Operating Instructions
Contents
1. Vs O 20 40 60 80 100 120 400 100 B 300 lt E eo 3 w J c 9 E c c E 9 2 200 50 2 d E v 2 w Val o m c 8 8 S L o 100 80 25 g 80 o a 60 kon 75dBTA N AQ d 5 T0dBIA TOIS 60 R TN o w Pa O SSdB A ili Se eee ee m h O 100 200 300 400 500 5 15 30 50 75 Water Battery Pa l l l l 0 15 30 40 55 65 FSFilter Air flow rate m h Pressure correction factor Extract air side with F7 filter Vs O 20 40 60 80 100 120 an 400 100 ri T z amp l S g 300 75 5 i S n w E v E 5 5 200 7 50 2 16055 9 o 100 rus U prid FI 100 5 A 25 Q C80 60dB A E 60 ANA 60 SSdB A A034 s1 SOdB A 4075 TSUBA Pa 0 40dB A ow gt m h O 100 200 300 400 500 Air flow rate m h Pressure correction factor Sound data is given at sound power level LwA in the capacity diagrams and is corrected with the table below for the various octave bands Radiated noise produces Lw in the various octave bands and total LwA Radiated noise is estimated by finding the noise level from the supply air table and deduct the total value found in the correction factor table Correction factor for LwA Hz 63 125 250 500 1000 2000 4000 8000 LWA Supplyar 9 6 2 3 4 9 17 3l Extract air 382. 2 7 Space in front of unit min A measures se listing Space over unit min 50 cm These are minimum requirements that only take service needs into account National statutory requirements for electrical safety may deviate from this Check which rules apply in your country 2 3 Recommended Location Sound Insulation The unit is intended for installation in lofts but may also be mounted in other locations The unit should not be installed dirictly above sleeping rooms due to potential noise problems The unit should be placed on a firm surface e g plaster or compound board in level position If the room is noise sencitive the floorboard can be placed ontop of an additional firm piece of insulation material for optimal muffeling see Fig 2 Fig 2 NAVAT VATLTAUS XIXVFLIIHEXTALJAT Recommended surface 5 avoiding if possible cold rooms In could rooms the drainage pipe must be Insulation insulated with at least 50 mm mineral wool drain bowls If the pipe cannot be lead directly down from the unit it must be placed between inner roof and insulation If there is no risk of frost the water lock may be placed in the loft insulationand connected with ventilation unit and breather pipe with 16mm plasic hose Condensation water pipe must never be placed on top of the loft insulation without installing
3. N Lack of cleaning as prescribed will increase the risk of fire in the event of an accident OTT 3 FLEXIT 13 Fault Location A If a power failure occurs the ventilation unit will return to the factory settings when restarting The fans do not function and Do the following or The fans are not running Check that the power cord is correctly inserted in the outlet or unable to regulate Check that the fuses in the fuse box are active The overheating thermostat s Pos no 7 8 Chapt 6 General Drawings may have been activated Remove white plastic cover and push white reset button Check that thermoguard Pos no 3 is connected Suppy air feels too cold Check that the heating battery switch is on and that the summer cassette is not installed The heating regulation thermostat Pos no 4 Chapt 6 may be set to higher temperature Check thet the thermoguard termofuktfgler Pos no 3 is connected The overheating thermostat s Pos no 7 8 may have been activated Remove white cover and press the white reset button Check that the switch for for secondary heating is activated The air supply sub Filter Pos no 1 2 Chapt 6 may be clogged with dirt Clean or stantially reduced replace see under Cleaning Maintenance Grille for supply air inlet may be clogged see under Cleaning Maintenance Please report the model type and serial number found on the sign inside the ventilation unit 4
