FLEXIT SPIRIT UNI 2
Contents
1. E a ESA am dn D Fig 28 20 FLEXIT 9 3 Changing the brush strips Fig 29 The brush strips become worn over time If they do not sit tightly against the rotary wheel type heat exchanger it may be necessary to change them product code 102686 Alternatively they can be moved closer to the rotor as the aluminium profile they are mounted in has two grooves A Unplug before starting Proceed as follows 1 Undo the screw for the electric cover see Fig 28 1 and take the cover off 2 Disconnect the rotor s quick release contact from the circuit board by pressing the release down and pulling the contact see Fig 28 2 3 Undo the safety screw for the rotor module see Fig 28 3 Pull the rotor module straight out 5 Remove the screw in the centre of the aluminium profile and pull the profile out see Fig 29 6 Pull the brush strips out of the groove Move them up from level to level 2 see Fig 30 or replace them with new ones if they are completely worn out2. 9 4 Cleaning the rotor As the unit has high impermeability filters installed it is not usually necessary to clean the rotor If for various reasons it should still be necessary dust can be removed with a sott brush Further cleaning is possible by removing the rotor spraying it with a grease solvent and then blowing it ciean from the opposite side Distance approximately 60 mm and max pressure 8 bar Ensure that the motor is not exposed to level water during cleaning Ensure that all seals around the rotor are intact and tight Ensure that there is no damage to the rotor belt and that the rotor rotates freely Fig 30 9 5 External cleaning Many kitchen surface cleaners contain chemicals that may damage the products plastic components Therefore use a soft cloth moistened with warm water and a neutral detergent to clean the outside of the product level 2 A Do not use abrasive cleaners or scouring powder as such products can damage the surfaces Cleaners containing ammonia or citrus must not be used Products that give stainless steel an anti fingerprint coating must not be used either 21 OMNI FLEXIT 10 Maintenance table Filter Filters must be changed at least once a year It is best to change them twice a year before and after the 6 12 pollen season Check that the filter seal is completely tight months Fans Fans must be cleaned at least once a year to maintain fan efficiency 12 months 12 months Rotary
3. gt f J 111537E 05 2012 11 FLEXIT SPIRIT UNI 2 User Manual O Air Treatment Unit Automatic Control OM OD FLEXIT Contents 1 Functional description of balanced ventilation cutie 4 11 Fans M M2 0 4 12 Filters FIT FIZ coconut A 13 ROtOr ARR ccs 4 1 4 Heating element EB1 for UNI ZE cei 4 1 5 Temperature sensors BI BA 22000000 4 2 Operating the door ccna 5 2 1 Wall mounted Unit 0000000000 5 2 Floor mounted unit 6 2 3 Ceiling mounted Unit miu 1 3 Overview of COO control panel cian 8 CIO USC iii 9 A 6606 0 u taas n uuu u u u u 9 4 2 Increasing reducing the air SUPPLY 00 9 4 3 Adjusting the temperature cove 9 4 4 Changing the filters kkf 9 45 o uu uu ia a uu uuu uri L u 8 SR O 9 4 6 Resetting 20000000 9 S Overview of CI600 control panel cei 10 CIGOO IN USA nn 11 6 1 General 11 6 2 Idlemode n 11 6 3 Menu navigation kfk A cians 11 6 4 Startup tO 11 6 5 Operating status cM cccpiipuupiuiuuiiniisss 11 J C600mainmenu Ann 12 71 Fanspeeds ci A 12 IE MON UM somimman nan a AQ aukase O tas K s 12 7 3 Settings 12 JA IEMperatuka sc ad Vaan sui Sia Sit O da RO qala oss da Sa 12 J S Tf iner ll 13 7 6 Daily weekly timer 00000000 13 7 7 Time and date cilia 14 7 83 Language ssi SR SA SEEEKSISKKSINEEI 14 7 9 e JU 14 T O AM nn 14 7 11 Operating information LLL u 14 8 Cl60O0 advanced user MeN 00 15 cA PIN IAIN E OL umuq 15 8 2 AdvanceduSer l aaa 15 8 3 Fancontrol U JU aa 15 8 4 TIME
4. FAN REGULATION SUPPLY AIR EXTRACT AIR TIMER AIR VOLUME COMP 15 o 8 4 Timer Settings are entered in this menu for the speed and time that are to apply to the MAX TIMER function in the main menu TIMER STANDARD SPEED STANDARD TIME 8 5 Idle mode In this Menu you can adjust the time it takes before the dis play enters idle mode REST MODE TIME DELAY 2min OK 8 6 Operating time This menu screen displays the ventilation unit s total operating time and how much time has passed since the last filter change OPERATINGTIME Res OPERATING TIME 312 tim FILTER 125 tim O 8 7 Communication Proceed to the HOME AWAY submenu This function can be used to make the unit run on other operating settings using an external switch NB The settings have no effect unless an external switch is connected The settings are entered for the AWAY selection Speed and temperature can be selected plus how long after activation the new setting should take effect 8 8 Menu tree Fig 23 gt MAINMENU FILTER CHANGE INTERVAL DO M REGULATION TYPE N OLING lt NEUTRAL ZONE TEMP REGULATION l FAN CONTROL HEATING HEAT RECOVERY SYSTEM COOLING SENSORS 16 FLEXIT COMMUNICATION HOME AWAY COOLING RECOVERY HOME AWAY FLEXIT SE 9 Cleaning and maintenance Fig 24 A Before opening the door Switch off the heat let the fans continue for 3 minutes to remo
