 12345578210 or E i 1 gt im Su Summer program see ch 3 5 1 E Heating program see ch 3 5 2 m Constant Temperature program see ch 3 5 3 Change settings After you have started the program you may change the manufacturer s preinstalled settings 1 Press the amp button for 3 seconds 2 Press the 2e Q2 button to navigate to your preferred temperature program 3 Press the e button to save your settings 4 Press the S button to return to the current operating program display 13 CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG a Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F User manual Mel em M WRG LCD F FC VENTILATION amp HEAT RECOVERY 3 5 1 Temperature program Summer Su The temperature program Summer Su is designed for summer seasons It prevents warm air from entering the living space The continuous ventilation will remain active as long as the outside supply air is cooler then the indoor Stale air If the supply air gets warmer than the stale air the program will automatically turn to the selectable minimum ventilation rate The M WRG ventilation units M WRG LCD F FC will automatically start the temperature program Summer Su when program 5 is started Start program Start program as demonstrated in chapter 3 5 Continuous ventilation rate Br Minimum ventilation rate
6. Program overview Hold for 3 sec Continuous ventilation Press once Hold for 3 sec Supply air ventilation Press once Hold for 3 sec Stale air ventilation Press once Hold for 3 sec Humidity regulation Press once Hold for 3 sec Press once Hold for 3 sec Air quality regulation Press once Hold for 3 sec Meltem W rmer ckgewinnung GmbH amp Co KG Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com Meltem VENTILATION amp HEAT RECOVERY KR en m Izl425TERD1L eo Ww I214565 TED Lil 4 Kr CLEAN AIR GREEN TECHNOLOGY
7. Heating 15 3 5 3 Temperature program Constant Temperature He 16 3 6 Air quality regulation program P 17 4 Filter replacement DD 18 ALFIE SECON RTT 18 2 FOC UE 18 42 ROMOV UNIL COVO EE 18 4 2 2 Remove old filters nennen nennen nnnen nnn enhn nns nnns nnne nnn nnns 19 2 2 9 ISO ew eS woran aueh E FRU E E ConFUBUS 19 ELA COSC UNI eege 19 5 Ve Ee EE Te Lu TEE 20 6 Antifreeze protection nenne ee een 20 7 Cleaning the M WRG ventilation UNit sccccscscecsccscsceccccccsceccccecscscescecscncecsccececesescecscsceseccscuceseececscesess 20 Bz c n 21 9S Programi ET 22 Em CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F FC User manual Mel M WRG LCD F VENTILATION amp HEAT RECOVERY 1 You have made the right choice With the M WRG decentralized ventilation unit with heat recovery you acquired a high quality product M WRG stands for Meltem heat recovery with comfort Meltem s know how of more than 30 years developing and producing decentralized ventilation systems is now combined with their innovate heat recovery process Ventilation by opening windows especially during cold seasons belong to th
8. continuous ventilation rate 3 Press the e button to save your settings 4 Press the button to return to the current operating program display 16 CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG B Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F User manual Mel em M WRG LCD F FC VENTILATION amp HEAT RECOVERY 3 6 Air quality regulation program P6 Only available with M WRG LCD FC and M WRG ZNH FC units The air quality program P6 is specifically designed to regulate the concentration of carbon dioxide The M WRG unit automatically measures the concentration in parts per million ppm and adjusts the ventilation rate You are able to set your preferred COs concentration values between 600 1000 ppm are most preferable However the finally achievable air quality depends on outside air conditions Start program 1 Press the button for 3 seconds to open the program selection menu 2 Press the button to navigate to program P6 3 Press the button to start program P6 4 Press the or button to select your preferred ventilation rate Change Settings 1 Press the button to be able to change the ppm setting 2 Press the or button to select your preferred temperature 3 After 20 seconds the ppm symbol will stop blinking and your settings will automatically be saved The program starts automatically and the
9. screen switches back to the current operating program display LU miis Ing n3 at a a PME Os 12345878910 Ka 12345678910 D3 eer CO 4 epe 17 CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG User manual Mel I ea VENTILATION amp HEAT RECOVERY 4 Filter replacement The clogging of the filters is monitored automatically Caution by the M WRG ventilation unit In case the filters need to be replaced an acoustic signal will inform Always turn the M WRG ventilation you 2 3 weeks prior to the replacement The interval unit off before you open the cover of the acoustic signal will shorten over the time and replace the filters interval when the filter replacement is necessary You Always replace both filters at the must change the filters if the acoustic signal sounds same time for an interval of one second per hour The efficiency of the unit depends on the permeability of both filters 4 1 Filter selection For the M WRG ventilation unit you have multiple Description filter options For normal operation the Standard Filter G4 is sufficient standard filter For persons suffering from allergies you may choose to install the Allergy Filter F7 only needed for supply air Allergy filter e In order to prevent unpleasant odors and emissions or even harmful gases gasoline nitrogen
