Flexit SPIRIT UNI 3 UNI 4
Contents
1. Flexit UNI 3 Sideways installation Smart opening mechanism The unit can be installed sideways on In this case the The door has an ingenious closing mechanism The door door opens on a side hinge opens in a single movement The door hinge at the bottom of the unit makes the door easy to swing out and remove when necessary ties provided Easy to change filters The units have filters F7 with a high filter grade for supply air and extract air to ensure that the air entering the building is clean The filters also ensure that the unit stays clean Filter changes and fan cleaning is necessary and will ensure that the air handling unit works optimally Cleaning is simple if you follow the description in the user manual The filters should be changed once or twice a year as required Connection options The Flexit UNI 3 and UNI 4 are universal flexible units with several con nection options for ducts The units can be installed on the wall or floor horizontally or sideways They can be located in a cold zone such as the loft separate kitchen hood can be connected Protection against condensation To avoid the formation of condensation it is particularly important for the outdoo2. Flexit UNI 4 CI 600 Flexit UNI 3 The new UNI 3 and UNI 4 AHU cut heating bills save on building costs and solve problem houses UNI 3 and UNI 4 provide an excellent indoor climate and meet the Passive House standard FLEXIT Energy efficient ventilation Flexit SPIRIT UNI 3 and UNI 4 Flexit UNI 3 and UNI 4 are parts of the Flexit SPIRIT range UNI 3 has a capacity up to 400 m h and is ideal for small dwellings and single family houses UNI 4 has a capacity up to 680 m h and is well suited to larger homes and smaller offices The units take the best from previous Flexit units and add number of new features The emphasis is very much on energy efficiency quietness ease of use and design a New control system I EEE Save on building costs The UNI units are very efficient with a low SFP This allows redistribution within the energy limits making it pos sible to reduce the thickness of insulation or choose win dows with a higher U value for example The total cost of the building can be reduced by opting for the UNI 3 or 4 It can solve problem houses The UNI s good energy values can solve some problem houses In houses with extra large windows or other challenges when it comes to energy requirements it is possible to stay within the overall energy limits and have the building approved by using the UNI 3 or UNI 4 7 Flexit UNI 3 and UNI
3. With our new control system the ventilation system can be controlled automatically or the system can be adjusted directly There are two new control panels to choose from The new panels are in an attractive design with user friendly operation backlit buttons and indicators that Flexit CI 60 The CI 60 control panel has all the necessary control functions It is possible to adjust and control speed and temperature on the panel The panel gives a signal if there is a fault in the unit or the filter needs changing The panel is the right size to fit a single wall box and comes with a low voltage cable for connection to the unit Several panels can be connected if ventilation needs to be controlled from several places in the dwelling The air handling unit is adjusted on the control panel The picture shows the control panel open show the settings whether a service is needed alarms clearly The control panels are in black plastic with a high gloss piano finish The panelis attractive with easy to understand buttons and indicators Flexit CI 600 The Flexit CI 600 has lots of extra refinements and control options In addition to the standard functions on the CI 60 the CI 600 has the following features e Timer function e High resolution colour display with text and symbols e Cooling control e Extract air control e Option of communication by Modbus The panel displays indoor and outdoor
4. 1 700062 700063 Type UNI 4 RER EC UNI 4 REL EC UNI ARR EC UNI ARLEC rotor el element right mod EC fan rotor el element left mod EC fan rotor right mod EC fan rotor left mod EC fan Control panels Art no 09410 09415 Type CI 60 Control panel CI 600 Control panel with timer function Accessories Art no 110716 110898 110998 111146 09410 09415 110983 111293 09390 110979 111410 111156 110987 110991 09861 110861 110862 110863 110948 56596 14482 14481 110939 110940 110941 110942 110956 111135 102405 102406 110955 00797 00798 00799 00800 Type Filter set complete UNI 3 Filter set complete UNI 4 Compact filter F7 Hybrid carbon coated UNI 3 Compact filter F7 Hybrid carbon coated UNI 4 CI 60 Control Panel Cl 600 Control Panel with timer function Forcing Switch wireless Extra Forcing switch SP 450 Motion Detector Pressure Guard for kitchen duct wireless Pressure Guard for kitchen duct w cable Temperature Sensor NTC Humidity Sensor Sensor Smoke Detector Electrical element complete UNI 3 Electrical element complete UNI 4 Water Coil complete low capasity Water Coil complete high capasity Motor Shunt 230V Closing Air Damper w spring return 2160 Closing Air Damper w spring return 2200 2 way Valve KVS 0 25 2 way 2 way Valve KVS 0 4 2 way 3 way Valve KVS 0 25 3 way 3 way Valve KVS 0 4 3 way Duct Cover U
