USER`S MANUAL
Contents
1. y UO 61 11 BUDEN e 170 LIN 1 2 19205 Ja O1 U0D ay UO 6 1 11 aims ROBO 1 41 5 sjndul 104 G7Z LZ pue sind3no SIO0JD9UUO 199205 13 01JUO0 3Y 0 104 p3UBISIP pue PUN YAM 942 3 85 HulJDDUUOD 991 UO S 1OJDDUUOD JANDOS 941 GL O LL SJOJDDUUOD 2 y sind3ino 94 GZ O LZ 502 9 197205 y Je S Ndu 99 95 2 20 ZE LE S10 2 UUOD 199205 HUN pue 01 UO 1 HAM YAA 01 Jsnw ZH OS AOEZ Ajddns 8 By 291 SPUN OS LY YS3IJUIM y 0 dn p uuo YAY 0 SHUN 05 1 Y YS21JUIM p dn 104 1 8 Bl A OEC NOSE MCL LL y 0S Ld N y OS LY YSoujuIM Y jauUeYD Hee ADEC J9 101JU0 1 YAN E VEMT S 219740020 OS LY N g 05 19 YS94JUIM 1 8 RISO 2 VENTS Disconnect the ventilator from power supply before any maintenance operation with the unit2. Installer stamp here Y MENTS Product type Serial number Production date Sale date Warranty period Selling Company Single room reversible ventilator TwinFresh R1 50 eee E Seller Stamp here
3. The unit consists of a plastic telescopic air duct a ventilation unit with a decorative front panel and an outer ventilation hood fig 2 The total telescopic air duct length is regulated due to position of the inner telescopic duct inside the outer telescopic duct Two filters and a ceramic heat exchanger are installed in the inner telescopic air duct The filter is designed for supply air cleaning and prevention of dust and foreign objects ingress inside the heat exchanger and the impeller The heat exchanger is used to warm up supply air flow by extract air heat energy and provide supply of warmed up and filtered air to the room The heat exchanger has a pull cord inside to facilitate the unit maintenance The ventilation unit with a decorative front panel are to be installed on inner side The outer ventilation hood 15 to be installed on the outer building side to prevent ingress of water and large foreign objects into the unit The unit is designed for installation into a specially designed through hole inside a wall The hole must be perpendicular to the wall plane The mounting guidelines for the single room reversible ventilator are shown in fig 3 4 Fill the gaps with a mounting foam OUTSIDE 160 10 Fig 3 Unit mounting Install the telescopic duct in the hole from outside and fill the gaps between the duct and the wall with a mounting foam For easy mounting keep the clearances between the duct and the wall within 5 10
4. Maintenance of the unit means regular cleaning of the unit surfaces of dust and cleaning or replacement of the unit filters Removing of the heat exchanger and the filters first take off the front panel unscrew the fasteners disconnect and remove the fan and the distance ring The heat exchanger is equipped with a special cord to facilitate its withdrawal together with the filters fig 9 er Remove dust with a soft brush cloth or compressed air Do not use water abrasive detergents solvents sharp objects The impeller blades must be cleaned once in year Clean the filters as often as these gets soiled but at least every 3 months To clean the filters flush those with water or use a vacuum cleaner After cleaning install the dry filters inside the air duct The filter rated service life is 3 years Contact the Seller for the new filters Cord Heat exchanger A ag 7 YA fo E Vi Filters Fig 9 Unit maintenance DM Faults and fault handling Problem Possible reasons Fault handling Make sure of correct power supply otherwise No power supply troubleshoot the connection error The unit does not start Turn the unit off Troubleshoot the motor jam The motor is jammed Restart the unit Low air flow The filters are soiled Clean the filters The fan impeller is clogged Clean the fan impeller Noise vibration The sc
5. designed to arrange permanent controllable air exchange in flats cottages hotels cafes and other domestic and public premises The unit is equipped with a ceramic heat exchanger that enables supply of fresh air due to extract air heat energy utilization The unit heat exchange efficiency reaches 91 The unit is designed for through the wall mounting The unit it suitable for installation in the walls from 250 mm up to 470 mm The unit is rated for continuous operation Transported medium must not contain any flammable or explosive mixtures evaporation of chemicals coarse dust soot and oil particles sticky substances fibrous materials pathogens or any other harmful substances The unit is designed operation at the ambient temperature ranging from 20 C 4 F up to 50 C 122 F unit 1 item Power cable 3 m Unitronic LIYY UL CSA 5xAWG 7 5x0 25 1 item User s manual 1 item Packing box 1 item Fasteners 1 item TwinFresh R1 50 Front panel type RV TwinFresh 1 150 Round connecting air duct Unit name TwinFresh single room reversible ventilator E WENTO 250 MM Fig 2 TwinFresh R 50 overall and connecting dimensions Table 1 Technical data 230V 50 Hz RY Y MENTS DESIGN AND OPERATING LOGIC Outer ventilation hood Outer air duct Inner air duct Filter Ceramic heat exchanger Filter Distance ring Ventilation unit Front panel Fig 2 Unit design