10. sit flat and tight on the cover Repeat this process for both supply and stale air filter caps Note Allergy Filters or Activated Carbon Filters have to be installed as supply air filters 4 2 4 Close unit cover Please ensure the correct positioning of both filter caps before putting the cover back on e Grab the cover with both hands e Place it onto the unit and insert the hooks into the slots e Rotate the cover downwards e Carefully push the cover closed on the bottom edge until the hooks on each side snap into place e Turn the M WRG ventilation unit back on with the power switch 19 Meltem W rmer ckgewinnung GmbH amp Co KG Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com Meltem VENTILATION amp HEAT RECOVERY CLEAN AIR GREEN TECHNOLOGY M WRG 5 Trouble shooting User manual Meltem VENTILATION amp HEAT RECOVERY M WRG ventilation unit does not work Air flaps do not open once the M WRG ventilation unit is switched ON M WRG ventilation unit starts to beep in intervals Let a certified electrician test the connecting wires Installation error Power switch motor or main control is are defective The M WRG ventilation unit should be switched ON and OFF again by the operator If the M WRG ventilation unit is not operated for a longer interval of time or operated for the first time the motor may not receive power from the electronic wiring R
11. the filter status An acoustic warning signal will inform you when the filters need to be replaced However for hygienic reasons it is strongly recommended to replace the filters at least once per year ideally before the heating season For a reliable operation of the units and for your own safety only original and certified parts from Meltem should be used Otherwise this may void the warranty and Meltem will not be liable for any damages We hope you will enjoy your new M WRG home ventilation system with heat recovery CLEAN AIR GREEN TECHNOLOGY M WRG ZNH F FC User manual Mel em M WRG LCD F FC VENTILATION amp HEAT RECOVERY Contents 1 You have made the right Choicel ccscsscccscscccsccscsccccccscsceccccscscsceccccscsceccececsceseececscsseececscsceseececsceseececces 4 UN OEY EEN EI ee 4 1 2 How does the M WRG ventilation unit work 5 1 3 M WRG ventilation unit 6 Stant Up and CCN UO OT 7 PAN Bo TEE 7 2 2 e uge elef e um SUR CI REIN A 7 SM Meu METTE T TTD 8 3 Oger am OVEN ut 8 3 2 Continuous ventilation program PI 8 EE EE 9 3 3 Cross ventilation with two units programs P2 and bi 10 3 4 Humidity regulation Program PA nennen 12 3 5 TEMPerat re DROS A ue Eee 13 3 5 1 Temperature program Summer au 14 3 5 2 Temperature program Automated
12. 2 Press the 2e button to select your preferred temperature 3 After 20 seconds the thermostat symbol will stop blinking and your settings will automatically be saved The program starts automatically and the screen switches back to the current operating program display e f you wish to turn the Automated Heating HA OFF manually simply press the button until the symbol changes to Ho e f you wish to turn the Automated Heating HA back ON simply press the button once The symbol should change to HA 15 CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG B Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F User manual Mel M WRG LCD F VENTILATION 8 HEAT RECOVERY 3 5 3 Temperature program Constant Temperature Hc Only available with M WRG ZNH F FC units The constant Temperature program Hc regulates the temperature of supply air The M WRG ventilation unit ensures that supply and stale air have the same temperature by additional warming of he supply air To prevent overheating the program limits the supply air temperature to max 216 Start program Start program as demonstrated in chapter 3 5 d Continuous ventilation rate Ll uc RN Change settings 1 Press the ES button to be able to change the continuous ventilation rate du or to switch to a different temperature program Pr 2 Press the or button to select your preferred
13. Meltem VENTILATION amp HEAT RECOVERY M WRG User manual HOME VENTILATION WITH HEAT RECOVERY Ventilation Units M WRG ZNH F M WRG ZNH FC M WRG LCD F M WRG LCD FC USER MANUAL Order Nr 5302 02 01 06 2011 CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG O Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F FC M WRG LCD F FC Important user information Ventilation with heat recovery With the decentralized ventilation system M WRG with heat recovery from Meltem you have acquired a high quality product This ventilation system serves you as an improvement for your home and your health as well as a protective measure against moisture and mold damages in your home Ventilation by opening windows especially during cold seasons belongs to the past From now on fresh and filtered air is supplied fully automated The stale air is extracted and its warmth transferred to the fresh air via the heat exchanger While doing so the M WRG ventilation units have minimum power consumption You save heating costs increase the comfort of your home and at the same time reduce the impact on the environment by reducing CO2 emissions Of course you still may open your windows especially during warmer days A family of four produces daily an average of 10 14 liters of moisture due to cooking laundry personal hygiene and breathing of inhabitants pl