5. 4 with I the control panels CI 60 and CI 600 Control unit and control panels CI 60 CI 600 are also brand new Importance has been attached to contemporary design easy of use and controlling ventilation to suit requirements Right up to Passive House standard It goes without saying that the UNI 3 and UNI 4 have been developed to meet the requirements of the latest regu lations They also meets the Passive House standard The Passive House standard sets minimum thermal efficiency requirements for heat recovery systems in excess of 80 nominally 82 or above and a specific fan power SFP of less than 1 5 for ventilation systems Satisfying these requirements will give the house owner a highly energy efficient ventilation system that satisfies the standards of the future today The SFP Specific Fan Power kw m s is an expression of the energy required by the fans in the unit to transport air o High performance in every key area The regulations set efficiency and SFP requirements with a view to limiting energy consumption in buildings The UNI 3 and UNI 4 offer high performance in every Low SFP A good SFP requires not only an efficient motor but also an efficient impeller and optimal fitting in the fan casing and unit The result is low energy consump tion and therefore a low SFP Flexit has used new technology for the im peller and casing fitting to ensure an optimum outcome and superior S
6. FP SFP less than 1 5 Patent pending Flexit UNI 3 on rotor system Quiet Virtually noiseless fans optimal air flow design inside the unit and good soundproofing mean that the unit is extremely quiet The result is low radiated noise in the room where the unit is located and low noise in bedrooms and living rooms The suspension rail with its damper reduces the trans mission of structural noise to the wall All these factors combined mean that noise levels are well within requirements Requirement controlled ventilation e In addition to high efficiency and low SFP energy efficient ventilation is also about supplying the right amount of air at the right time e Anumber of control options make it possible to automate ventilation ensuring a good indoor environment and low energy consumption key area and have been optimised to deliver clean fresh air with high heat recovery and low energy consumption High efficiency low pressure drop The UNI unit s have been optimised for energy saving The geometry and flow of the rotor solution provide the highest possible efficiency and lowest possible pressure drop resulting in turn in a better SFP Efficiency well in excess of 8096 offers good opportu nities for redistribution in energy calculations The rotor motor has low energy consumption 3 watt Clean fresh air Fine filters for both intake and exhaust remove contaminants from the outdoor air a
7. NI 3 Duct Cover UNI 4 Sealing Sleeve 0125 Sealing Sleeve 0160 Absorption feet for floor mounting 4 pcs Combi Unit 2x160mm black Combi Unit 2x160mm white Combi Unit 2x200mm white Combi Unit 2x200mm black 110716 Filter set UNI 110898 Filter set UNI 4 110998 Filter set F7 UNI 3 Hybrid 111146 Filter set F7 UNI 4 Hybrid 110983 Forcing Switch wireless 111293 Extra forseringsbryter 09390 Motion Detector 110991 CO Sensor 110979 Pressure Guard for kitchen duct wireless 110861 El element UNI complete 110862 El element UNI 4 complete Water Coil 110863 110948 Closing Air Damper 14482 14481 110956 Duct cover UNI 3 Duct cover UNI 4 gt 4 x FE a2 v 09410 Control Panel CI 60 09415 Control Panel CI 600 111156 Temperature Sensor 110987 Humidity Sensor 09861 Smoke Detector 111410 Pressure Guard for kitchen duct w cable 56596 Motor Shunt 2 or 3 way Valve 110939 110940 110941 110942 Sealing Sleeve 102405 0125 102406 0160 110955 Absorption feet Combi Unit 00797 00798 00799 00800 Symbols Used SUPPLY AIR EXTRACT AIR EXHAUST AIR OUTDOOR AIR These products have a number of symbols that are used to label the product itself and in the installation and user documentation CI Supply air Extract air Exhaust air Outdoor air Male connection