4. SON Pa 0 esaB A 7OdB A o W gt m3 h O 200 400 600 800 0 5 15 25 40 55 Water Battery Pa I 0 20 35 50 65 85 F5 filter Air flow rate m h Pressure correction factor Extract air side with F7 filter l s O 40 80 120 160 200 A 500 250 a 400 200 w ide 3 2 E 300 230V 150 5 2 g 490V T E S Sop 17 0 3 f ASOV 100 x c 230V O i 42 0 IH T N i 190V o Bud 170 a 100 gsv 150V 64dB 50 c Leow M W ga d K 8s L CI 60dB A Pa 0 EAE sodB A 3dB A ow gt m h O 200 400 600 800 Pa f f f f I 0 20 35 50 60 FS Filter Air flow rate m h Pressure correction factor Sound data is given at sound power level LwA in the capacity Data for supply air is measured in accordance with ISO 5136 diagrams and is corrected with the table below for the various the In duct method octave bands Radiated noise produces Lw in the various octave bands and total LwA Radiated noise is estimated by finding the noise level from the supply air table and deduct the total value found in the correction factor table Radiated noise is measured in accordance with ISO 9614 2 Bruel Kjcer measuring equipment type 2260 Blue curves Air capacity at various capacity settings in Volt Correction factor for LwA Green curves Supply air fan power consumption at various capacity Hz 63 125 250 500 1000 2000 4000 8000 LWA settings Supply air 3 2 ZI Ey 18 3l Red curves Sound p
5. o c fur o S 190V HW T gt HOV 180V S8dB A g 50 o 100 20v SSdB A 50 d CIOSY TOV 85V OSV SOdB A gay J TOSV er A E BSV Z5dB A 69V Pa O Oo W m3 h O 100 200 300 400 500 Air flow rate m h Pressure correction factor Sound data is given at sound power level LwA in the capacity diagrams Data for supply air is measured in accordance with ISO 5136 and is corrected with the table below for the various octave bands the In duct method Radiated noise produces Lw in the various octave bands and total LwA Radiated noise is measured in accordance with ISO 9614 2 Radiated noise is estimated by finding the noise level from the supply Bruel Kjoer measuring equipment type 2260 air table and deduct the total value found in the correction factor table Correction factor for Lw Blue curves Green curves Air capacity at various capacity settings in Volt Hz 63 125 250 500 1000 2000 4000 8000 LwA oe air fan power consumption at various Capacity settings Supply ud 3 2 S2 3 E 6 13 29 Red curves Sound power level LWA cf correction table Extract air 18 14 12 14 e8 37 43 Light blue correction axis Pressure increase using an EU 5 filter Radiated 47 42 40 43 44 45 49 57 387 Light green correction axis Pressure reduction using a water battery n ONE Q FLEXIT 7 2 Capacity Diagram Sound Data Specifications L4 XE EC Supply air side with F7 filter
6. HAE Om 5 2 Possible Valve Types 3 way valve type Belimo DN15 Article no 56597 Kvs 1 6 Article no 56604 Kvs 1 0 5 3 Possible Valve Motor Valve motor type Belimo L230A SR 0 10V Article no 56596 A 24V motor cannot be used 5 4 Connections Use the recommended connection see Fig 18 unless specified otherwise The water supply must be at the bottom of the water battery the return must be on the top Place the adjustment valve as close to the unit as possible Please note that many valve motors can go in both directions and this can be set on the motor Set it so that the valve opens on an increasing 0 10 V signal dette ikke har noen funksjon Om aggregatets vannbatteri er det heyeste punktet i kretsen m luftningsventil mon teres etter vannbatteriet Vannbatteriene har ingen luftemulighet da If you use a water battery that has not had glycol or another antifreeze added the unit should be in a heated room on account of the risk of frost in the battery Install air dampers with spring loaded return for outdoor air Place the unit close to a gully to avoid damage caused by any water leaks FLEXIT Hot water from boiler system 3 way valve Pump Throttle valve A Water batterv in the Supply air system Fig 18 Recommended connection FLEXIT 6 1 L4 XE and L7 XE General Figure Cross Heat Exchanger FI2 FIT B6 EB2 EB1 F20 F10 J O U A W N 8 MI 9 M2 1
