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Meltem User Manual M-WRG

1. IP OF Operating ajout 36 12 Filter INaInteEN acer ee E age 37 12 1 euer uu 37 122 02 10 6 file mE 37 123 _ Et 37 12 3 1 Remove cover from ventilation unit a r 38 12 92 ROMOV TIREI 38 12 93 INSEL MEW u u x D uu xs 38 12 3 4 Attach cover to ventilation unit a nennen nnn nnns 39 13 Stn Mee 40 14 Troubleshooting m 41 15 Overview of the programs U 42 Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com K Operating instructions M WRG K ventilation unit comfort version Mel e NAN VENTILATION amp HEAT RECOVERY Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling Operating instructions M WRG K ventilation unit comfort version Mel i dB VENTILATION amp HEAT RECOVERY 1 Introduction 1 1 Notes on the operating instructions A These original operating instructions contain important information that should be followed when setting up and using the M WRG K ventilation unit gt Read all the instructions caref
2. arrow at the removal position item 9 in Fig 18 Pull the filter cover together with the sup ply air filter out of the ventilation unit Detach the extract air filter from the filter ring Detach the supply air filter from the filter COVer Clean the filter ring and filter cover with a damp cloth if they are dirty see section 13 12 3 3 Insert new filters Carefully guide the extract air filter into the ventilation unit Make sure that the filter slides into the four retaining tabs item 1 in Fig 19 on the back wall of the ventilation unit Place the filter ring on the extract air filter Make sure that the filter ring lies flat on the intermediate plate item 2 in Fig 19 Make sure that the filter ring is oriented so that the arrow on the filter ring item 3 in Meltem W rmer ckgewinnung GmbH amp Co KG Am Hartholz 4 D 82239 Alling info meltem com www meltem com 38 Meltem VENTILATION amp HEAT RECOVERY Fig 17 Remove cover from the ventilation unit NAAA 4444 et le d Fig 19 Insert filter VENTILATION THE RIGHT WAY Operating instructions M WRG K ventilation unit comfort version Mel i dB VENTILATION amp HEAT RECOVERY Fig 18 on page 38 lines up with the arrow for the removal position item 4 in Fig 18 on page 38 gt Turn the filter ring clockwise until the arrow on the filter ring item 3 in Fig 18 on p
3. 12 3 Filter change NOTE gt Always replace filters in pairs at least once per year and ideally before the period of cold weather The permeability of both filters affects the efficiency and power consumption of the ventilation unit Always switch the ventilation unit off at the mains switch for the filter change Otherwise the open air flaps will make it impossible to remove and insert the filter cartridges Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version 12 3 1 Remove cover from ventilation unit gt Using both thumbs press the two latches item 1 in Fig 17 on the bottom of the ventilation unit The cover will come away gt At the same time push your index fingers Into the gap between the cover and hous ing and lift the cover up from the housing 12 3 2 Remove filter gt Turn the filter ring item 1 in Fig 18 using the hand grip item 2 in Fig 18 anti clock wise until the arrow on the filter ring item 3 in Fig 18 lines up with the arrow at the removal position item 4 in Fig 18 Pull the filter ring together with the extract air filter out of the ventilation unit Turn the filter cover item 6 in Fig 18 using the hand grip item 7 in Fig 18 anti clockwise until the arrow item 8 in Fig 18 on the filter cover lines up with the
4. When cleaning make sure that no moisture penetrates into the inside of the housing gt Never use a high pressure cleaner steam cleaner or steam jet The ventilation unit is made of high quality plastic and requires little care gt Wipe the outer surfaces from time to time with a soft damp cloth Use mild soapy water A commercially available plastic cleaner can be used for particularly stubborn dirt NOTE gt Never use acidic corrosive or abrasive cleaning agents Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com K Operating instructions M WRG K ventilation unit comfort version Mel i 5 ANY VENTILATION amp HEAT RECOVERY 14 Troubleshooting Error Cause Remedy Ventilation unit is not running Ventilation unit is in safe mode Switch the ventilation unit off after an EMC fault wait 15 seconds then switch on Installation error Have the wiring checked by a qualified electrician Faulty switch motor or control Check by a qualified electrician ler After a long stoppage or when Switch the ventilation unit off starting up for the first time the and on again servomotor is not powered by Air flaps do not open after switching on the electronic circuit Air flap range of motion is Carefully remove the foreign blocked by foreign bodies bodies remove the cover if plaster polystyrene etc necessar
5. is 600 ppm VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com 2 BE K Operating instructions M WRG K ventilation unit comfort version Mel i VENTILATION amp RECOVERY gt Press the 0 button to move back to the previous value if necessary gt Press the M button to save the setting and start the ventilation program 10 8 P7 Ventilation program cross ventilation with two ventilation units Purpose Ventilation program P7 is used for cross ventilation between two rooms with two ventilation units known as an interconnected air system For example you can set up cross ventilation from the bedroom to the bathroom in order to transport cool outdoor air into the house at night in summer In contrast to all the other programs the extract air VLE and supply air VLI ventilation levels can be set differently see Fig 16 VLI 01 01 Ventilation unit 1 on the external wall Ventilation unit 2 on the external wall Bathroom Bedroom VLE 03 VLI 03 Fig 16 Cross ventilation with two ventilation units NOTE Ventilation program P 7 requires the time to be set correctly on the ventilation unit see notes in section 9 3 on page 21 Ventilation program P7 is not suitable for cold times of year with external temperatures below 10 C If the ventilation unit is operated with an excess of supply air with a high
6. Alling info meltem com www meltem com EH Operating instructions M WRG K ventilation unit comfort version Mel i CAL ANY VENTILATION amp HEAT RECOVERY 9 Operating the ventilation unit 9 1 Operation without infrared remote control Stepping switch mode The ventilation unit can be operated without an infrared remote control using ventilation program PO Using the stepping switch item 2 in Fig 10 on page 16 for three power levels and a time limited intensive ventilation level you can select the required air flow The LCD display shows the following information VLE 03 VLI 03 M DE Switch position Air flow Ventilation level for Ventilation level for extract air VLE supply air VLI 15 m h T 01 30 m h 03 I 60 m h 06 Switching 100 m h 10 sequence II I intensive vent level 15 min NOTE Selecting switching sequence Il I on the stepping switch within two seconds results in 15 minute of intensive ventilation at ventilation level 10 100 m h The ventilation unit then resumes operation at the previously set ventilation level You can cancel intensive ventilation while it is running by selecting switching sequence I II I again 9 2 Operation with infrared remote control 9 2 1 Change program When you switch on the ventilation unit it starts in the last selected program Follow the steps be low to select a different program Press the bu
7. How the cross flow plate heat exchanger works 14 6 TOFCOMECL ISAS u a ee er eee 14 6 1 era 14 6 2 Operation in high atmospheric humidity a 14 6 3 Operation at cold times of year a r C UNUM RES 15 6 4 15 7 Co trols and diSspB ayS 16 7 1 Controls and displays on the ventilation unit 16 7 2 2 ee ee ale ee ee en ner 16 7 3 Infrared remote control aa nee Reka ee 17 Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com K Operating instructions M WRG K ventilation unit comfort version Mel i e VENTILATION amp HEAT RECOVERY 8 SITIOS Up See ee 18 8 1 Check ventilation unit before switching on for first time 18 8 2 Switch on the ventilation unit nennen 18 8 3 positon olal uuu RUE 18 8 4 Insert batteries in infrared remote control a 19 9 Operating the ventilation unit 20 9 1 Operation withou
