USER`S MANUAL SINGLE-ROOM REVERSIBLE VENTILATOR
Contents
1. t2 L1 sesesesese AaS 1112131415 XT L3 l O J 0 S1 y LO JMP1 jumper to the control unit m m EERE ams bona E 83 o E Ts gt or 120V El N 230V Connecting cable socket connector JMP1 jumper N fo E E A2 controller circuit board yun xau ay 0 Connecting cable socket connector Y VENTS MAINTENANCE DISCONNECT THE VENTILATOR FROM POWER SUPPLY BEFORE ANY MAINTENANCE OPERATION WITH THE UNIT Maintenance of the unit means regular cleaning of the unit surfaces from dust and cleaning or replacement of the unit filters UNIT MAINTENANCE Remove the decorative front panel Remove the self drilling screw in the fan bottom Remove the fan cover Disconnect the signal and power cables and remove those from the recess Do not damage the cable while disconnecting it Pull the fan blo2. Extract supply mode 1 Ventilation mode air extract air supply at first speed with Second speed mode air capacity 25 m h 14 7 CFM 2 Ventilation mode air extract air supply at second speed with air capacity 50 m h 29 4 CFM 3 Reverse heat recovery operation at first speed with air capacity 25 m h 14 7 CFM The ventilator changes operation mode air extract air supply every 70 seconds 4 Reverse heat recovery operation at second speed with air capacity 50 m h 29 4 CFM 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 default fig 13 Unit on First speed mode Heat recovery mode GENERAL WIRING DIAGRAM TO KVR CONTROLLER v 54 U i nas LL v P os cu 9 ee ous a nae oO r 0 na E O Ber ES Q es gt ha ES fe sO gt foe gt 50 o 20 om en N o gO 2 rf v x e o 3 ae 33 sE 5 UY v G E o v z ox 8 8 ous cu n 2 8 ox SOY Ye eee n22 OE y 4G DES 1 o v a Y S e Z Y oes Se Pev 26 8 y oO LU l O T Z l O O 5 U T oO E o 1 I un To connect the ventilators to the KVR controller two channels are used In ventilation mode all the units operate either in extract mode in
3. Avoid any mechanical shocks and strokes during handling operations MANUFACTURER S WARRANTY Manufacturer hereby guarantees normal performance of the unit during two years from the date of retail sale provided compliance with transport storage mounting and operation regulations In case of no confirmation of sales date the warranty period is calculated from the production date In case of failures in the unit operation during the warranty period the manufacturer will accept claims and complaints from a customer only after receiving a technical protocol with a fault description The unit damage as a result of unauthorized modifications in the electric circuit diagram is not a warranty case For warranty and post warranty services contact the product manufacturer or the Seller In case of warranty claim please submit the present user s manual with a stamp of the trade company filled connection certificate and the warranty card Both warranty and post warranty services are carried out at the manufacturing facility In case of warranty claim please provide the filled guarantee card with the trade company stamp and the user manual IN CASE OF A WARRANTY CLAIM PLEASE PROVIDE A COMPLETED CONNECTION CERTIFICATE AND THE USER S MANUAL THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY OR DAMAGES RESULTING FROM THE UNIT MISUSE OR GROSS MECHANICAL INTERFERENCE FOLLOW THE USER S MANUAL REQUIREMENTS TO ENSURE NON STOP AND TROUBLE FREE OPERAT
4. of the ventilation unit on the wall Self drilling screws 3 N Screws Self drilling screws Fix the back part of the outer hood to the telescopic duct Fix the back part of the outer hood to the wall with the self with M6 screws included into the delivery drilling screws 4x40 included into the delivery Fix the back part of the outer hood to the wall with the self drilling screws 4x40 included into the delivery 4 Mount the upper part of the outer hood CONTROL AND POWER UNIT 1 Prepare the recesses for mounting of the control and power unit Install a junction box into the recess While mounting the control and power unit consider the supplied cable length A longer cable may be used The recommended cable type is Unitronic LIYY UL CSA 5xAWG 7 5x0 25 R35 R1 3 8 Recess marking for mounting of the control and power unit 2 Uplift the buttons and the blind cover with a screwdriver and detach those from the control and power unit 3 Press the latches to remove the control and power unit frame 4 Install the control and power unit into the wall recess 5 Install the frame the buttons and the blind cover in the reverse order O VENTS CONNECTION AND CONTROL The unit is controlled either with the KVR T external control and power unit included in the deliv