5. continuous development and we therefore reserve the right to make changes We also disclaim liability for any printing errors that may occur 3 ONE 1 Functional description of balanced ventilation 1 1 Fans M1 M2 The fans ensure that air enters and leaves the building They can be individually adjusted for optimal operation The unit can be regulated at three different speeds via the control panel Min Normal and Max See chapter 5 1 for more information A Adjustment must always be carried out by qualified staff before the installation is used for the first time 1 2 Filters FIT FIZ Filters with a high filter grade F7 are used as standard for both supply air and extract air so that the air which enters the building is clean The filters also ensure that the unit stays clean and can maintain thermal efficiency and air flow 1 3 Rotor HR R The air passes through the rotary wheel type heat exchanger recovery The rotor functions as a heat magazine The heat from the extract air heats up one part of the rotor When the heated part comes over to the supply air Side the heat is transferred to the supply air 1 4 Heating element EB1 for UNI 2 E If the energy recovered from the extract air is insufficient to maintain the set supply air temperature an electric heating element will help raise the temperature The heating eiement is protected against overheating by the thermostat F20 which cuts out at high
6. mode if it is not used for a while Operating information is displayed in idle mode The panel will come out of idle mode if one of the buttons is pressed 13 08 2009 16 43 18C 22C GI NORMAL E Time and date Outdoor air temperature Room temperature Current speed Additional heating activated deactivated Daily weekly timer active Tm 0 0 9 gt 6 3 Menu navigation Buttons and 3 are used to navigate through the menu lines The cursor is illustrated by the line being light blue If It is possible to make a selection on the current menu line this is displayed with OK to the right of the line A selection is confirmed by pressing button 4 If a menu line contains submenus this is illustrated with a gt sign at the end of the line U SETTINGS TEMPERATURE TIMER DAY WEEK SETTINGS TIME AND DATE LANGUAGE FILTER ALARM ADVANCED USER OPERATING INFORMATION A N V V V V V V O v v O O O O O O O O 11 If you select a function that has numerical values the current value is displayed with a light blue cursor The value is changed with buttons l and 3 and then confirmed by pressing button 4 TIME AND DATE pm TIME 13 45 04 07 09 ox DAY MONTH YEAR If several values can be changed the cursor jumps to the right when a selection is confirmed with button 4 The procedure is repeated until all settings have been changed to the desired values If you want t
7. nn 15 8 5 ldle MOde 15 8 6 Operating time cmp 16 8 7 COMMUNICATION iin 16 8 8 Menu tree 00000000 16 9 Cleaning and maintenance iii 17 9 1 Changing the filters 17 9 2 Cleaning the fons 20000000 18 9 3 Changing the brush strips 21 9 4 Cleaning the rotor l aaa 21 9 5 External cleaning 0000 21 10 Maintenance table 000000 22 NH Troubleshooting 00000000 22 12 CE Declaration of Conformity ccna 23 FLEXIT EO A Important Safety Instructions It is the installer s responsibility to carry out a full safety and function assessment of the appliance To reduce the risk of fire electric shock or injury read all the safety instructions and warning texts before using the unit e This unitis only designed for ventilation air in homes and commercial buildings e It must not be used to extract combustible or flammable gases e Remove the power plug before commencing any service and maintenance work e Before opening the door switch off the heat let the fans continue for 3 minutes to remove hot air unplug the unit and wait 2 minutes before opening the doors e If the power lead is damaged it must be replaced by the manufacturer the manufacturer s service agent or a similarly gualified person 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 Donot cook any combustible substances under the kitchen hood if one is installed e Do not l
8. wheel Check that the surfaces are clean Check that the sealing strips face in towards the rotary wheel type heat type heat exchanger Check that the rotor beltis intact and not too slack exchanger Kitchen hood Wash the grease filter Check that the damper is clean and closes fully 2 weeks Seals Check that the seals on the door under the filters on the fan modules and on the rotor module are intact 12 months Valves The supply air and extract air valves for the bathroom bedroom laundry room etc must be cleaned at least 12 months once a year Check that no leaves and other items have caught on the grille 12 months In periods of sea smoke during winter the air intake can freeze up If necessary it must be scraped clean so that the air can pass through Roof cowl If the unit has a roof cowl this must be checked for leaves and the like Also check that the drain slots are 12 months open Ducts Check that the ducts are clean 10 years Brush strips Check that the brush strips are intact and sit tightly against the rotor If they are worn they can be moved to 3 years the next groove in the profile so that they are closer to the rotor Inside unit A combination of a very low outside temperature and damp extract air can lead to the formation of ice Normally this will not be a problem when normal operating conditions return the ice crystals will be converted to steam and removed from the unit via the exhaust air In th