14. am P2 can be used to supply only fresh air or program to extract stale air one way ventilation In these modes heat recovery is reduced These operating modes e g are preferable in the summer to let the cooler air at night time into your home Programs P2 and P3 can also be used to cross ventilate your home by using two ventilation units One unit will run program P2 to supply fresh air the other unit will run program P3 to extract stale air You are also able to enter separate ventilation rates for the supply and stale air Caution e his program should not be operated if outside temperatures are below 10 C Under normal conditions the supply air ventilation rate should be equal to the stale air ventilation rate e Aventilation rate of VS 00 is not possible with this program e Please ensure that the connecting or adjacent doors of the two rooms are open or the gap between doorframe and door is at least 5mm is Abbreviations Ventilation rate for the stale air E VSE 01 VSI 01 N Ventilation rate for the VS p int VSI 03 VSE 03 ee Bathroom Bedroom Duration of the operating Air flow through two adjacent doors interval Start program Ventilation rate for the supply air Unit 2 Unit 1 1 Press the button for 3 seconds to open the program selection menu 2 Press the button to navigate to program P2 or P3 3 Press the e button to start program P2 or P3 4 Press the
15. ants and animals This excessive amount of moisture within the interior air is extracted through the M WRG ventilation unit and therefore prevents the forming of mold and resulting damages in the building structure At the same time fumes from floors furniture and a too high CO2 concentration in the air which can lead to fatigue and health issues will be extracted from the interior rooms and replaced by fresh and clean air Directions for correct usage Please read this manual carefully and follow the instructions contained in this manual Additionally familiarize yourself with the operations of the M WRG ventilation unit as well as please pay attention to the warnings and cautions contained in this manual e Never operate the M WRG ventilation unit without filters Only with the original filters from Meltem the units will remain clean fully operative and have a long lifespan he M WRG ventilation unit may only be operated once installed correctly When ventilating basements or similar rooms we advise to be cautious especially during the summer season and warm weather due to the fact that the moisture in the air will condense on cold interior walls and despite ventilation moisture damages can occur Therefore please only ventilate at night during warm weather seasons If you would like to ventilate such rooms with an M WRG ventilation system please consult with the manufacturer prior to purchase Meltem W r
16. e past From now on fresh and filtered air is supplied fully automated The stale air is extracted and its warmth transferred to the fresh air via the heat exchanger While doing so the M WRG units have minimum power consumption You save heating costs increase the comfort of your home and at the same time reduce the impact on the environment by reducing CO2 emissions The M WRG ventilation unit has been designed for continuous operation We guarantee an effective operation as well as a long lifespan of the system if it is correctly used We hope you will enjoy your new M WRG home ventilation system with heat recovery 1 1 Safety instructions he M WRG ventilation unit may only be operated once installed correctly For correct installation of the system please follow the instructions of the assembly manual he M WRG ventilation unit may only be used for the ventilation of living space and interior rooms Kitchens bathrooms basements offices etc With rooms that have an excessive build up of dust and or corrosive gas emissions the M WRG ventilation unit may be limited and or damaged in its operating capacity Please familiarize yourself with the operating modes and procedures of the M WRG ventilation unit he M WRG ventilation unit is especially suitable for the drying phase after a building is constructed and the inhabitants have moved in It is not suitable for drying a building during construction or to ventilate a buildi