8. Operating instructions M WRG K ventilation unit comfort version Mel i VENTILATION amp HEAT RECOVERY 12 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 The visual indication takes the form of an exclamation mark in the top right corner of the LCD display in all program and status displays S p hs N As the time for the filter change approaches the intervals between the audible warnings shorten The filters must be changed when the warning signal occurs every hour and lasts for one second This long warning period allows the user to order replacement filters in good time No tools are needed to change the filters 12 1 Choice of filter There are several filter classes available for the M WRG K ventilation unit Part Designation Filter type Filter class Application ply air and extract air 5572 Allergy filter for supply For people with allergies air only 5573 M WRG FK Activated charcoal filter M6 For outdoor air polluted by cars for supply air only industry domestic fuel etc 12 2 Ordering filters You can order replacement filters from your fitter or at www ersatzfilter de or using the QR code on this page s m lis www ersatzfilter de
9. for the duration of Night mode TIME gt Press the f button to move to the next value gt Use the At or a gt button to set the required number of minutes for the duration of Night mode TIME gt Press the 0 button to move back to the previous value if necessary gt Press the M button to save the setting and start the ventilation program NOTE If you want permanent cross ventilation in summer for example set the ventilation level for Day mode PAUSE to VL 00 and select TIME 23 59 for the duration of Night mode Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com K Operating instructions M WRG K ventilation unit comfort version Mel i e NNN VENTILATION amp HEAT RECOVERY 11 Additional functions 11 1 Set ventilation unit to Standby mode Press the 6 button to switch from Ventilation mode to Standby mode This triggers the following actions The current ventilation mode is ended The ventilation unit continues to be supplied with power All settings such as the current time day etc are retained air flaps close or remain open depending on the setting in the 11 3 3 Close flaps in pause mode on page 35 menu Press the 6 button again to switch from Standby to Ventilation mode NOTE It is not a good idea to leave the ventilation unit in Standby mode for long periods see 6 R
10. in the bedrooms Do not run the ventilation unit at room temperatures below 15 C and particularly not at low external temperatures below 5 C Otherwise the ventilation unit will constantly activate the frost protection or switch off alto gether The higher the interior temperature the bigger the buffer for operating the ventila tion unit and for heat recovery 6 4 Filters Never run the ventilation unit without filters Always use genuine Meltem filters These are precisely matched to your M WRG venti lation units ensure minimal pressure losses and will ensure a long service life from your ventilation units For hygiene reasons replace both filter cartridges at least 1x every year ideally before the period of cold weather Observe the filter change indicator and replace the filters as necessary Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com W Operating instructions M WRG K ventilation unit comfort version i e VENTILATION amp HEAT RECOVERY 7 Controls and displays 7 1 Controls and displays on the ventilation unit Item Designation 1 Mains switch Ventilation unit On O Ventilation unit Off 2 otepping switch for 3 power levels Power level 15 m h Power level II 30 m h Power level III 60 m h Intensive ventilation level in PO pro gram only Switchin
11. section 9 3 Set day and time on page 21 11 3 2 Frost protection function The ventilation unit is equipped with a frost protection function In low outdoor temperatures the ventilation unit automatically switches to frost protection mode gt Do not switch the ventilation unit off in the winter Note section 6 Rules for correct usage on page 14 We recommend that you activate the frost protection with ON How it works extract from the building control approval Z 51 3 138 To prevent the heat exchanger from icing up there is a temperature sensor fitted on the exhaust air side for constantly monitoring the temperature If the exhaust air temperature drops below 2 C the motor controller gradually changes the supply air and or extract air volume flow according to the fan level so that the proportion of extract air is increased This causes the temperature to rise on the exhaust air side When an exhaust air temperature of 4 C is maintained for a period of 3 minutes the unit switches back to the previous operating state If a temperature of 2 C is not achieved on the exhaust air side despite increasing the proportion of extract air e g because the room has cooled down the extract air and supply air fans are switched off As soon as a value of 4 is identified at the exhaust air temperature sensor Ventilation mode is resumed at the fan level that was set before it was switched off Meltem W rmer ckgewinnung GmbH
12. super vised or have been instructed in how to use the unit safely and understand the associated hazards Do not allow children to play with the unit Cleaning and user maintenance must not be carried out by children unless they are supervised gt Follow the regulations applicable in your country concerning the age from which peo ple may be permitted to operate the ventilation unit The ventilation unit must always be freely accessible for operation and maintenance gt sure that the ventilation unit is not blocked obstructed or covered when the room is subsequently decorated and furnished otherwise it cannot be used and it will not be possible to replace the filter gt sure that the supply and extract air openings are not blocked obstructed or covered when the room is subsequently decorated and furnished 2 4 Intended use The ventilation unit is intended for supplying air to and extracting air from living and recrea tion rooms bedrooms playrooms living rooms bathrooms basement workshops offices consulting rooms etc The ventilation unit is installed in a perpendicular position in the external wall Any different or more extensive usage will be regarded as contrary to the intended use The intended use also includes compliance with all the notes in the operating instructions The ventilation unit must not be operated without a filter The ventilation unit s functions may be impaired o
13. ventilation level to be set gt Use the A or A gt button to set the required ventilation level gt Press the M button to save the setting and start the ventilation program Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com W Operating instructions M WRG K ventilation unit comfort version Mel I 5 ANY VENTILATION amp HEAT RECOVERY 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 Setting Select ventilation program P2 see section 9 2 1 on page 20 The LCD display shows the following information 21 6 65 IoC wie 0s DiC eae LO C Whe Ol P2 RUNNING Obra F PAUSE BV 00 29 P2 RUNNING 00 59 means that the ventilation unit is in ventilation program P2 in the RUNNING interval with a remaining time of 59 minutes P2 PAUSE BVL 00 29 means that the ventilation unit is in ventilation program P2 in the PAUSE interval at the basic ventilation level BVL with a remaining time of 29 minutes Set the running interval pause interval and ventilation levels P Press the M button to switch to Setup mode The LCD display shows the following information RUNNING 01 00 VL 03 PAUSE CO 0 D The flashing cursor highlights th