8. UNI 3 and UNI 4 Left model top Left model bottom Right model bottom 14 Dimensions UNI 3 484mm 520mm System drawings UNI 3 and UNI 4 Exhaust Outdoor Supply Extract air air 4 A M dy ANN F M4 System drawing with heating element left model 1 Temperature sensor supply air B4 Temperature sensor outdoor air EBT Heating element FIO Overheating thermostat manual reset F20 Overheating thermostat automatic reset Supply air filter Fl2 Extract air filter 1 Supply air fan M2 Extract air fan HR R Heat recovery system M4 Rotor motor K Kitchen hood Exhaust Outdoor Supply Extract air air air air System drawing without heating element left model 1 Temperature sensor supply air B4 Temperature sensor outdoor air Supply air filter Fl2 Extract air filter 1 Supply air fan M2 Extract air fan HR R Heat recovery system M4 Rotor motor K Kitchen hood Temperature efficiency UNI 3 according to EN 308 100 80 60 40 20 0 200 300 400 500 600 m3 h Temperature efficiency UNI 4 according to EN 308 www flexit no Here it s possible to download FlexitCalculation There are dimentioned drawing and 3D models This is a calculation program for air handling of the units and all
9. air temperature Functions and alarms appear on the display with help messages The panel is the right size to fit a single wall box and comes with a low voltage cable for connection to the unit If ventilation needs to be controlled from several places in the dwelling a Cl 60 panel and wireless forcing switch can be used The panel displays Time and date at Outdoor air temperature ir reser enti Room temperature Current speed of ventilation unit Additional heating activated deactivated Daily weekly timer active FLEXIT External connection of kitchen hood UNI and UNI 4 can be connected to an external kitchen hood A separate duct connection that comes as standard on the unit is used for the external kitchen hood During cooking the extract air from the kitchen hood bypasses the rotary wheel heat exchanger The kitchen hood is supplied separately and installed on site There is a choice of designer hoods slimline models built in hoods and cabinet models The grease filter in the kitchen hood absorbs grease and food odours from cooking The grease filter has to be cleaned regularly and can be put in the dishwasher Vision E F Bistro E F 3 Elegant E F Kitchen hoods for external connection Art no Model 110604 Vision E F 60cm 110603 Vision E F 90 cm 110607 Elegant E F 60 cm steel 110608 Elegant E F 60 cm black 110609 Elegant E F 60 cm white 13750 Br
10. asserie E white 13751 Brasserie E F steel 13626 Bistro E F 13616 Fondue E Product description Flexit SPIRIT UNI and UNI 4 the air handling units with high efficiency rotary heat exchanger The products are designed to be installed in technical rooms washrooms storage rooms lofts or other suitable spaces UNI 3 and UNI 4 can be mounted vertical horizontal or sideways and can be connected to the kitchen hood Suitable for both new and existing homes and small offices The units come with EC fans and are equipped with two F7 compact filters UNI 3 and UNI 4 controlled via the control panels CI 60 or CI 600 o O e VO General picture shows UNI 3 as left model with heating element 1 F12 Extract air filter F 7 2 Supply air filter F 7 EB1 Heating element 4 F10 Overheating thermostat 5 F20 Overheating thermostat Reset 6 M1 Supply air fan 7 M2 Extract air fan 8 HR R Heating rotor recovery system 9 M4 Rotor motor 10 Control board 11 Connection for external kitchen hood 12 Temperature sensor supply air 13 Temperature sensor outdoor air D Flexit SPIRIT UNI 3 Art no 700040 700041 700042 700043 Type UNI 3 RER EC UNI 3 REL EC UNI3RR EC UNI 3RL EC rotor el element right mod EC fan rotor el element left mod EC fan rotor right mod EC fan rotor left mod EC fan Flexit SPIRIT UNI 4 Art no 700060 70006
11. e Pal T5 Power consumption W 50 CETTE 25 8008 Al 0 300 400 500 500 700 Air flow rate m3 h Extract air side with F7 filter Air flow rate 1 5 100 120 140 160 180 200 Yellow field po Csr etapertan E L 200 L 175 150 125 100 Contact resistance Power consumption W LE ml Sauma 290800 200 300 400 500 600 700 aca Oe oe Air flow rate m3 h Correction factor for Lw Sound data is given at sound power level LwA in the Hz 63 125 250 500 1000 2000 4000 8000 LWA capacity diagrams and is corrected with the table Supply air 1 1 5 E 10 4 26 37 below for the various octave bands banter m 4 _ J0 22 34 53 Radiated noise produces Lw in the various octave bands and total LwA This is read directly from the Radiated 53 43 35 44 47 54 63 64 406 s pply dik table Flexit specialises in home ventilation and delivers clean fresh air solutions for a healthy indoor environ ment Flexit is the market leader in home ventilation and has been supplying ventilation solutions to Norwegian homes for 35 years Flexit s new SPIRIT range is a brand new generation of air handling units Stricter energy requirements in the regulations and the new Passive House Standard demand efficient air handling units and the SPIRIT range has been developed to meet that need High targets for energy efficiency quietness user friendliness and quali