6. mm Fix the outer hood according to the wall holes with four 4x35 screws and the dowels 6x35 included into delivery set fig 4 Fix the ventilation unit to the wall with the screws 3x25 included into delivery set and the dowels 5x25 fig 4 Hole spacing for fastening Hole spacing for the of the ventilation unit outer hood fastening 150 mm 200 mm 4 holes 160 10 Fig 4 Hole spacing unit mounting TIO RY Y MENTS The KVR T control and the transformer unit special accessory is to be installed in a specially designed and prepared hole in a wall as shown in fig 5 in inaccessible for children places While installation consider the length of the cable supplied with the unit A longer cable may be used on customer demand The recommended cable type and marking are stated in the Delivery Set section 5 Hole spacing for mounting of the control unit KVR T special accessory WARNING DO NOT INSTALL THE UNIT CLOSE TO CURTAINS HANGINGS AND OTHER OBJECTS THAT MAY BLOCK THE AIR DUCT AND CAUSE DUST ACCUMULATION ON THE UNITS Y MENTS The unit is controlled with the external control and power unit KVR T special accessory fig 6 The control and power KVR T unit is used for operation mode selection and control The unit is rated for connection to single phase 230 V 50 Hz Separate power supply must be provided both to the control and power unit and to the ventila
7. USER S MANUAL TwinFresh R1 50 SINGLE ROOM REVERSIBLE VENTILATOR a E Safety requirements Introduction Use Delivery set Designation key Technical data Design and operating logic Mounting and set up Connection to power mains and control Maintenance Troubleshooting and fault handling Transportation and storage rules Manufacturer s warranty Acceptance certificate Seller information Connection certificate Warranty card OY UW 13 13 13 14 15 15 15 16 O VENTS e Read carefully the user s manual prior to starting mounting and operation e While mounting and operating the unit consider the requirements of the present user s manual as well as requirements of all applicable local and national building and electrical codes and standards e e Read carefully the warnings contained in the manual make yourself aware of the safety rules Non compliance with the rules and precautions stated in the user s manual may result in a personal injury or the unit damage e Read the manual carefully and keep it as long as you use the product o In case of transferring operation of the unit to another person provide the user manual Symbol legend used in the manual A DO NOT MOUNTING SAFETY PRECAUTIONS Disconnect the unit from power supply before Use the unit for the purpose intended only mounting and repair operations Do not operate the unit bey
8. a unit assembly ae The warranty servicing does not include e periodic unit maintenance e mounting dismantling unit setup In case of warranty claim please submit the user manual with the sale date mark and an invoice to confirm the unit purchase The unit model shall comply with that one specified in the user manual For waranty service please contact your Seller Manufacturer s warranty shall not apply in the following cases e failure to submit the unit in complete set according to the package content stated in the user manual including dismantling of the unit components e noncompliance of the unit model or marking to the data stated in the unit packaging in the user manual non timely technical maintenance of the unit visible damages of the unit casing and internal assemblies external unit modifications required for the unit mounting are not considered as damages altering the unit design or reworking of the unit e replacing and using parts units and components of the unit not prescribed by the manufacturing company e misuse of the unit e violation of the unit mounting rules by the user e violation of the unit operation rules by the user e connecting the unit to power mains other than stated in the user manual e unit failure resulted from step voltage in power mains e unauthorised repair of the unit e repair of the unit by third persons unauthorised by the manufacturing company e warr
9. anty period expiry e violation of the unit transportation rules e violation of the unit storage rules e unlawful actions by third persons with respect to the unit e unit failure resulted from force majeure fire flood earthquake war hostilities of any kind blockade absent seals provided such seals are prescribed by the user manual e failure to submit the user manual with the sale date marking e failure to submit the invoice to confirm the unit purchase FOLLOW THE USER S MANUAL REQUIREMENTS TO ENSURE NON STOP AND TROUBLE FREE OPERATION OF THE UNIT WARRANTY CLAIMS FROM THE USER ARE ACCEPTED IN CASE OF SUBMITTING THE UNIT THE RELATED INVOICE AND THE USER S MANUAL WITHTHE SALE DATE MARKING RA O VENTS Product type Single room reversible ventilator Serial number is recognized as serviceable Stamp of the acceptance inspector Shop name Address Sale date The unit was received in complete set with the user s manual the warranty conditions are clear and understood Customer signature This is to certify that the air handling unit TwinFresh R1 50 has been connected to power mains pursuant to the requirements stated in this user s operation manual _ O _ The unit mounting meets all applicable local and national construction electric and technical norms and standards have no claims to the unit operation