14. zone 0 and 1 The unit must NOT be installed in these areas Protection zone 2 The unit may be installed in this area if the mains switch is covered with a protective cap The protective cap must be installed at the factory p You will need to include the mains switch protective cap M WRG SN Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com mE Operating instructions M WRG K ventilation unit comfort version Mel i qn VENTILATION amp HEAT RECOVERY part no 5430 when you order the ventilation unit Other zone The unit may be installed in this area Build up of icicles and ice patches at low temperatures The heat recovery process in our ventilation units causes condensation This condensa tion is dissipated to the outside via the exhaust air pipe When external temperatures drop below 0 C this can cause a build up of icicles at the outer wall terminals and ice patches on the ground Starting and using the ventilation unit gt Do not start up the ventilation unit until it is fully installed p Always make sure that the cover is closed and locked in place before using the venti lation unit 2 3 Notes on using the ventilation units This unit may be used by children from 8 years old and by persons of restricted physical sensory or mental abilities or persons lacking experience and knowledge if they are
15. 3 Fig 12 Air flaps closed Fig 13 Air flaps open Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling Dd BE Operating instructions M WRG K ventilation unit comfort version Mel i dB VENTILATION amp HEAT RECOVERY 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 Wait at least 15 seconds owitch the ventilation unit on again The air flaps should open fully If this is not the case repeat the above steps 8 4 Insert batteries in infrared remote control Remove the cross head screw item 1 in Fig 14 on the back of the infrared remote con trol Take the battery compartment item 1 in Fig 15 out of the infrared remote control Insert the batteries supplied size AAA item 2 in Fig 15 in the battery compartment NOTE Note the polarity signs in the battery compartment Insert the battery compartment into the infrared remote control and fix in place with the cross head screw l Melten J ASL 3383 3Nnvonv LRO3 SIZE AAA AM4 1080mAh ALKALINE MERCURY FREE 1 5 vv 3ZIS EOWI CO Fig 14 Open battery compartment Fig 15 Insert batteries Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239
16. D 82239 Alling info meltem com www meltem com 13 Operating instructions M WRG K ventilation unit comfort version I e NNN VENTILATION amp HEAT RECOVERY 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 The cooled extract air is carried to the outside as exhaust air item 3 in Fig 9 At the same time the cold outdoor air that is drawn in item 2 in Fig 9 is routed through the cham bers of the cross flow plate heat exchanger which are separate from the extract air and is heated The separate chambers prevent the outdoor air and extract air from mixing The heated outdoor air is routed into the interior as supply air item 4 in Fig 9 Item Designation 1 Cross flow plate heat exchanger 2 Outdoor air 3 Exhaust air 4 Supply air 5 Extract air How the cross flow plate heat exchanger works 6 Rules for correct usage 6 1 General Run the ventilation unit in continuous operation The constant ventilation creates a good and healthy atmosphere in the room gt Adapt the air flow through the ventilation unit to take account of the air load created by cooking washing ironing visitors showers sauna etc gt Set the ventilation unit so that the relative humidity ranges between 40 and 65 Peo ple feel most comfortable w
17. HE RIGHT WAY Am Hartholz 4 D 82239 Alling temm mtm Operating instructions M WRG K ventilation unit comfort version Mel dB NAN VENTILATION amp HEAT RECOVERY Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version N Produktion berwacht N Sicherheit gepr ft Meltem VENTILATION amp HEAT RECOVERY Melteu LUFTUNG amp WARMER CKCEWINNUNC W er ckgew innung GmbH amp Co KG M WRG S K 2 51 3 138 We have checked the content of this publication for conformity with the unit described 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 the subsequent edi tions Copyright Meltem W rmer ckgewinnung GmbH amp Co KG Meltem W rmer ckgewinnung GmbH amp Co KG Am Hartholz 4 D 82239 Alling Germany Tel 49 0 8141 404179 0 Fax 49 0 8141 404179 9 Internet www meltem com Email info meltem com Meltem W rmer ckgewinnung GmbH amp Co KG Am Hartholz 4 D 82239 Alling info meltem com www meltem com 44 We reserve the right to make changes Go to Meltem download area VENTILATION THE RIGHT WAY
18. Meltem VENTILATION amp HEAT RECOVERY dp HOME VENTILATION WITH HEAT RECOVERY 2 M WRG K ventilation unit O comfort version M WRG K M WRG KIFC Y www SE EL Part no 5302 01 01 06 2015 EN Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling Operating instructions M WRG K ventilation unit comfort version Mel i e NNN VENTILATION amp HEAT RECOVERY Contents 1 INLTOQUCHOM RE 5 1 1 Notes on the operating instructions a 5 1 2 DESSEN OU m ee ne re A E ee 5 1 3 TALGELGLOUP ee ee ee 6 1 4 EC Declaration of Conformity una 6 1 5 General building control approval for Germany 6 1 6 Wznpsszcocm 7 1 7 TECNICA E ee E R e e T al Electrical c onnechoN RSS T E72 Dimensions and WENI sasxesmustezuessd idest ca ums EE E T nqa qana ONE 7 jo NOSEEMISSION euren een ee T 6 uuu ne ne ee ee 7 1 25 uu au u 7 LFO Till j 8 1 8 wed 8 1 9 Environmentally friendly disposal nennen nnne nnn nnns 8 1 10 REVISION 8 1 11 Explanation of the symbol
19. Press the M button to switch to Setup mode gt Use the A or AS button to activate or deactivate closing of the flaps in Pause mode gt Press the M button to save the setting gt Press the button 1x to exit the settings Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com o o Operating instructions M WRG K ventilation unit comfort version Mel i dB ANY VENTILATION amp HEAT RECOVERY 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 Call up operating hours display Select program P9 Operating hours see section 9 2 1 on page 20 The LCD display shows the following information P9 OPERATING HOURS Press the button The LCD display shows the following information DURATION PO HOURS m Press the button to exit the operating hours display NOTE When there is a change of user in the residential unit it is a good idea to take a note of the operating hours as the display cannot be reset to zero and subsequent operating hours will be added to this total Note that the operating hours are updated every 4 hours Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com K
20. age 38 lines up with the arrow for the locking position item 5 in Fig 18 on page 38 gt Insert the new supply air filter Repeat the steps described for the extract air filter gt Check the position of the filter ring and filter cover The hand grips must be vertical and the arrows on the filter ring and filter cover must line up with the arrows for the locking position see Fig 18 on page 38 NOTE The ventilation unit will not work as well if the filter ring or filter cover is not inserted cor rectly Allergy filters and activated charcoal filters may only be used as supply air filters 12 3 4 Attach cover to ventilation unit gt Hold the cover item 1 in Fig 20 of the ventilation unit with both hands and tilt the top edge of the cover towards the ventila tion unit gt Insert the tabs item 2 in Fig 20 of the cover into the openings item 3 in Fig 20 on the top of the ventilation unit gt Lightly press the bottom edge of the cover against the ventilation unit until you hear the cover snap in place Fig 20 Attach cover to ventilation unit Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version Mel i dB NNN VENTILATION amp HEAT RECOVERY 13 Cleaning A WARNING gt Switch off the power to the ventilation unit before cleaning gt