9. dialog from the message or via the menu tree NB If thermostat FIO trips the unit will have to be opened up and physically reset before resetting on the panel If the alarm is tripped repeatedly contact the service company or distributor See chapter 1 4 for more information ALARM RESET ALARM OK 7 11 Operating information This general screen displays current temperature values whether the daily weekly timer is active and activity as 0 100 for cooling heat exchanger and additional heating OPERATING INFORMATION k 28 SET TEMPERATURE DAY WEEK SETTINGS SUPPLY AIR EXTRACT AIR OUTDOOR AIR RETURN WATER HEAT RECOVERY SYSTEM COOLING HEATING FLEXIT 8 Cl600 advanced user menu A For more information on the Advanced User menu see Cl1600 Reference Manual on Flexit s website 8 1 PIN To access the menu item you need to enter the PINTO 00 PIN CODE 8 2 Advanced user This menu contains functions for monitoring configuration and troubleshooting Information to do with adjustment can be found in the installation instructions Complete documentation of all menus including configuration for accessories and extras etc is described in the Cl600 reference manual which is available at www flexit no ADVANCED USER TEMPERATURE REGULATION FAN REGULATION CONFIGURATION OPERATING TIME FACTORY SETTINGS SERVICE 8 3 Fancontrol The fans are selected and configured in this menu screen
10. e case of extreme cold over extended periods the unit should be checked for ice Air intake Capacitor In the electrical compartment there are two cylindrica electrical components called capacitors The life span 5 years of these components are limited to about 5 years after which they will need to be replaced An exhausted capacitor may damage the fan motor The capacitors must be replaced by a preressional New capacitors can be ordered from Flexittart no 10354 For units with extract air from the kitchen hood connected to the unit 11 Troubleshooting Type of fault Remedial action Cold draughts Check what supply temperature has been selected See control panel Check that the rotor is rotating NTT Check that heating comes on New extract filter needed Fans not working Check that power is connected to the unit Check that the overheating thermostat has not cut out DO Reset by pressing the button Must also be reset on the automatic panel See chapters 1 4 4 7 and 7 10 Check what speed the unit is set to o Check that the filters are tight o Check the intake grille 22 FLEXIT 12 CE Declaration of Conformity This declaration confirms that the products meet the requirements in the following Council Directives and standards 2004 108 EC Electromagnetic Compatibility EMC 2006 95 EC Low voltage Directive LVD 2006 42 EC Machine Directive Safety Producer FLEXIT AS Televeien 15 1870 rje N
11. eave a saucepan or frying pan containing oil or grease unsupervised when using a kitchen hood The instructions in the user manual must be followed for complaints to be accepted To maintain a good indoor climate comply with regulations and avoid condensation damage the unit must never be stopped apart from during service maintenance or in connection with an accident Symbols used These products have a number of symbols that are used to label the product itself and in the installation and user documentation Supply air Extract air Kitchen air A E DANGER ELECTRICITY DANGER DO NOT TOUCH Ekasta Euroa AN CAUTION When a text bears this symbol it means that personal injury or serious damage to the eguipment may result if the instructions are not followed Exhaust air f air N Noso 00009 According to IEC EN 60335 1 Note that the product is not designed for operation by persons with im paired physical motor or mental abilities Nor may the product be used by persons lacking experience or knowledge unless they have received guid ance or instructions in operating the product safely by a person responsible EXAMPLE OF NIPPLE LUCA HON for safety Children must be instructed not to play with the unit shown as a right hand model A NB When a text bears this symbol damage to equipment or poor efficiency may be the conse Extract air A air quence of not following the instructions Our products are subject to