7. heating cable connected to the piping and proper outside insulation lation unit so that the water lock is filled If the drainage system is not installed in ac cordance with prevailing standards water leaks may occur A Pour some water in the bottom of the venti Fig 3 Min 5 fall JMin 100 mm waterlock Must be room forat least 50 mm insulation for drainage pipe in areas with frost condions Additional floorboard l Additional insulation AUAUAUAUAUAUAUAUAUAUAUAUAUAUAUAUS no NN ONENM 3 Connections e The ducts usually come from joists and are connected to the nipples on the top of the unit e Ensure that the ducts are connected to the right nipple See the labelling on the unit top bottom and behind door The symbols are explained on page 3 and the placing is shown on measurement drawing in Chap 1 Pull the duct insulation well up to the unit To avoid condensation it is very important for the outdoor air duct to have insulation and a plastic sleeve pulled right down to the unit Seal the plastic sleeve to the unit with tape The outdoor air duct is normally designed with 25 mm insulation Lay the outdoor air duct with a slight incline towards the outdoor air cap so that any water that enters drains out again e With a short distance between the unit and the exhaust point sound insulation must be installed to meet the requirements for the out door sound level e Ducts must have good
8. sound insulation par ticularly above the unit 4 Electrical Works The unit should be equipped with a sepa rate earth leakage circuit breaker Power Cord The unit is supplied with a 1 8 m cable and plug which also functions as the service switch The cable emerges on the top of the unit front on the left side of a right model and the right side of a left model This is connected to a 230 V 50 Hz single phase earthed power point that is located in an easily accessible position close by For fuse types see chap 8 Water models Connected to external box NM N N pe o 3 0 32250 DOTT gt gt gt o ad o e m m m m N N N N 5 5 5 St U 2 o o o gt E E E E gt x w a 2 E ST E ES amp o Jg am ON FLEXIT 4 1 Automatics The control package is supplied with the unit The low voltage cable must be laid between the unit and the switch unit See separate automatics documentation 30 cm away from the 230 V cable For flush installation lay the cable in 20 mm conduit pipe The low voltage cable must be laid at least 4 2 Supply Air Temperature Sencor B1 Temperature sensor B1 must be placed after the water battery This should be placed in the supply air duct red on Flexit Drawing Symbold Used page 3 approx 1 m from the unit Roll out the marked wire coil on the unit located close to the supply air intake Drill a 7 mm hole in the duct where
9. the sencor can be placed Seal the hole with a sealant and tape the wire on the outside of the duct to keep in place 4 3 Temperature sensor for water battery B5 In order to avoid that the water battery is destroyed by frost a temperature sensor B5 must be installed on the return water pipe where the cold water leaves the battery 4 4 External Components Refer to separate electrical circut drawing enclosed with the individual ventilation unit and Fig 4 below All electrical connections must be made by qualified personell only Electrical models Connected directely on the mainvboard Fig 4 6 60 7 85 dE LHH lt i sensor Water battery Damper motor 230V 3 wires Damper motor 230V B5 Temperature 2 wires FLEXIT 5 Plumbing Works A All plumbing work must be performed by an authorised plumber 5 1 Techncal Data Water Batteries Tansformer and EC Watertempin C 80 70 60 so 40 Watertemp Out C 60 so 40 30 30 jaw j J Water pressure I s Pressure drop waterside 8 30 6 12 2 48 8 53 kPa l j 2 5 Max battery capasity kW Max temp increase C 39 1 Pipe connection 8 mm EM Recommended kvs value 10 L7 XW DJ Water pressure l s 0 06 Pressure drop waterside 3 kPa Max battery capasity kW Max temp increase C 163 Pipe connection J mm 0 i w 10 0 Recommended kvs value 10 10 10 10 10 o Bad 186 0 10