17. emove any clogging material remove cover to do so User manual p 7 Air flaps may be clogged e g dirt polystyrene plaster etc The M WRG ventilation unit signals a soon to be done filter replacement Replace the filters User manual p 7 M WRG ventilation unit does not Check the batteries Replace batteries if necessary react to the remote control Display malfunction 6 Antifreeze protection Software fault Unplug the M WRG ventilation unit for approximately 30 seconds and then switch it ON again In of case low exterior temperatures the M WRG ventilation unit will automatically switch to the antifreeze protection mode During the winter season it is recommended to ventilate the room daily for 10 minutes at the highest ventilation rate III in order to avoid any condensate buildup inside the M WRG ventilation unit 7 Cleaning the M WRG ventilation unit The M WRG ventilation unit is made of high quality synthetic material and only needs little cleaning From time to time we recommend cleaning the surface of the unit with a damp cloth In order to preserve the parts we recommend only using mild cleaning detergents You may also use special synthetic cleaning detergents in case of the occurrence of more resistant dirt Caution Never use cleaning detergents that contain acids or corrosives Never use a high pressure or steam cleaner Meltem Warmeruckgewinnung GmbH amp Co KG Am Hartholz 4 e D 82239 Allin
18. ending on outdoor temperatures and humidity Start program 1 Press the e button for 3 seconds to open the program selection menu 2 Press the button to navigate to program 4 3 Press the e button to start program P4 4 Press the 2e button to select your preferred ventilation rate Change settings 1 Press the S button to be able to change the humidity concentration rF 2 Press the Oor button to select your preferred humidity concentration 3 After 20 seconds the rF symbol will stop blinking and your settings will automatically be saved The program starts automatically and the screen switches back to the current operating program display 12 CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG a Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F FC User manual Mel em M WRG LCD F FC VENTILATION amp HEAT RECOVERY 3 5 Temperature program 5 The M WRG ventilation units M WRG ZNH F FC have three different temperature programs Summer Su Heating HA and constant temperature Hc The ventilation units M WRG LCD F FC only have the temperature program Summer Su Start program 1 Press the e button for 3 seconds to open the program selection menu 2 Press the button to navigate to program P5 3 Press the e button to start program P5 4 Press the or amp button to select your preferred ventilation rate
19. g e info meltem com ewww meltem com 90 CLEAN AIR GREEN TECHNOLOGY M WRG ZNH F FC User manual Mel em M WRG LCD F FC VENTILATION amp HEAT RECOVERY 8 Technical data Technical Data M WRG Ventilation Unit Ventilation air volume m h 15 100 Heat exchange core aluminum plate cross flow heat exchanger Heat recovery rate 76 Air Leakage 0 1 Motor Supply and Stale air fan EC Direct current Power consumption W 3 8 34 max 450 with ZNH unit 0 16 max 2 with ZNH unit Power cable mm 2x1 5 Operating voltage V Hz 230 50 Noise level Lp in dB A 10 m flush mounted 15 5 46 5 Noise level Lp in dB A 10 m surface 19 46 mounted Weight kg aprx 8 1 Air duct diameter mm 100 Ventilation unit dimensions Wx H x D in mm 409 x 388 x 196 Standard filter G4 0 36 Allergy filter optional F7 0 32 Activated carbon filter optional F 6 0 12 Fully automatic air flap control even during yes blackouts Condensate drainage through exhaust air duct Antifreeze protection yes International Protection Rating IP IP X1 IP X4 Approved by German Institute for Civil Z 51 3 138 Engineering DIBt certified yes CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com TUV 500 Produktion berwacht Sicherheit gepr ft M WRG User manual 9
20. mer ckgewinnung GmbH amp Co KG Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com User manual Meltem VENTILATION amp HEAT RECOVERY Never cover the M WRG ventilation unit or any part of it with e g cabinets blinds or curtains A minimum distance of 30 cm to any furniture is required in order for the M WRG ventilation unit to remain fully operable e he M WRG ventilation unit has been designed for continuous operation and a long lifespan During cold seasons the M WRG ventilation unit should be operated continuously The energy saving motors and innovative electronics guarantee despite continuous operation for a low power consumption approx 3 8 Watt at level 1 Only a continuous operation achieves a permanent extraction of moisture and condensation If this does not occur it is possible that condensate will gather in the unit e f a high concentration of moisture occurs we recommend regularly ventilating the room at the highest ventilation level for 10 minutes in order to eliminate any possible condensation inside the unit In order to guarantee a smooth operation especially during low exterior temperatures below 5C you should avoid interior temperatures below 15 Caution In case of exterior temperatures below icicles may form at the facade covers These should be removed for safety purposes Maintenance and Filter replacement The unit automatically monitors