12. ill then respond automatically when there is a need for additional heating NB This does not apply if the unit has a water battery X If the heating element is switched off this symbolis displayed when the display enters idle mode HEATING ELEMENT ON OFF HEATING ELEMENT 7 5 Timer Here you set the time you want for the MAX TIMER function This is used when the function is activated from the m in menu To adjust the time interval tor MAX TIMER see chapter 8 4 under Timer Te 7 6 Daily weekly timer Programming the timer begins with selecting the day DAY WEEK SETTINGS O MONDAY e TUESDAY O WEDNESDAY O THURSDAY O FRIDAY O SATURDAY O SUNDAY A new menu screen appears under each day TUESDAY 1 08 00 16 00 mn 16 2 16 00 18 00 NORMAL 18 318 00 19 00 max 16 4 19 00 24 00 NORMAL 18 Each day can be programmed with four different time intervals Adjust the start and stop times for each interval and then adjust the desired speed and temperature To activate the interval select a green tick The interval will then be active for the selected time and day of the week A red cross means that the interval is not activated If necessary then select another interval and repeat the procedure A The following rules apply to the programming e An interval can never be started before the previous one has ended e The stop time can never be before the start time Once you have finished
13. lter reduces the unit s effect and the air s purity Rotor F 0 25 When changing the filter check that the whole unit is working normally Use the following checklist e Check that the rotor is rotating Turn the rotor in the direction of rotation as shown on the rotor cassette see Fig 25 If necessary clean the rotor see chapter 9 4 Check that the fans are clean see chapter 9 2 OM FLEXIT 9 2 Cleaning the fans The fans must be cleaned at least once a year Clean the Fig 26 fan blades with a grease solvent on a cloth e g methylated spirits and compressed air if possible NB Do not use water To take out the top fan l Pull out the electric quick release contact for the tan see Fig 26 2 Press down the hook on the spring under the fan housing and pull the housing sideways see Fig 27 1 and 27 2 Then take the fan housing out of the unit Take care not to damage the seal when you pull the fan housing out To take out the bottom fan l Pull out the electric quick release contact for the tan see Fig 26 2 Undo the safety screw and pull the fan housing out of the unit see Fig 27 1 and 27 2 Take care not to damage the seal when you pull the tan housing out To put the fan back follow points l and 2 in reverse order FLEXIT Fig 27
14. lthe handles out and rotate to the side see Fig 4 3 The door can now be opened to hang open at 1809 see Fig 5 or unhooked see point 2 4 Fig 3 Fig 4 Fig 5 O O If the door needs to be removed The door can be removed when it is open between 409 and 105 If there is limited space in front of the unit the lock screw on the underside of the unit can be unscrewed temporarily see Fig 6 Then the door can be pushed out sideways see Fig 7 A The door is heavy so take care when removing it Fig 6 Fig 7 OM FLEXIT 2 Floor mounted unit Make sure that hinge stops and a door strap are fitted see Fig 8 9 and 10 2 Undo the screw in the top see Fig 11 3 Pullthe handles out and rotate to the side see Fig 4 4 The door can now be opened to a maximum of 105 se Fig 8 Fig amp Fig 10 FLEXIT oO O 2 3 Ceiling mounted unit N Check first that hinge stops are fitted see Fig 14 and 15 If not the door could fall off when opened Be careful Fig 17 A Note that a door strap also needs to be fitted if the unit is mounted on the ceiling This protects the hinge stops against damage and prevents the door from opening more than 105 see Fig 16 1 First undo the screw in the top of the door see Fig 17 2 Pullthe handles out and rotate to the
15. o cancel a function or return to the previous menu screen use button 2 Button 5 activates a help text that briefly describes the current menu screen 6 4 Startup When the system is started a special startup menu is opened START MENU e LANGUAGE O TIME AND DATE O MAIN MENU The basic language and date settings are set in this menu When this activity has been carried out you choose to go to the main menu 6 5 Operating status In normal operation without problems the green LED lights up to confirm that everything is working normally How any problems affect the system is described in subseguent sections OH OD FLEXIT 7 Cl600 main menu 71 Fanspeeds 7 2 Max timer The main menu contains various choices Most concern This menu item activates a function that increases the speed fan speeds The speed selected is indicated with large fan to MAX for a limited period before returning to the speed symbols and bold text selected previously The period of time can be adjusted under the SETTINGS menu item This function is ideal during MAIN MENU showering for example when there is a greater need for extraction for a limited period MIN NORMAL MAX MAX TIMER Go MAIN MENU MIN NORMAL amp H KA 9808 MAX TIMER SETTINGS To change the speed move the cursor with buttons 1 and 3 O SETTINGS MAIN MENU When the function Is active the time is counted down on the MIN display It