10. 0 HR X 14 F11 15 F21 System Drawing Electrical Battery Extract air filter Supply air filter Thermoguard Preheater electrical Heating battery electrical Overheating thermostat heating Extract 4 Overheating thermostat heating manual reset Extract air Supply air fan Extract air fan Cross heat exhanger Control panel Supply air Control central Drainage Overheating thermostat pre heating manual reset Overheating thermostat pre heating Extract Ditdugr Bl Temperature sencor supply air FI2 Extract air filter ESTEE wind FI Supply air filter N B6 Thermoguard Supplv Exhaust EB2 Preheater electrical EB Heating battery electrical F20 F210verheating thermostat FIO F11 Overheating thermostat manual reset M1 Supply air fan M2 Extract air fan HR X Cross heat exhanger OTT FLEXIT 6 2 LA XW and L7 XW General Figure Cross Heat Exchanger FI2 Extract air filter FIT Supply air filter B6 Thermoguard EB2 Preheater electrical B5 Temperature sencor water batter WB1 Heating battery water F20 Overheating thermostat preheating FIO Overheating thermostat preheating E tract manual reset 0 J O U L W N 9 M1 Supply air fan 10 M2 Extract air fan 11 HR X Cross heat exhanger v 12 Control panel 13 Connector box 14 Drainage System Drawing Water Battery Exhaust air Bl Temperature sencor supply air FI2
11. 1 HeatingElements 0 AT 12 Cleaning Maintenance L4 XILIX 0000000008 13 Fault Location 20 14 CE Declaration of Conformity KT 15 Product Environmental Declaration 0020000002 00000 00000000005248 FLEXIT 10 Symbols Used This product has a number of symbols that are used to label the product itself and in the installation and user docu mentation Here is an explanation of some of the commonest symbols A DANGER ELECTRICITY m aK DANGER DO NOT TOUCH Normal Summer Cassette Option Supply air Extract air SUPPLY EXTRACT EXCHANGER SUMMER CASSETTE Exhaust air Outdoor air EXHAUST OUTDOOR Our products are subject to continuous development and we therefore reserve the right to make changes We also disclaim liability for any printing errors that may occur CAUTION When a text bears this symbol it means that personal A injury or serious damage to the equipment may follow if the instructions are not fol lowed NB When a text bears this symbol damage to equipment or a poor A utilisation ratio may be the consequence of not following the in structions OTT FLEXIT 1 Sizes Physical Dimensions 1 1 Dimensions L4 X Extract air p 230 210 620 M limm 350 OBS The units have doors on each side so that they can be operated from either side 1 2 Dimensions L7 X
12. 33 32 40 42 43 44 45 Radiated 47 42 40 43 44 45 49 57 345 12 Data for supply air is measured in accordance with ISO 5136 the In duct method Radiated noise is measured in accordance with ISO 9614 2 Bruel Kj r measuring equipment type 2260 Blue curves Air capacity at various capacity settings in Volt Green curves Supply air fan power consumption at various capacity Settings Red curves Sound power level LwA cf correction table Light blue correction axis Light green correction axis Pressure increase using an EU 5 filter Pressure reduction using a water battery FLEXIT F 7 3 Capacity Diagram Sound Data Specifications L7 XE Transformer regulation Supply air side with F7 filter 40 s O 80 120 160 200 A 500 250 400 200 ja G 5 a zn 3 9 230v 300 150 c 5 9 I 190v L o 170v E as 200 L150V 100 2 o c o o S KISS 230V il o 105v 30 E U 100 sw KV S 50 Prev TN FS 80dB A E E ASA i ABA lt lt lt SSM L 75dB A
13. Extract air filter Uteluft FI Supply air filter Avtrekk B5 Temperature sencor water battery B6 Thermoguard pron A2 TT EB2 Preheater electrical N D WB1 Heating battery water su DAI g y Tilluft cd F20 Overheating thermostat F10 Overheating thermostat manual reset MI Supply air fan M2 Extract air fan DAI Damper extract air DA2 Damper outdoor air HR X Cross heat exhanger FLEXIT 7 Capasity and sound data 7 1 Capacity Diagram Sound Data Specifications L4 XE Transformer regulation Supply air side with F7 filter Vs O 20 40 60 80 100 120 gt 400 200 B 300 150 5 lt 3 w c O S 2300 S 3 a 2 200 100 2 g 230V E o 190 o o t 170V o S 100 150V 50 v JTIABCA o SPON 75dB A a 85V TOdB A MA amp 0U S 6SAB A ow I m h O 100 200 300 400 500 0 5 15 30 50 75 Water Battery Pa gt 0 15 30 40 55 65 F5Filter Air flow rate m h Pressure correction factor Extract air side with F7 filter s O 20 40 60 80 100 120 A 400 200 E a o w 300 150 2 o S c o 2 230V 2 g 230 E 200 190V 100