21. am P4 automatically draws air into and out of the room in relation to the room air humidity People feel most comfortable if the relative humidity RH ranges between 40 and 65 906 Sequence The ventilation unit is running constantly in basic ventilation mode VLmin 01 factory setting The temperature and relative humidity of the extract air room air and supply air are measured If the relative humidity of the room air exceeds the set threshold e g 65 5 relative humidity factory setting the ventilation unit calculates the optimum change of air and automatically sets the necessary ventilation level This is gradually increased up to the maximum ventilation level VLmax 06 factory setting When the relative humidity reaches the threshold the ventilation level is gradually reduced to VLmin 01 factory setting NOTE The ventilation unit will only work automatically if the relative humidity of the supply air is lower than that of the room air The measured atmospheric humidity of the supply air is calculated in rela tion to the room air temperature Setting Select ventilation program P4 see section 9 2 1 on page 20 The LCD display shows the following information P4 AUTOMATIC P4 AUTOMATIC means that the ventilation unit is in ventilation program P4 in automatic mode Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www melte
22. amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com W Operating instructions M WRG K ventilation unit comfort version Mel i qn VENTILATION amp RECOVERY Configure frost protection gt Select program P8 Settings see section 9 2 1 on page 20 The LCD display shows the following information DAY AND TIME WEDNESDAY 592 gt Press the button 1x The LCD display shows the following information F j PEPO PE hi lj ON Press the M button to switch to Setup mode Use the A or AD button to activate or deactivate the frost protection Press the M button to save the setting Press the button 2x to exit the settings Y Y Y Y 11 3 3 Close flaps in pause mode The air flaps are opened and closed by a servomotor This operation causes a slight noise emis sion that some people perceive as annoying It is therefore possible to suppress the closing of the air flaps in Pause mode In the factory setting the air flaps are closed in Pause mode In this position the noise nuisance from the outside is reduced and both air ducts are sealed off Configure Close flaps in Pause mode gt Select program P8 Settings see section 9 2 1 on page 20 The LCD display shows the following information DAY AND TIME WEDNESDAY 1 0252 gt Press the button 2x The LCD display shows the following information TN PAUSE MODE gt
23. aximum supply air temperature Select a value between 10 C and 30 C The MAXIMUM cannot be lower than the MINIMUM p Press the f button to move to the next value gt Use the A or AD button to set the required ventilation level Select a value be tween ventilation level 1 and 10 gt Press the 0 button to move back to the previous value if necessary gt Press the M button to save the setting and start the ventilation program 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 gt sure that the air is not severely contaminated during the calibration phase by solvents for example When you switch on again it will take roughly 15 minutes for the sensor to recalibrate Purpose Ventilation program P6 uses a CO and mixed gas sensor to monitor the air quality and auto matically ensures an optimum air exchange and continuous removal of air pollutants The carbon dioxide CO that is breathed out by people impairs the air quality in high concentrations Con sequences include concentration problems and tiredness However they can also be caused by odours or volatile o
24. danger 2 1 Hazard classification DANGER The signal word designates a hazard with a high degree of risk which if it is not avoided will result In death or severe injury The signal word designates a hazard with a medium degree of risk which if it is not avoided will result in death or severe injury The signal word designates a hazard with a low degree of risk which if it is not avoided could result in minor or moderate injury NOTE A note as used in this manual contains important information about the product or about a part of the manual to which particular attention should be paid 2 2 Notes on using the ventilation units safely Fire protection gt Follow the requirements of the general building control approval from the Deutsches Institut f r Bautechnik DIBt approval number Z 51 3 138 when planning and install ing the unit Operation with fireplaces An additional safety device underpressure or differential pressure monitor is need ed to monitor operation when M WRG ventilation units are used in conjunction with fireplaces gt Follow the requirements of the German Fire Code FeuVo when planning and install ing the unit gt Contact the local chimney sweep before the end of the planning phase gt Have the chimney sweep approve the operation of the ventilation unit Installation in wet areas The following rules from DIN VDE 0100 701 702 apply to installation in wet areas Protection
25. de The LCD display shows the following information ale GD Ti OS ON 000 010 The flashing cursor highlights the current value to be changed At the start the cursor is on the ventilation level for extract air VLE for Night mode Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version Mel i e ANY VENTILATION amp HEAT RECOVERY gt Use the A or AD button to set the required ventilation level for extract air VLE for Night mode Select a value between ventilation level 1 and 10 gt Press the f button to move to the next value gt Usethe A or AD button to set the required ventilation level for supply air VLI for Night mode Select a value between ventilation level 1 and 10 gt Press the f button to move to the next value gt Use the A or AS button to set the required ventilation level for Day mode PAUSE VL Select a value between ventilation level 0 and 10 gt Press the f button to move to the next value p Use the A or AD button to set the hour for the start time ON for Night mode gt Press the f button to move to the next value p Use the A or AS button to set the minutes for the start time oN for Night mode gt Press the f button to move to the next value gt Use the At or AS button to set the required number of hours
26. e current value to be changed At the start the cursor is on the hours value of the running interval gt Use the A or AD button to set the required hours duration for the running interval gt Press the f button to move to the next value gt Usethe A or AI button to set the required minutes duration for the running inter val p Press the 0 button to move to the next value gt Usethe A or AI button to set the required ventilation level for the running inter val gt Repeat the above steps for the pause interval gt Press the 0 button to move back to the previous value if necessary gt Press the M button to save the setting and start the ventilation program NOTE gt In the pause interval select ventilation level VL 00 if you want to stop the ventilation In this case the ventilation unit will simply display P2 PAUSE and the remaining time The lowest ventilation level in the Running interval is VL 01 Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version Mel i e NNN VENTILATION amp HEAT RECOVERY 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 leve
27. entilation mode for as long as the outdoor air is cooled to below 25 C via the cross flow plate heat exchanger Example 2 The set temperature range for the supply air is between 10 C and 25 C The temperature of the outdoor air is 5 C The ventilation unit remains in ventilation mode for as long as the outdoor air is heated to above 10 C via the cross flow plate heat exchanger Setting gt Select ventilation program P5 see section 9 2 1 on page 20 The ventilation unit starts a five minute sensor run The LCD display shows the following information ZI 65 10 6 p P5 SENSOR RUN Configure Temperature program gt Press the M button to switch to Setup mode The LCD display shows the following information MINIMUM 10 C VL 03 MAXIMUM 25 C The flashing cursor highlights the current value to be changed At the start the cursor is on the MINIMUM for the supply air temperature Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version Mel i qn VENTILATION amp HEAT RECOVERY gt Use the A or AD button to set the required minimum supply air temperature Select a value between 5 C and 25 C The MINIMUM cannot be higher than the MAXIMUM p Press the f button to move to the next value gt Use the A or AD button to set the required m