16. or Bl e Fauit extract air detector B3 F ult outdoor air detector B4 A flashing light indicates e Overheating thermostat fault applies only to electric hea ting e Fault in external fire smoke detector accessory e Heat recovery fault A e Additional heating fault applies only if the unit has a water battery 4 6 Resetting Once the filter has been changed or the cause of the alarm rectified the alarm must be reset This is done by pressing switch 12 If the indicator goes out the action has been carried out correctly If the indicator remains on the fault has not been rectified correctly NB If thermostat FIO trips the unit will have to be opened up and physically reset before resetting on the panel If the alarm is tripped repeatedly contact the service company or distributor See chapter 1 4 for more information e r EFLEXIT 5 Overview of CI600 control panel Fig 22 Description UP INCREASE switch Displav 7 Indication of OPERATION OK Green light Indication of FILTER CHANGE Yellow light Indication of ALARM Red light The numbers are used as references in subsequent descriptions 10 FLEXIT 6 Cl600inuse 6 1 General The control unit consists of a colour display pressure switches and indicators LEDs See figure on left for more information The unit communicates with the ventilation unit via a low voltage cable 6 2 Idle mode The panel will go into idle
17. orway Type UNI 2 R Ventilation unit Complies with the following standards Safety standard EN 60335 1 2002 EMF standard EN 50366 2003 EMC standard EN 55014 1 2000 EN 61000 3 2 2000 EN 61000 3 3 1995 EN 55014 2 2 1997 The product is CE marked 2011 FLEXITAS 23 08 2011 Frank Petersen CEO 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 shows that this product must not be treated as household waste It must be taken to a reception station for recycling of electrical and electronic eguipment By ensuring correct disposal of the eguipment you will contribute NNN 10 preventing negative consequences for the environment and health that incorrect handling may entail For further information on recycling of this product please contact your local authority your refuse collection company or the company from which you purchased it 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 23 Flexit AS Televeien 15 N 1870 rje www flexit com
18. programming a day repeat the procedure for the other days When the timer is active this symbolis displayed e When the display enters idle mode If there is no new time interval registered after the finished period the speed and temperature return to the setting that was previously active OM 7 7 Time and date The time and date can be adjusted in this dialog TIME AND DATE TIME DAY MONTHYEAR 13 45 04 07 09 ox 7 8 Language The language selected can be changed in this dialog LANGUAGE NORSK ENGLISH SVENSKA DEUTCH NEDERLANDS SUOMI DANSK 7 9 Filters A reminder appears regularly on the display In this dialog the time interval can be adjusted and the filter alarm reset FILTER O INTERVAL CHANGE OF FILTER O RESET FILTER ALARM INTERVAL CHANGE OF FILTER gt 6 MND FLEXIT The normal time is 6 12 months depending on the environment When the filter alarm is tripped the vellow indicator 8 lights up and an intormation text appears Follow the instructions in the text It is possible to go directly to this dialog from the message or via the menu tree After the alarm has been reset the countdown to the next filter change begins 7 10 Alarm If a problem occurs in the operation of the ventilation unit an alarm will be tripped The red indicator 9 lights up and an information text appears in the display Follow the instructions in the text It is possible to go directly to this
19. side see Fig 18 3 The door can now be opened to a maximum of 105 see Fig 19 O FLEXIT 3 Overview of CI60 control panel Switch for increased ventilation Es Potentiometer for adjusting extract air Switch for decreased ventilation at NORMAL speed Indication of NORMAL speed Switch for additional heating ON OFF Etico 11 Potentiometer for adjusting supply air KI Indicotion of ALARM temperature Nos 8 9 and 10 are used to adjust the unit before it is used for the first time FI Potentiometer for adjusting supplv air at Indication of MAX speed NORMAL speed EM The numbers are used as references in subsequent descriptions FLEXIT 4 CIGO in use 4 1 General The control unit consists of pressure switches LEDs for indication plus knobs and switches for adjusting the ventilation unit The control unit communicates with the ventilation unit via a low voltage cable 4 2 Increasing reducing the air supply Use switches 1 and 2 to increase and reduce the fan speed and with it the air flow rate The following speeds are used depending on the operating situation Must not be used when the home is in use Must not be used in the first two heating seasons NORMAL Used under normal conditions On this setting the air supply must be adjusted according to current regulations Used if there is a need for increased air Supply on account of higher occupancy or a raised humidit