14. If non of these measures solves the trouble contact your supplier for service open door 20 FLEXIT 70 14 CE Declaration of Conformity This declaration confirms that the products meet the reguirements in the following Council Directives and standards 89 336 EEC Electromagnetic compatibility EMC 73 23 EEC Low voltage Directive LVD NEK EN 60335 1 94 A11 95 A1 96 A1 96 A12 96 55014 93 EN 61000 3 2 3 95 EN 55014 2 97 Manufacturer FLEXIT AS Televeien 15 N 1870 rje Equipment group Ventilation units for installation in ducts Type VG 400 1997 VG 700 1997 The product is CE marked Shown in the list above FLEXIT AS 02 05 2001 Pal J Martinsen General Manager The right to give notice of lack of conformity applies to this product in accordance with the existing terms of sale provided that the product is correctly used and maintained Filters are consumables The symbol on the product or on its packaging indicates that this product may not be treated as household waste Instead it shall be handed over to the applicable collection point for the recycling of electrical and electronic equipment By ensuring this product is disposed of correctly you will help prevent potential negative consequences for the environment and human healthe which could otherwisw be caused by inappropriate waste handeling of this product For more detailed information please contact your local city office your household waste disposal ser
15. M l i mm LN E 465 il b OBS The units have doors on each side so that they can be operated from either side FLEXIT 2 Installation A The unit is designed for indoor installation 2 1 Inspection Maintenance The unit must be installed with space for service and maintenance such as filter replacement and cleaning the fans and recovery system It is also important for the unit to be located so that the electrical cabinet is easily accessible for electrical connection troubleshooting and future component replacement 2 2 Space Required Tye A B A In front above unit N Fig 1 B Distance from wall o Check that the installed unit has a fall towards the drainage outlet 2 5 Drainage The drainage system must be installed by a qualified plummer The condensated water must be lead to the nearest air valve for discharge water drainage from wash basin dishwasher or floor outlet This connection mus always be placed in a frost free environment and be completed with a water lock enclosed A water lock MUST be installed or this will lead to the drainage system not functioning due to under pressure in the ventilation unit Make sure that there is a height differeanse between the drainage outlet and the water lock drainage pipe in order for function properly see Fig 3 You must use 15 mm copper pipes with a minimum fall of
16. and 10 Chap 6 General Drawings The fans normally require no maintanance If the ventilation unit is delivered combined with a kitchen hood K model or is connected to an external kitchen hood A model the fans must be cleaned once pr year The fans are cleaned with a small brush and compressed air if available NB Do not use water Disassemble the fans as follows Pull out the quick release contacts The fan with the visible quick release contact is loosened by unscrewing the 4 screws in the round motor plate and carefully pulling the motor out of the motor housing For the fan with the visible intake opening the screw for the rail in the side wall must be removed and the rail pushed down as far as possible The entire fan housing can then be released and turned around The fan can then be released with 4 screws like the first fan The fan with the visible quick release contact is loosened by unscrewing the 3 screws in the end of the fan housing and carefully pulling the fan out For the fan on which the screws are on the opposite side the entire fan housing must be loosened by unscrewing the mounting rails 2 screws on each side of the fan thus releasing it The fan can then be released with 3 screws like the first fan The fan can be disassembled most easily if the exchanger cassette is removed first To preserve a healthy indoor environment it is important to change filters when they are dirty Dirty filters lead to Increased air resis