28. er attached Ventilation unit cover removed Fig 5 Fig 6 Outer wall terminal VENTILATION THE RIGHT WAY Operating instructions M WRG K ventilation unit comfort version Mel i dB VENTILATION amp HEAT RECOVERY 5 2 Description of the functions 5 2 1 How the M WRG ventilation unit works The supply air fan item 5 in Fig 8 transports outdoor air item 7 in Fig 7 through the supply air filter item 2 in Fig 8 and cross flow plate heat exchanger item 3 in Fig 8 into the interior as supply air item 4 in Fig 7 The extract air fan item 4 in Fig 8 extracts the extract air item 3 in Fig 7 from the interior In the extract air filter item 1 in Fig 8 the extract air is cleaned guided through the cross flow plate heat exchanger and carried outside as exhaust air item 8 in Fig 7 The supply air and extract air fans each transport the same volume of air The pressure in the inte rior remains practically constant Item Designation 1 M WRG ventilation unit 2 Internal wall side 3 Extract air 4 Supply air 5 External wall side 6 Outer wall terminal 7 Outdoor air 8 Exhaust air Fig 7 How the ventilation unit works Item Designation 1 Extract air filter 2 Supply air filter 3 Cross flow plate heat exchanger A Extract air fan WZ 5 Supply air fan Fig 8 Components for air exchange Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4
29. g air connectors 409 mm x 388 mm x 196 mm H x W x D see also Fig 3 on page 11 Visible unit depth when surface mounted 196 mm Visible unit depth when flush mounted 66 mm Outdoor air exhaust air connectors DN 100 Weight approx 8 1 kg 1 7 3 Noise emission Sound pressure level L flush mount 15 5 46 5 dB A A 10 m Sound pressure level L surface mount 19 46 a 10 m Sound insulation D flush mount surface mount 50 50 dB 1 7 4 Unit properties Air flow 15 100 m h Heat recovery efficiency up to 76 9o Leakage 0 1 9o 1 7 5 Unit features Output control 10 levels Supply air extract air fan EC direct current motor radial fan Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com mH 7 Operating instructions M WRG K ventilation unit comfort version Heat exchanger Filter change indicator depends on the level of soiling of the filter Condensate drainage Fully automatic cover flap control when switching On Off in Standby mode and if the power fails Frost protection function Humidity control Temperature control CO and mixed gas control Various ventilation programs time temperature supply extract air LCD display Infrared remote control M WRG FB 1 7 6 Filters Designation Standard filter Allergy filter optional Meltem VENTILATION amp HEAT RECOVERY Cross flow plate
30. g sequence 1 11 100 m h 15 min 3 LCD display for status information g Fig 10 Controls and displays on the venti 4 Infrared sensor for receiving user ton unit input from the infrared remote control 7 2 LCD display Item Designation 1 Room air temperature 2 Room air humidity 1 T 1 M 3 Outdoor air temperature 4 Ventilation level 21 C 65 10 C VL 03 VL 01 15m h VL 06 60 m h VL 02 20m h VL 07 70 VL 03 30m h VL 08 80 m h A VL 04 40m h VL 09 90 m h VL 05 50m h VL 10 100 m h 5 Additional messages Filter change required Frost protection active 6 Brief description of the program 7 Selected program Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version Mel i e NNN VENTILATION amp HEAT RECOVERY 7 3 Infrared remote control Meltem Fig 11 Infrared remote control Item Symbol Function 1 LED send function display lights up red when a button is pressed 2 On Off switches between Ventilation mode and Standby mode 3 Selects the next program Selects the previous program Calls up Setup mode Back and save Reduces the value Selects the previous value Increases the value Selects the next value selale Starts the program Back witho
31. gs for the extract air and supply air ventilation levels allows you to determine the direction of the air flow see also Fig 16 on page 30 The air should flow from ventilation unit 1 start of the air flow to ventilation unit 2 destination of the air flow gt To do this make the following settings Ventilation unit 1 Ventilation unit 2 start of the air flow destination of the air flow Ventilation level low e g 01 high e g 03 for extract air VLE Ventilation level high e g 03 low e g 01 for supply air VLI Setting Select ventilation program P7 see section 9 2 1 on page 20 The LCD display shows the following information 21 659 INC WIE 2109 85 10 0 wis IN AIR 03 TIME 08 00 P7 PAUSE BVL 22 00 The left hand LCD display shows the settings for Night mode which is configured at the factory from 22 00 to 06 00 VLE 1 and IN AIR 03 TIME 08 00 means that ventilation level 1 was selected for the extract air and ventilation level 3 for the supply air The ventilation unit is in Night mode with a remaining time of 8 hours right hand LCD display shows the settings for day mode PAUSE which is con figured at the factory from 06 01 to 21 59 VL 03 and P7 PAUSE BVL 22 00 means that the ventilation unit is in program P7 in Day mode PAUSE at basic ventilation level BVL 3 Day mode PAUSE lasts until 22 00 Configure Day and Night mode P Press the M button to switch to Setup mo
32. he minute of the current time Press the 0 button to move back to the previous value if necessary Press the M button to save the setting Press the button 3x to exit the settings NOTE If you have not set the day and time the light flashes on the LCD display The ventilation unit s time will stop running in the following situations if the power fails ifthe ventilation unit was switched off at the mains switch For example the current time on the ventilation unit will be 20 minutes slow after a 20 min ute power cut Saved program settings are retained gt Update the time and the day of the week if necessary The ventilation unit does not automatically switch between summer and winter time The P3 Day week and P7 Ventilation programs require the day and time to be set cor rectly We recommend that you do not use P3 Day week program and P7 Ventilation program if you are using the ventilation unit in conjunction with a safety device such as a differen tial pressure monitor If the safety device interrupts the power supply to the ventilation unit the time on the ventilation unit will stop running so the ventilation programs will no longer work at the required times Meltem Warmeriickgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com 2 BE K Operating instructions M WRG K ventilation unit comfort version Mel i e ANY VENTILATION am
33. heat exchanger Visual and audible Via exhaust air pipe no condensate trap required yes yes yes yes M WRG K FC only yes yes Also required to operate the M WRG K not supplied as standard Filter class Filter area 0 36 m 0 32 m M6 Activated charcoal filter optional 0 12 m 1 8 Storage gt Store the ventilation unit in its original packaging in a dry place where the temperature ranges between 0 C and 40 C 1 9 Environmentally friendly disposal The ventilation units must not be disposed of in the residual waste bin lations that apply on site 1 10 Revision index Manual gt Dispose of the ventilation unit in accordance with the electronic waste disposal regu Edition 3 edition comfort version 1 11 Explanation of the symbols used This symbol indicates an action to be taken This symbol indicates a list Meltem W rmer ckgewinnung GmbH amp Co KG Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions for the M WRG K ventilation unit 06 2015 EN VENTILATION THE RIGHT WAY Operating instructions M WRG K ventilation unit comfort version Mel i qn VENTILATION amp HEAT RECOVERY 2 Safety instructions This manual contains notes that you must follow for your own personal safety and to avoid injury and damage to property They are highlighted by warning triangles and are shown as follows ac cording to the level of