20. temperature For extra safety the thermostat FIO cuts out at critical temperatures If the thermostat F10 is tripped it has to be reset manually by pressing the reset button see Fig 2 If the alarm is tripped repeatedly contact the service company or distributor See chapters 4 7 and 7 10 for more information 1 5 Temperature sensors B1 B4 The unit has two temperature sensors as standard The supply air sensor BI registers the temperature after the heating battery The outdoor air sensor B4 registers the temperature of the outdoor air FLEXIT Fig 1 Supplv air Outdoor air Exhaust air Extract air m BI FIO F20 AS Fig 2 FLEXIT 2 Operating the door 2 1 Wall mounted unit 1 First undo the screw in the top of the door see Fig 3 2 Pul
21. ve hot air unplug the unit and wait 2 minutes before opening the doors 9 1 Changing the filters The filters have a limited life and to preserve a healthy indoor air guality it is important to change them when they are dirty 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 at least 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 Drawer Filter Dirty filters can among other things lead to e Reduced performance of the unit e The unit becoming dirty e Humidity damage in the home e Reduced indoor air quality Seal A filter subscription is recommended to ensure full benefit from the system The order no for a new set of filters is 111738 Both filters should always be changed To take out the filters 1 Pull the filter drawer out as far as it will go see Fig 24 The drawer does not have to be removed completely 2 The filter is now loose and can be removed 3 Put anew filter in and push the drawer properly into place Check that the seal is intact before inserting the filter Then push the filter drawer properly into place to prevent air leakage A Make sure that the filter is not damaged during fitting Use the filter s outer edge to push it in A damaged fi
22. vou select TIMER OFF the function will be cancelled NORMAL and thesspeed will return to the previous selection MAX MAX TIMER amp Gy b ki 7 2 Settings Under the SETTINGS menu item you can adapt the system as you want GA GA SETTINGS b O SETTINGS TEMPERATURE TIMER DAV WEEK SETTINGS TIME AND DATE Then confirm your selection with button 4 and the speed se lected will be highlighted with large fan symbols and bold font A N LANGUAGE FILTER ALARM ADVANCED USER MAIN MENU 00000600 V V V V V O v v 7 4 Temperature This is where the desired temperature of the supply air is set O SETTIN TEMPERATURE Must not be used when the home is in use Must not be used in the first two heating seasons 1 8 C NORMAL Used under normal conditions On this setting the air supply must be adjusted according to current regulations Used if there is a need for increased air supply O HEATING ELEMENT ON OFF on account of higher occupancy or a raised humidity level for example during showering or when clothes are being dried This setting is normally used for limited periods FLEXIT A good rule is to adjust the temperature to max 18 so that the air is mixed optimally with the air already in the building If necessary the ventilation unit s heating can also be turned off In this case only the rotating heat exchanger is used as a source of heat It is best to leave it ON as the unit w
23. y level for example during showering or when clothes are being dried This setting is normally used for limited periods The different speeds are indicated by LEDs 3 4 and 5 4 3 Adjusting the temperature The temperature required for the supply air can be set with knob 11 The adjustment range is 10 30 C Use Gi the factory settings is recommended If necessary the ventilation unit s heating can also be Switched ON OFF with switch 10 In this case only the rotating heat exchanger is used as a source of heat It is best to leave it in ON position as the unit will then respond automatically when there is a need for additional heating Fig 21 a iw S 3 E o ON OFF ON OFF o RESET NO 10 ON OFF EO 4 4 Changing the filters LED 7 which is yellow lights up every six months as a reminder that it is time to change the air filters in the unit See section 9 1 for more information on changing filters Once the activity has been carried out the Cb Indicator must be reset See more under the section on resetting 4 5 Alarm If anything unforeseen occurs with the ventilation unit indicator 6 lights up The signal given bv the indicator depends on the reason for the indication A permanent light indicates e Fault return water detector B5 e Heat recovery fault B A permanent light with indicator 5 MIN speed flashing indicates e Fault supply air detect
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