17. ctions To reduce the risk of fire electric shock or A injury read all the safety instructions and warning texts before using the unit This unit is only designed for ventilation air in buildings It must not be used to extract combustible or flammable gases e Remove the power plug before commencing any service and maintenance work Before you open the door the unit must be dead and the fans must have been given time to stop min 3 minutes e The unit contains heating elements that must not be touched when they are hot e The unit must not be operated without the filters being in place e Follow the instructions in the user manual with regulations and to avoid condensa tion damage the unit must never be stopped apart from during service maintenance or in connection with an accident To maintain a good indoor climate comply 11 Functional Decription I kryssveksleren HR X passerer den kalde uteluften og den varme avtrekksluften i kryss uten komme i direkte kontakt med hverandre Ved dette prinsippet vil mye av varmen i avtrekksluften bli overfort til tilluften tillegg vil et termostatstyrt ettervarmeelement EB1 s rge for at tilluften holder nsket temperatur Denne tilluften fores via kanaler og ventiler til oppholdsrom og soverom Avtrekksluften suges ut fra enten samme rom eller via dgrspalter overstromningsrister til toalett og v trom Den brukte luften fores via kanalsystemet tilbake til aggr
18. egatet gir fra seg varme som nevnt og bl ses ut av bygningen via takhatt eller veggrist 11 1 Heating Elements The heating elements are protected against overheating by the F20 F21 overheating thermostats which switches off at 65 C As an additional safety measure the F10 F11 overheating thermostats switches off at 80 C The overheating thermostats must be reset manually Chap 6 11 2 Frost Protection The ventilation unit is provided with a special thermoguard for maximum benefit of the heat recovery section and maintenance of a balanced ventilation The thermoguard has a sencor stick B6 with a double function It is located in the heat exchangers extract air duct and has a NTC element for controlling temperature and an indicator for registration of moisture This prevents frost in the heat exchanger Selve frostsikringsfunksjonen har folgende forlop Preheater EB2 is activated When this does not provide sufficient frost protection the supply air fan MI speed is reduced ONE A d FLEXIT 12 Cleaning Maintenance L4 X L7 X Before opening the door of the heat recovery system switch off the heat let the fans continue for Doors Fans L4 X L7 X Filter three minutes to remove hot air remove the power from the unit and wait 2 minutes before opening the doors Opened by loosening both eccentric hooks and releasing the hooks The doors can then be completely removed Item nos 9
19. idth 1000mm 1000mm 1000mm 1000mm 8 2 Technical Specifications L7 X OXE EEC LIXW LIXWEC UOU Fuse GAGA 10A 66A Rated current tota 107A 10024 644 I59A Rated power electric batteries 2000w 2000W Rated power fans 2x230W 2xUOW 2x 230 W 2x170W Rated power preheating 1000 W 1000 W 1000 W 1000 W C Stepless 2120 r min 2120 r min 250 r min CS 50 S 50 G3 SUP filter dimensions WxHxD 94x223x250 mm bp dimensions 394x223x20 mm 394x223x20 mm 394x223x20 mm 394x223x20 mm win N m OTT FLEXIT 9 Final Check Control that e The duct insulation is in accordance with the manual and the technical documents e Ducts are connected to the right nipples check against the unit drawings below e Temperature sencor installed in supply air duct 0 5 1 meters from unit e Drainage connected sufficiently frost protected and functioning Refer to separate guide in in water lock kit e Adjustment has been carried out in accordance with the manual and ventilation data documentation e The unit operates normally at all stages e Heating switches on A The installer may be held liable for any incorrect or defective installation TypeL Ts m fe Outdoor air Extract air Supply lt gt Exhaust Supply air Exhaust air m Drainage FLEXIT 10 Important Safety Instru