34. innung GmbH amp Co KG Select ventilation program P6 see section 9 2 1 on page 20 The LCD display shows the following information DIG 655 LOC 0 P6 AUTOMATIC 450ppm P6 AUTOMATIC means that the ventilation unit is in ventilation program P6 in Automatic mode Manual mode In Manual mode you can temporarily set the ventilation level to a value between VL 01 and VL 10 Use the A or AD button to set the required ventilation level in order to switch from Automatic to Manual mode The LCD display shows the following information ZIG 655 wise P6 MANUAL 450ppm Press the button to return to Automatic mode Configure Automatic mode Press the M button to switch to Setup mode The LCD display shows the following information VLmin amp 0l VLmax 06 THRESHOLD 650ppm The flashing cursor highlights the current value to be changed At the start the cursor is on the basic ventilation level VLmin Use the A or AD button to set the required ventilation level for basic ventilation VLmin Select a value between 0 and 3 Press the t button to move to the next value Use the A or AI button to set the required ventilation level for ventilation mode VLmax Select a value between 3 and 10 Press the 0 button to move to the next value Use the A or AS button to set the required THRESHOLD for automatic regulation Select a value between 500 and 1200 ppm in 50 ppm increments The factory default
35. ithin this range 6 2 Operation in high atmospheric humidity NOTE gt In the summer months ventilate cellars and similar rooms only during the night Otherwise condensation from the atmospheric humidity can cause damage due to damp on the cold walls Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com mH Wa Operating instructions M WRG K ventilation unit comfort version Mel i e VENTILATION amp HEAT RECOVERY 6 3 Operation at cold times of year NOTE gt During cold times of year run the ventilation unit in continuous mode n below zero temperatures avoid ventilation programs that stop the fan motors for long periods Energy saving motors and an innovative controller ensure a very low power con sumption even in continuous mode roughly 3 8 W at the lowest level Continuous removal of moisture from the interior is only guaranteed in continuous mode condensate is only routed outside in continuous mode In the following cases run a 10 minute ventilation burst at maximum power level regularly if there is high atmospheric humidity in the interior if you need to switch off the ventilation unit This will remove any condensate that is present in the ventilation unit p Maintain the temperature in bedrooms at 16 C to 18 C or more This temperature is also more healthy for the people
36. ls for each day Between the set ventilation periods the ventilation unit automatically switches to Pause mode Setting gt Select ventilation program P3 see section 9 2 1 on page 20 The LCD display shows the following information 21 C 10 C IS Pe RUNNING TH e Po Pash EH EIS P3 RUNNING TH 10 25 means that the ventilation unit is in ventilation program P3 with the status RUNNING The current day and time are also displayed P3 PAUSE TH 00 29 means that the ventilation unit is in ventilation program P3 with the status PAUSE The current day and time are also displayed Configure ventilation periods gt W V W YV V YV YV V Y Y Y YV Y Press the M button to switch to Setup mode The LCD display shows the following information MONDAY TIME m The flashing cursor highlights the current value to be changed At the start the cursor is on the day of the week Use the A or AS button to set the required day Press the f button to move to the next value Use the A or AS button to set the required ventilation period 1 2 or 3 for the day Press the f button to move to the next value Use the A or AI button to set the hour for the start time Press the f button to move to the next value Use the A or AS button to set the minutes for the start time Press the 0 button to move to the next value Use the A or AS button to set the hour for the stop time Press the f button to move
37. m com Operating instructions M WRG K ventilation unit comfort version Mel i dB ANY VENTILATION amp HEAT RECOVERY Manual mode In Manual mode you can temporarily set the ventilation level to a value between VL 01 and VL 10 gt Use the A or AD button to set the required ventilation level in order to switch from Automatic to Manual mode The LCD display shows the following information DIC 859 TO CQ wi sS P4 MANUAL p Press the button to return to Automatic mode Configure Automatic mode gt Press the M button to switch to Setup mode The LCD display shows the following information QUE OG Il eh 60 RH The flashing cursor highlights the current value to be changed At the start the cursor is on the basic ventilation level VLmin gt Use the A or AD button to set the required ventilation level for basic ventilation VLmin Select a value between ventilation level 0 and 3 p Press the f button to move to the next value gt Use the A or AI button to set the required ventilation level for dehumidification mode VLmax Select a value between ventilation level 3 and 10 p Press the f button to move to the next value gt Use the At or AI button to set the required THRESHOLD for automatic regulation Select a value between 40 and 70 relative humidity gt Press the 0 button to move back to the previous value if necessary gt Press the M button to save the setting and s
38. ol approval for Germany A valid building control approval from the Deutsches Institut f r Bautechnik DIBt must be lt ES obtained for the ventilation unit before it is in mm i stalled in Germany This approval can be provided 9 upon request or can be downloaded from our web site at www meltem com waermerueckgewinnung downloads see also the QR code on the back page of these instructions The approval number is Z 51 3 138 see item 1 in f Fig 2 gt For installation outside Germany the 3 national regulations applicable in your Mum country should be followed Fig 2 Approval number and nameplate Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling m mtm E K Operating instructions M WRG K ventilation unit comfort version Mel 5 VENTILATION amp HEAT RECOVERY 1 6 Nameplate You will find the nameplate on the intermediate plate on the inside of the housing see item 2 in Fig 2on page 6 1 7 Technical data 1 7 1 Electrical connection Operating voltage 230 VAC Mains frequency 50 Hz Power consumption 3 8 34 W Power consumption in relation to the air volume 0 17 W m h at 30 m h flow Maximum current consumption 0 16 A Connecting cable NYM J 3x 1 5 mm IP rating IPX1 IPX4 with protective cap on mains switch optional must be installed at the factory 1 7 2 Dimensions and weight Unit dimensions excludin
39. p HEAT RECOVERY 10 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 10 1 PO Stepping switch mode Purpose Ventilation program P0 allows the unit to be operated without a remote control see section 9 1 on page 20 Setting Select ventilation program P0 see section 9 2 1 on page 20 Use the stepping switch to select the required air flow see section 9 2 1 on page 20 10 2 P1 Continuous operation Purpose Ventilation program P1 is a continuous ventilation program 24 hours for ventilation with heat recovery Ventilation level VL 03 is preset at the factory Setting Select ventilation program P1 see section 9 2 1 on page 20 The LCD display shows the following information DI oss JO C wie Os Pl CONT OPERATION Temporarily set the ventilation level gt Use the A or AI button to set the required ventilation level This setting is retained until you exit ventilation program P1 If you select P1 again the permanently saved setting will still apply Permanently set the ventilation level P Press the M button to switch to Setup mode The LCD display shows the following information TEVE C Vine 03 The flashing cursor highlights the current value to be changed At the start the cursor is on the