10. efault fig 6 aSeD Yd Z L SIOJD3UUO 199205 BY O pue HUN HAM 991 0 P3PIAOIA 15 ZH OS ADEZ A ddns GZ 0 SI UOIDAS 55012 JOPNPUO LUNWIUIW AY 5 2 SIM DU 2 s UOIJDDUUOD 21 94 UOIHSOA U SI 991 UO 941 Ajddns Ul JO UOI SOd JNO UI SI UO dW 943 2213x y Ss AUULYD 3 89 OM YAM BY 0 p3I23UUO SI yun SY 2 _ YA 0 05 14 YS24JUIM 104 010 4 DIS N J0 DB9UUOD 19305 2 10J39UU05 199305 91082 2 1 2 2 19205 9 01 102 y S L 993 UO S L BUDEN y UO 7 17 BUDEN ai oc os UN LL y u 1p a E n E a 8 LL L LA A ON LA O DADO Lele 1 2 19205 PE
11. ond the specified temperature range Do not operate the unit in an aggressive and explosive medium Do not use damaged electric equipment and conductors for electric connections Follow all applicable electrical safety rules while operating and mounting the unit Unpack the unit carefully Unauthorized power cable length modification is not allowed Do not bend and do not damage the power cable Keep heating and other devices away from the unit power cable Do not touch the speed controller or the control panel with wet hands No maintenance is allowed with wet hands Do not block the air duct when the unit is on Do not let children operate the unit Keep explosive and inflammable products away of the unit In case of unusual sounds smoke disconnect the unit from power supply and contact the service centre Do not rinse the unit under water Protect the unit electric parts from water ingress Disconnect the unit from power supply before maintenance Do not damage the power cable while operating the unit Do not put any objects on the power cable Do not open the operating unit Do not let air flow from the unit be directed to the open flame devices or candles TEO RY O MENTS This user s manual includes technical description operation installation and mounting guidelines technical data for the single room reversible ventilator TwinFresh R1 50 hereinafter referred as the unit The unit is
12. rew tightening is loose Check and tighten the screws Store the unit in the manufacturer s original packing box in a dry ventilated premise at the temperatures from 10 C up to 40 Storage environment must not contain aggressive vapours and chemical mixtures provoking corrosion insulation and sealing deformation Use hoist machinery for handling and storage operations to prevent the unit damage in consequence of falling or excessive oscillation Fulfil the handling requirements applicable for the applicable freight type Transportation with any vehicle type is allowed provided that the unit is protected against mechanical and weather damage Avoid any mechanical shocks and strokes during handling operations Y VENTZ The manufacturer sets forth the warranty period of the unit 24 months following the sale date via retail network subject to the customer s ensuring compliance with the rules of transportation storage mounting and operation of the product In case of any unit malfunctions caused by a manufacturing defect within the warranty period the customer has a right for elimination of unit defects by means of warranty servicing performed free of charge The warranty servicing implies performance of activities related to elimination of defects in the unit aimed to provide intended use of the unit by the customer within the warranty period The defects are eliminated either by replacing or repairing some unit components or
13. tion unit Turning ON 2 speed mode Extract Supply mode Turning OFF 1 speed mode Reversible operation mode Fig 6 KVR T control and power unit Table 2 KVR T data Transformer data Voltage V Note Input Output Control and power unit name Power W Connection up to 4 units KVR T 12 12 230V 50 Hz 12 The control unit is a three key switch with an integrated printed circuit board for installation into a standard junction box All electric connection to the control unit and the ventilator are performed with the socket connectors for mounting and servicing facilitation Each mating part of the socket connector has a colour marking in compliance with marking on the circuit board to ensure correct and quick electric installation The control unit is used to set one of four operation modes of the unit fig 6 1 Ventilation mode air extract air supply at first speed with air flow 25 m h 2 Ventilation mode air extract air supply at second speed with air flow 50 m h 3 Reverse heat recovery operation at first speed with air flow 25 m h The ventilator changes operation mode air extract air supply every 70 seconds 4 Reverse heat recovery operation at second speed with air flow 50 m h The ventilator changes operation mode air extract air supply every 70 seconds air flow direction depends on position of the jumper JMP1 on the circuit board The jumper is set to provide supply mode by d
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