12. e unit re garding the humidity level in the room Ventilation is adjusted as required Requirement controlled ventilation the right amount of air at the right time Requirement controlled ventilation means that ventilation in the building can be controlled in such a way that the needs of the occupants are properly catered for and the building is ventilated well enough to prevent possible damage Wireless control panel art no 110983 for forcing max i ventilation It can be positio ned near the bathroom for accessibility Simple retrofit ting without laying cables Air handling units in a separate room It is equipped with low energy fans a high efficiency rotor recovery system and fine filters The control system re gulates ventilation as required to use a number of control options such as timer pressure humidity and the presence of people to automate ventilation so as to ensure a good indoor environment and low energy consumption Bedroom gt Bedroom the right amount of air at the right time Current regulations allow ventilation to be redu ced when a dwelling is not in use and the automatic control system has been set up to make this simple The UNI 3 and UNI 4 can also have kitchen ventilation going into the exhaust air duct or increase the supply Living room Kitchen Fireplace Living room Kitchen ventilation two alternative
13. nd protect the rotor from contamination Separate filter cassettes make changing filters a simple matter Efficient and reliable in the cold too The rotor technology offers high efficiency even in the cold which in turn ensures high annual efficiency The UNI 3 and UNI 4 are well insulated and have been tested in severe cold in SINTEF s cold laboratory 9 e The UNI 3 and UNI 4 can also have kitchen ventilation going into the exhaust air duct or increase the supply of fresh air if a separate kitchen hood with a motor is used The supply of fresh air can also be increased when a fireplace is used This contributes to balanced ventilation which is necessary in the well sealed houses of today if both kitchen extraction and the updraught from the fireplace are to work properly Flexit SPIRIT UNI 3 and UNI 4 user friendliness and quality given priority Balanced ventilation has become standard in new functioning in the cold The UNI 3 and UNI 4 have homes This means that installation has to be made been developed to satisfy all these requirements as simple and safe as possible New users want pro guaranteeing occupants clean fresh air in ducts to be simple to operate The cold Nordic climate an energy efficient way all year round makes tough demands with regard to operation and Easy to install The suspension rail for wall mounting has a rubber damper which reduces the transmission of structural noise to the wall
14. ntrol system Design for bigger homes small office buildings and passive houses Hareide Designmill has assisted Flexit with design development environment EE products electrical and electronic products Flexit meets its obligations under the Waste Regulations EE Regulations through its membership of the following waste recycling companies Renas AS for commercial electric electronic EE waste must not be disposed of with other waste but when no longer needed should be handed into a dealer or appropriate location at a local disposal collection centre Since 2005 EE products have been labelled with a crossed through waste bin and are part of a return and recycling system where they are accepted free of charge equipment e g extract fans ventilation units El retur AS for electric electronic household appliances e g bathroom vans kitchen fans 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 L EXI 1 amp Product code 111208 01 2011 Phone 47 6981 0000 Fax 47 6981 0080 info flexit com www flexit com