40. proportion of cold air the ventilation program may be interrupted by the integrated frost protection function Adequately sized overflow openings between the rooms are needed for cross ventilation for example Open doors Aniair gap of 5 10 mm between the door and floor The sum of the air volumes supplied VLI VLI 03 01 04 must be equal to the sum of the air volumes removed VLE VLE 01 03 04 see Fig 16 The status displays for temperature atmospheric humidity etc can differ slightly on the two ventilation units as they relate to information for the respective rooms and exterior air temperatures The heat recovery effect lessens as the values for the extract air VLE and supply air VLI ventilation levels move apart For hygiene reasons do not route the laden air from bathrooms toilets or kitchens through the bedroom or living room Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version Mel i ANY VENTILATION amp HEAT RECOVERY 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 gt Please note that it is not possible to set the ventilation level VL 00 for extract air and sup ply air Controlling the air flow Varying the settin
41. r the unit may be damaged in rooms with a lot of dust e g model making or corrosive gas emissions e g copy shop cleaning For any use contrary to the intended use Meltem W rmer ckgewinnung GmbH amp Co KG shall accept no liability for any damage that may occur and offers no warranty that the components will work perfectly and correctly Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version Mel i qn VENTILATION amp RECOVERY 3 Warranty and liability 3 1 Warranty The following cases shall invalidate the warranty The installation kit was not installed as described in the installation manual The ventilation unit was not installed as described in the installation manual Genuine Meltem parts were not replaced with genuine parts Unapproved changes were made to the installation kit or ventilation unit Repairs were carried out incorrectly The ventilation unit was operated without a filter The warranty does not cover wearing parts such as filters 3 2 Liability The manufacturer s liability shall not apply in the following cases The installation kit was not installed as described in the installation manual The ventilation unit was not installed as described in the installation manual Genuine Meltem pa
42. rganic compounds VOCs such as those that outgas from cleaning agents paints or fitments VOCs can be harmful to the health in higher concentrations or if you stay in such rooms for long periods The ventilation unit automatically reduces the pollution concentration to a minimum via the air exchange and thus ensures good room air quality Sequence The ventilation unit continuously measures the air quality via a CO and mixed gas sensor and ventilates at the set ventilation level VLmin If the pollutant concentration exceeds the variable threshold the ventilation unit calculates the optimum air exchange and automatically sets the nec essary ventilation level to VLmax Ventilation is limited to the extent that is actually needed This also improves the energy efficiency of your ventilation unit Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version Mel i qn VENTILATION amp RECOVERY DIN EN 13779 divides the room air quality into four levels according to the CO concentration At values below 800 ppm the room air quality is high At values between 800 and 1000 ppm the room air quality is average At values between 1000 and 1400 ppm the room air quality is moderate At values above 1400 ppm the room air quality is low Setting Meltem W rmer ckgew
43. rts were not replaced with genuine parts Unapproved changes were made to the installation kit or ventilation unit Repairs were carried out incorrectly The ventilation unit was operated without a filter 4 Dimensions 409 Fig 3 Dimensions of the M WRG K and M WRG K FC ventilation units in millimetres Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com E Operating instructions M WRG K ventilation unit comfort version 5 1 2 Item 1 2 3 4 5 6 T Structure and functions Overview of the modules Ventilation unit cover attached Designation Housing Cover LCD display Stepping switch for three power lev els intensive ventilation level only possible in program P0 Mains switch Ventilation unit cover removed Designation Supply air opening with air flap Supply air filter with filter cover Intermediate plate Network connection cover Supply air hood Extract air filter with filter ring Extract air opening with air flap Outer wall terminal Designation Opening for drawing in outdoor air Opening for blowing out exhaust air Meltem W rmer ckgewinnung GmbH amp Co KG Am Hartholz 4 D 82239 Alling info meltem com www meltem com 12 Meltem VENTILATION amp HEAT RECOVERY 57 T Fig 4 Ventilation unit cov
44. s used nnns 8 2 Safety instructions 9 2 1 Hazard classification MR 9 2 2 Notes on using the ventilation units Safely 9 2 3 Notes on using the ventilation units 10 2 4 I E 10 3 Warranty and liability 11 3 1 ee ea ae ee 11 32 Bre 11 4 DIMENSIONS TO TRE 11 5 Structure and functions ca esu iura cuni aan anna an a anna 12 5 1 Overview of the modules aaa EE Motu a 12 5 1 4 Ventilation unit cover attached 12 5 1 2 Ventilation unit cover removed 12 5 1 3 Outer wall terminal Rm r rr 12 5 2 Description of the functions LLL nennen 13 5 2 1 How the M WRG ventilation unit works 13 5 2 2
45. save on heating costs increase your living comfort and are kind to the environment by reducing CO emissions A filter also re moves pollen dust and other impurities from the outdoor air 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 VOCs and are the second important measurement after the CO content for assessing the air quality An integrated microprocessor calculates the optimum air renewal from the values mea sured by the atmospheric humidity CO and mixed gas sensors and sets the correct ventilation level fully automatically The infrared remote control M WRG FB is needed to program the ventilation units 1 3 Target group These operating instructions are intended for users of the ventilation unit They do not require any special prior knowledge 1 4 EC Declaration of Conformity The ventilation units comfort version described below Type M WRG K M WRG K FC Part number 5030 5030 2 manufactured by Meltem W rmer ckgewinnung GmbH amp Co KG Am Hartholz 4 82239 Alling conform to the regulations and standards listed in the EC Declaration of Conformity provided 1 5 General building contr
46. t infrared remote control PO Stepping switch mode 20 9 2 Operation with infrared remote control a 20 SEN CANE POI I 20 9 2 2 discard settings 20 9 3 Setday and MER 21 10 Ventilation programs 22 10 1 PO Stepping switch mode nnne 22 102 PI Gre ilsilel ues i us 22 193 Interval programi mm 23 104 P3 DawWeGK progra een ee 24 109 PFA Pumidity Drograii RES mm 25 106 FS Temperature DIOJFalll aussen ee 27 Ar 28 10 8 P7 Ventilation program cross ventilation with two ventilation units 30 11 Additional functions 2 2200020002002n0nanunanunanunanunnnunnnunnnunnnunnnnnnnnnnnnnnnn nun 33 11 1 Set ventilation unit to Standby mode a r 33 11 2 SELL language 33 Il 34 11 9 1 and 34 11932 Frostprotection TUPICU OF LLL Oper tU ER RE 34 11 2 9 Close flaps IH PAUSE MOIE anne ee 35 114
47. tart the ventilation program Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version Mel i qn VENTILATION amp HEAT RECOVERY 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 This mode of operation can be useful on hot summer days or very cold winter days Sequence You can select a temperature range for the supply air between 5 C min and 30 C max While the temperature of the supply air remains in the set range the ventilation unit will work If the temperature exceeds or falls below the set range the ventilation unit will switch to Pause mode the air flaps are closed and the LCD display contains the following information PS SENSOR Every hour the unit starts a five minute sensor run in order to record the measured values The unit will remain in operation or switch to Pause mode according to the measured temperature NOTE gt Please note that the set temperature range relates to the supply air rather than the out door air Example 1 The set temperature range for the supply air is between 10 C and 25 C The temperature of the outdoor air is 30 C The ventilation unit remains in v