21. ng while interior renovations are in progress A continuously high concentration of dust and or moisture will clog the filters additionally and overwork the automated extraction of condensate e Never operate the M WRG ventilation unit without the suitable filters The filters protect your health and living space from exterior environmental influences Only with the suitable filters the M WRG ventilation unit will remain clean Additionally it will prevent the pollution of the electrical components and the heat converter as well as reduce or prevent full operating capacity of the M WRG ventilation unit e Do not install the M WRG ventilation unit into the interior of a cabinet or other furniture Do not cover the M WRG ventilation unit with any type of fabric towel curtains etc or any other objects furniture blinds etc e Please follow the instructions contained in this user manual e Please follow the maintenance instructions contained in this user manual Important Indication according to DIN EN 60335 This M WRG ventilation unit is not to be operated by persons including children with limited physical sensory or mental capabilities or lack of experience and or lack of knowledge Except if they are supervised or were given instructions how to use the M WRG ventilation unit by a legal guardian responsible for their safety Children should be supervised in order to ensure that they are not playing with the M WRG ventilation unit
22. oxides etc from entering your home you may choose to install the Activated Carbon Activated Filter F6 only needed for supply air Carbon filter Only use original filters made by Meltem Otherwise Meltem cannot guarantee a smooth operation and will not be held liable for any malfunctions Replacement filters can be ordered at your local HVAC supplier or at www meltem com 4 2 Replace filters No tools are required to replace the filters Both filters should be replaced at the same time 4 2 1 Remove unit cover e urn OFF the M WRG ventilation unit The air flaps will close automatically e With both thumbs press down the two hooks on the bottom of the M WRG ventilation unit and at the same time grab the edge of the cover with both index fingers and then carefully lift the cover up and towards you 18 CLEAN AIR GREEN TECHNOLOGY Meltem Warmeriickgewinnung GmbH amp Co KG Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F FC User manual M WRG LCD F FC 4 2 2 Remove old filters e Twist left the filter covers and detach e Remove old filters and discard Clean the cap with a damp cloth 4 2 3 Insert new filters e Insert new filters e Insert the filter covers making sure the marked arrows on case and cover are aligned and turn right marking arrow on the cap has to align with the marking on the M WRG ventilation unit e Make sure the covers
23. tale Air fan Supply Air fan CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG m auum Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F User manual Mel M WRG LCD F VENTILATION 8 HEAT RECOVERY 1 3 M WRG ventilation unit overview Cover RER i Display rr Dual switch Power switch ON OFF 9 level ventilation rate switch Supply Air Outlet Stale Air Intake Ring Cover for Stale Air Filter Cover for Supply Air Filter Facade Cover Ventilation Hood Fresh Air Intake Exhaust Air Outlet artem CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG EB Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F User manual Mel M WRG LCD F VENTILATION 8 HEAT RECOVERY 2 Start up and operation The M WRG ventilation unit was properly installed according to the assembly manual by a certified expert Please check that the unit is undamaged and all air ducts are free of any obstructions 2 1 Display overview The LCD Display will show the following symbols and information depending on the program selected or set up menu Air quality Antifreeze mode ee Supply air H H Se Ps ventilation Pn eS T Stale air ventilation rate SCH A 4 P2 P4 P5 P6 Thermostat Heating Programs Only ZNH unit Only ZNH unit
24. the button to save your settings 7 Press the button to be able to change the settings for the duration of the boost ventilation ic 8 Press the or button to enter your preferred duration of the boost ventilation ic 9 Press the button to save your settings 10 Press the S button for 3 seconds to return to the current operating program display CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG EB Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F User manual Mel M WRG LCD F VENTILATION 8 HEAT RECOVERY 3 2 1 Boost ventilation The program P1 has the additional feature of an intensive ventilation mode boost ventilation The display will show the remaining ventilation time in minutes After the countdown is finished the program will automatically switch back to the continuous ventilation mode Start program 1 Repeat steps 1 3 as demonstrated above 2 Press the button for 3 seconds to start the boost ventilation To change the settings for the ventilation rate and duration of the boost ventilation see chapter 3 2 CLEAN AIR GREEN TECHNOLOGY Meltem W rmer ckgewinnung GmbH amp Co KG Am Hartholz 4 e D 82239 Alling e info meltem com ewww meltem com M WRG ZNH F User manual Mel em M WRG LCD F FC VENTILATION amp HEAT RECOVERY 3 3 Cross ventilation with two units programs P2 and P3 Progr
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