20. l x LU ml TA 94276E 02 2008 02 FLEXIT LA X L7 X o Operating Instructions Air Handling Unit Cross ONES A w FLEXIT Innhold 1 Sizes Physical Dimensions 11 Dimensions LA X v vss mo d Eu ue 12 Dimensionsl7X 00000 2 1 Inspection Maintenance OOO O 2 2 Space Required MM 2 3 Recommended Location Sound Insulation O a 2 5 Drainage eo intet uiia tu a o te 3 Connections a A Electrical Works y l a 4 1 Automatics NM 4 2 Supply Air Temperature Sencor B1 a 4 3 Temperature sensor water battery BS L 4 4 External Components 2 s 5 Plumbing Works 5 1 Techncal Data Water Batteries Tansformer and EC P I ETTET ESAN 5 2 Possible Valve Types 5 3 Possible Valve Motor O a 5 4 Connections mE 6 General Drawings and System Drawings 00 000 6 1 LAXEand L7 KE 62 LAXWandL7XW o 7 Capasity and sound data v IM 7 1 Capacity Diagram Sound Data Specifications L4 XE Transformer regulation M 7 2 Capacity Diagram Sound Data Specifications L4 XE EC 7 3 Capacity Diagram Sound Data Specifications L7 XE Transformer regulation UM 7 4 Capacity Diagram Sound Data Specifications L7XEEC esas 14 8 Technical Specifications a 8 1 Technical SpecificationsL4X TS 8 2 Technical Specifications L7X AS 9 Final Check AIO EE ere NSN a tt nata LL 10 Important Safety Instructions i AT Tl Functional Decription 2 aa a a a aa aa aa ananas D 11
21. ound power level LwA in the capacity diagrams and is corrected with the table below for the various octave bands Radiated noise produces Lw in the various octave bands and total LwA Radiated noise is estimated by finding the noise level from the supply air table and deduct the total value found in the correction factor table Correction factor for LwA Hz 63 125 250 500 1000 2000 4000 8000 LwA Supply air 6 2 4 5 7 14 27 Extract air 1 e 4 13 15 28 44 Radiated 36 31 33 41 42 39 41 47 334 14 Data for supply air is measured in accordance with ISO 5136 the In duct method Radiated noise is measured in accordance with ISO 9614 2 Bruel Kj r measuring equipment type 2260 Blue curves Green curves Air capacity at various capacity settings in Volt Supply air fan power consumption at various capacity settings Red curves Sound power level LWA cf correction table Light blue correction axis Pressure increase using an EU 5 filter Light green correction axis Pressure reduction using a water battery FLEXIT KO 8 Technical Specifications 8 1 Technical Specifications L4 X Rated voltage 230 V 50Hz 230V 50Hz 230v 50Hz 230V S0Hz Fuse 0A foa OA Rated power total 1990 W 1826 W 1315 W 1151 W batteries Rated power fans 2 x165 W 2x83W 2x165 W 2x83W Rated power preheating 975 W 975 W 975 W 975 W RD dimensions 225x220x20 mm 225x220x20 mm 225x220x20 mm 225x220x20 mm W
22. ower level LWA cf correction table Extract air 10 8 5 22 19 30 48 Light blue correction axis Pressure increase using an EU 5 filter Radiated 55 43 35 36 33 3l 40 50 271 Light green correction axis Pressure reduction using a water battery 13 OTT FLEXIT 7 4 Capacity Diagram Sound Data Specifications L7 XE EC Supply air side with F7 filter 120 160 200 gt gt v gt lt 500 250 400 200 L E a 3 g 300 150 5 o 2 a li 8 200 Ghee 100 E 100 2 O c o oa i o E Ni 100 100 89 50 2 L 4 o 40 TUA 60 ABTAJS3dB A Pa 0 GOdB AJ6SdB A 70dB A 5 dB A SEDEM o W m3 h 0 200 400 600 800 0 5 15 25 40 55 Water Battery Pa a 20 35 50 65 85 F5 filter Air flow rate m h Pressure correction factor Extract air side with F7 filter I s O 40 80 120 160 200 c p y y y i 500 250 400 200 e 3 O 7 E g E o c n 300 150 2 E E dq 5 5 2 E 200 00 100 S O u zu z 80 100 a 100 50 60 7O e d 10 N ESAB AJOSAB A Pa 0 SOdB A SSdB A 60dB A 0 W i I m3 h 0 200 400 600 800 Air flow rate m h Pressure correction factor Sound data is given at s