48. to the next value Use the A or AI button to set the minutes for the stop time Press the f button to move to the next value Use the A or AD button to set the required ventilation level Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com 24 BE K Operating instructions M WRG K ventilation unit comfort version Mel i qn VENTILATION amp HEAT RECOVERY gt Press the 0 button to move back to the previous value if necessary gt Press the M button to save the setting gt Configure a new time interval or press the button to cancel the input and start the ventilation program NOTE Ventilation program P3 requires a correctly set time on the ventilation unit see notes in section 9 3 on page 21 Set the start and end to the same time to temporarily deactivate a ventilation period For more significant configuration changes we recommend that you reconfigure the day Before configuring a week cycle for the first time it will be useful to note down the pattern of all the start and end times Ventilation periods 1 2 and 3 for a day must be entered in the correct chronological order If ventilation period 1 contains the stop time 22 00 the start time in ventilation period 2 cannot start earlier The ventilation unit will not accept invalid input 10 5 P4 Humidity program Purpose Ventilation progr
49. tton to exit the current program Use the or button to navigate to the required program gt Press the button to start the selected program 9 2 2 Save discard settings gt Press the M button to save settings a menu and switch to the previous menu gt Press the button to discard settings in a menu and switch to the previous menu NOTE Some settings require measured values to be recorded which takes some time There will there fore be a delay before the ventilation unit responds to some input Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version Mel i dh ANY V Ww YV Y Y Y Y VENTILATION amp HEAT RECOVERY Set day and time Select program P8 Settings see section 9 2 1 on page 20 The LCD display shows the following information DAY AND TIME WEDNESDAY J S52 Press the M button to switch to Setup mode The LCD display shows the following information DAY AND TIME WEDNESDAY jo o The flashing cursor highlights the current value to be changed At the start the cursor is on the day of the week Use the A or AS button to set the required day Press the f button to move to the next value Use the A or AI button to set the hour of the current time Press the 0 button to move to the next value Use the A or AI button to set t
50. ules for correct usage on page 14 11 2 Set language The language setting menu offers the following languages DE German EN English FR French IT Italian There are two ways to access the language setting menu If the ventilation unit is switched off gt Switch the ventilation unit on at the mains switch item 1 in Fig 10 on page 16 The following message appears on the LCD display after the version number READY gt Press the M button to switch to the language setting menu The currently set language appears on the LCD display e g EN English gt Use the A or AD button to set the required language gt Press the M button to save the setting The ventilation unit changes to the new language and switches to Standby gt Press the 6 button to switch from Standby to program selection Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version Mel i e NNN VENTILATION amp HEAT RECOVERY If the ventilation unit is in operation gt Press the 6 button to switch from Ventilation mode to Standby mode The following message appears on the LCD display READY gt Press the M button and continue as described above to change the language 11 3 8 Settings 11 3 1 Set day and time Setting the day and time is described in
51. ully before starting up the ventilation unit to avoid possible risks and mistakes gt When assembly is complete give these instructions to the home owner caretaker or prop erty manager gt These instructions are part of the product Keep the instructions in a safe place for future reference A WARNING Follow ALL danger and warning instructions and notes on precautionary measures Read section 2 Safety instructions on page 9 carefully 1 2 Description These instructions describe how to set up and operate the decentralised ventilation units M WRG K and M WRG K FC see Fig 1 m Eh Emo Fig 1 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 W rmer ckgewinnung Using windows for ventilation particularly during periods of cold weather is now a thing of the past Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling m mtm E K Operating instructions M WRG K ventilation unit comfort version Mel i e NNN VENTILATION amp HEAT RECOVERY This ventilation unit brings in outdoor air fully automatically and heats it by recovering heat from the air that is extracted Outdoor air and extract air are routed in separate ducts through a cross flow plate heat exchanger see section 5 2 2 on page 14 You
52. ut saving Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com EH Operating instructions M WRG K ventilation unit comfort version Mel i e ANY VENTILATION amp HEAT RECOVERY 8 Starting up 8 1 Check ventilation unit before switching on for first time Check the ventilation unit for damage Check that the openings for extract air and supply air are unobstructed 8 2 Switch on the ventilation unit Switch the ventilation unit on at the mains switch item 1 in Fig 10 on page 16 The following message appears on the LCD display item 3 in Fig 10 on page 16 Versa 024702702 EN HEAT RECOVERY The version number on the top line may be different from the number on your ventilation unit gt Make a note of the version number that appears on the top line of the LCD display on your ventilation unit Vers After approx 10 seconds the air flaps on the extract air and supply air openings open When the READY message appears the ventilation unit switches to ventilation program after approx 20 seconds 8 3 Check position of air flaps NOTE Check the position of the air flaps see Fig 12 and Fig 13 on the extract air and supply air openings Both air flaps will be closed if the ventilation unit is switched off or without power see item 1 in Fig 12 Both air flaps open when you switch on see item 1 in Fig 1
53. y see 12 3 1 Re move cover from ventilation unit on page 38 Ventilation unit starts to chirp Filter is dirty Change the filter see 12 3 at intervals Filter change on page 37 The ventilation unit frequently activates the frost protection The ventilation unit does not Batteries are flat or not insert Insert new batteries or check respond to the infrared remote ed correctly the battery position see 8 4 control Insert batteries in infrared re mote control on page 19 The ventilation unit does not Wrong time due to power fail Set the day and time in pro switch to ventilation program ure or because the ventilation gram P8 see 9 3 Set day or P7 at the set times unit was switched off at the and time on page 21 mains switch Faulty LCD display Software error owitch the ventilation unit off at the mains switch for rough ly 30 seconds and switch on again Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION THE RIGHT WAY Am Hartholz 4 D 82239 Alling info meltem com www meltem com Operating instructions M WRG K ventilation unit comfort version Mel dB NAN VENTILATION amp HEAT RECOVERY 15 Overview of the programs Program selection level Status display level Configuration level Select another language with ES AP 68 M Call up Setup mode Back and save Start ventilation pro saving Meltem W rmer ckgewinnung GmbH amp Co KG VENTILATION T

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