15. r and exhaust air ducts to have insulation and a plastic sleeve all the way down to the unit The duct insulation should be taken right down to the polystyrene around the nipple and secured with the Attic Installation UNI 4 The back door on UNI 4 can be removed so the unit depths do not exceed the minimum width for the attic stairs 484 mm Flexible duct connection Duct connections for outdoor air and extract air if preferred be moved to the bottom of the unit by exchanging the nipples and covers Requirement controlled ventilation In addition to high efficiency and low SFP energy efficient ventilation is also about supplying the right amount of air at the right time Flexit s new automatic control system has been developed to make it easier to operate the user interface correctly It is also possible Key to the colour codes used in the ventilation system O Extract air Contaminated air is removed from wet rooms bathrooms and toilets Supply air Filtered conditioned air is supplied to bedrooms and living rooms Exhaust air Contaminated air is expelled from the house Q Outdoor air Clean fresh air is drawn in from outside o CO sensor art no 110991 in living room sends a signal to Sg the unit regarding the contami D nation level the room Venti lation is adjusted as required Humidity sensor art no 110987 in both bathroom and wet room sends a signal to th
16. solutions 1 Unit connected to 4 of fresh air if a separate kitchen hood with a motor is used This contributes to balanced ventilation which is necessary in the well sealed houses of today if kitchen extraction is to work properly CI 60 control panel art no 09410 or C1600 art no 09415 advanced in a separate location in the dwelling for simple control and monitoring of the ventilation system Motion sensor art no 09390 in living room sends signal to the unit to increase ventilation f to max setting Fireplace A fireplace requires an adequate air supply to ensure good updraught and prevent smoke from coming into the room Wireless control panel art no 110983 for in creasing the air supply if a fireplace is used It can be positioned near the fireplace for accessibility Simple retrofitting without laying cables m 2 Kitchen fan with direct external kitchen hood During cooking the extract air from the kitchen hood bypasses the rotary wheel heat exchanger The unit comes with a separate duct connection for a kitchen hood as standard Q exhaust out of the building Wireless pressure sensor art no 110979 can be located in exhaust from kit chen hood If the pressure changes when the damper is adjusted the pressure sensor sends a signal to the unit to adjust the air supply Control panels Contemporary design ease of use and automatic adjustment
17. technical values of the units that make it easier to find the best unit products It can be removed files for use in other applications eg MagiCAD Capacity and sound data UNI 3 Supply air side with F7 filter Air flow rate I s 0 20 40 60 80 Yellow field SFP lt 1 0 per fan 4 __ Contact resistance Pal Power consumption W Extract air side with F7 filter Air flow rate 1 5 40 60 80 Air flow rate m3 h Yellow field SEP lt 1 0 per fan Contact resistance Pa Power consumption W Correction factor for Lw Hz 63 125 250 500 1000 2000 4000 8000 LWA Supply air 1 3 7 l 20 36 Extract air 2 0 2 HG 292 252 Radiated 50 46 33 39 50 53 60 70 386 Air flow rate m3 h 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 This is read directly from the supply air table Capacity and sound data UNI 4 Supply air side with F7 filter Air flow rate 1 5 80 100 120 140 160 180 200 Yellow field j SFP lt LU per fan Contact resistanc
18. ty Flexit is a Norwegian company All products are developed specially for the Nordic climate Products are tested and documented in accordance with the latest standards That gives you peace of mind characterise the whole range and new models will be introduced in the future All the models are equipped with high efficiency rotating recovery systems and have low energy fans Together with the new control system this means that the SPIRIT range sets a new standard in home ventilation TT ea EE Flexit K2R It is a combined air handling unit with an integrated kitchen hood specially de signed for flats It has a high efficiency rotary recovery system and low energy fans The unit is very quiet SINTEF SINTEF working together with Flexit has developed optimal technological solutions with the emphasis on energy efficiency and good indoor Flexit UNI Air handling unit with a capacity of around 400 m h It has a high efficiency rotary recovery system low energy fans and anew control system Designed for small dwellings single family houses small office buildings and passive houses 4 NORSK DESIGNRAD NORWEGIAN DESIGN COUNCIL The Norwegian Design Council working together with Flexit has conducted user surveys to ensure optimal user friendliness Flexit UNI 4 New air handling unit with a capacity of 680 m nh It has a high efficiency rotary recovery system low energy fans and a new co
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