23. tance in the filter less air in the home the risk of bacterial growth in the filter inthe worst case scenario the system can be damaged How often the filters need to be changed depends on the degree of contamination of the air where they are installed In general the filters need to be changed once a year preferably in the autumn after the pollen season In areas with a lot of dust and contamination the filters should be changed in the spring and autumn Order no for a complete set of filters L4 X 12318 L7 X 12313 Loft model filter location Thermoguard Extract air filter Flat filter with cardboard frame Supply air ilter Prefilter and compact filter Cross exchanger Exchanger cassette Should be checked roughly once a year for dust and dirt in the air ducts First remove the thermoguard 3 and carefully pull the cross exchanger 11 out If cleaning is required place it in a bowl with warm soapy water NB not soda and finally flush it through with warm water Clean the thermoguard separately with a dry cloth When removing installing the exchanger cassette itis important to ensure that both the cassette and the sensor rod are located correctly and that the cable plug is inserted in the contact The thermoguard must be located 6 cm from the top of the exchanger cassette and in the centre of the exchanger cassette Located on the side facing the extract air filter Val
24. tion The unit also contains rotating motors that must have time to stop before the inspection door is opened plus heating elements with a high operating temperature 22 FLEXIT Flexit AS Televeien 15 N 1870 rje www flexit com
25. ves and duct system Outdoor air intake Roof hat Summer operation The valves should be cleaned at least once a year The duct system should be cleaned at least every 10 years Check once a year that the grille is not clogged with leaves dust and dirt Check once a year that the drainage gap at the bottom is not clogged with leaves This applies only if the system has a roof hat During the warm part of the year outside the heating season there is no need to recover heat 18 FLEXIT io Drainage The exchanger cassette can be replaced with a summer cassette that is available as an accessory This is pushed into place where the cross exchanger 11 is located This allows the outdoor air to enter the building directly without heat recovery taking place The thermoguard 3 must then be transferred to the summer cassette Its location is shown on the label NB At the same time the heating must be switched off press the left switch on the control panel so that the green light goes out to avoid the heating element switching on unnecessarily Remember to reverse this again in the autumn At the base of the unit there is a condensation water drain 14 that conducts condensation water to the waste water drain It is important that this drain is always open in good condition and well insulated where it is exposed to frost It is also recommended that you keep an eye on the drainage system to avoid any leaks occurring
26. vice or the shop where you purchased the product Notice of lack of conformity as a result of incorrect or defective installation must be submitted to the installation company responsible The right to give notice of lack of conformity may lapse if the system is used incorrectly or maintenance is grossly neglected 21 ONE wA3 FLEXIT 15 Product Environmental Declaration The declaration applies to the Flexit L4 X L7 X ventilation units Materials Materials with which the user or treated air come into contact e Theunit s outer walls are made of galvanised steel DX51D Z275 NS EN 10142 e The rotary wheel type heat exchanger made of aluminium e Miscellaneous electric cables with PVC insulation e Electric motors consisting of galvanised steel aluminium and copper Heating elements made of steel e Air filters of glass fibre cardboard and EVA melting glue Materials in the unit with which service personnel may come into contact e Plastic insulated electric cables e Miscellaneous other electrical components e Insulation of type EPS Dacron Other materials that may occur in small quantities e Silicon sealant e Polyethylene foamed plastic e EPDM rubber gaskets e Miscellaneous steel screws nuts and pop rivets plus small quantities of copper and brass Safety Materials The materials are considered to be completely harmless to users Use The unit is an electrical appliance which must be made dead for service and inspec
Download Pdf Manuals
Related Search