5. ION OF THE UNIT ACCEPTANCE CERTIFICATE The single room reversible ventilator TwinFresh S __1 50 has been duly certified as serviceable We hereby declare that the product complies with the essential protection requirements of Electromagnetic Council Directive 2004 108 EC 89 336 EEC and Low Voltage Directive 2006 95 EC 73 23 EEC and CE marking Directive 93 68 EEC on the approximation of the laws of the Member States relating to electromagnetic compatibility This certificate is issued following test carried out on samples of the product referred to above Stamp of the acceptance inspector Date of production Sold by Name of the trade company stamp of the shop Date of sale CONNECTION CERTIFICATE The single room reversible ventilator TwinFresh S 1 50 has been connected to power mains pursuant to the guidelines of the user s operation manual by the electrician Company name Electrician s name Date Signature WARRANTY CARD
6. USER S MANUAL TwinFresh 1 50 TwinFresh SA1 50 TwinFresh 1 50 2 TwinFresh SA1 50 2 SINGLE ROOM REVERSIBLE VENTILATOR O VENTI E VWEINTZ CONTENT Safety requirements Introduction Use Delivery set Designation key Main technical parameters Design and operating logic Mounting and set up Unit connection and control Maintenance Troubleshooting and fault handling Storage and transportation rules Manufacturer s warranty Acceptance certificate Connection certificate Warranty card NAAN Us 00 16 18 18 18 19 19 19 SAFETY REQUIREMENTS Read carefully the user s manual prior to starting mounting and operation 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 Read carefully the warnings contained in the manual to 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 Read the manual carefully and keep it as long as you use the product Incase of transferring operation of the unit to another person provide the user manual A Symbol legend used in the manual DO NOT MOUNTING SAFETY PRECAUTIONS Donotoperatethe unit beyond the specified temperature range Do not operate the unit in an aggre
7. V 60 Hz amp VENTS UNIT DESIGNATION KEY TwinFresh SX1 50 X XXX XX Power main parameters other than 230 V 50 Hz Outer grille hood type _ metal outer hood for connection to air ducts 250 470 mm 9 13 16 18 1 2 long 2 tapered metal outer hood for connection to 120 300 mm 4 3 4 11 13 16 long air ducts Air capacity m h Control unit _ no control unit included A control unit included Rectangular connecting air duct Unit designation TwinFresh single room reversible ventilator MAIN TECHNICAL PARAMETERS The unit is designed for indoor application with the ambient temperature ranging from 20 C 4 F up to 50 C 122 F and relative humidity up to 80 The unit does not require grounding Ingress Protection IP rating from solid objects and liquids IP 24 The unit design is regularly improved so some models may slightly differ from those ones described in this manual UNIT OVERALL DIMENSIONS 72 250 470 56 2 13 16 9 13 16 18 1 2 2 3 16 TwinFresh S1 50 TwinFresh SA1 50 TwinFresh SA1 50 120 V 60 Hz 275 240 10 13 16 9 7 16 300 142 120 300 56 11 13 16 4 3 4 11 13 16 2 3 16 TwinFresh 1 50 2 240 TwinFresh SA1 50 2 9 7 16 TwinFresh SA1 50 2 120 V 60 Hz 310 12 3 16 amp VENTS UNIT TECHNICAL DATA pra
8. case of setting the JMP1 jumper on the unit circuit board to Flow out position or in supply mode in case of setting the jumper JMP1 on the unit circuit board to Flow in position For easy electric installations a five wire cable is used The wire colour marking is in compliance with the colour of the supplied wires The minimum conductor cross section is 0 25 mm 23 AWG Type and power of the step down transformerT1 is selected on the assumption that to provide operation of a single unit the alternating voltage 12 V is required and the single unit power consumption is 3 W Power supply 230V 50 Hz or 120V 60 Hz must be provided both to the control unit KVR T and to the ventilator socket connectors 31 32 VENTS GENERAL WIRING DIAGRAM FOR CONNECTION OF UP TO 4 UNITS TO THE CONTROLLER gt gt gt gt o o o o R58 q 38 1 l 1 l Zz zZ i N N mim mim s J 35 35 e e J a a MM ES I EN ol T ay es q D fx g 2 Drs 3 2 aa ah MOTE a a MORA N sh umag S 3 2 umoig S Y RA E
9. ck and remove it Clean the impeller blades Clean the fan from dust with a soft brush cloth or a vacuum cleaner Do not use water abrasive detergents solvents sharp objects The impeller blades must be cleaned once in year amp VENTS 2 Heat exchanger and filter maintenance 3 4 times per year Pull the heat exchanger to remove it from the air duct Be careful not to let it fall down Remove the filter after the heat exchanger Clean the filter as often as it gets soiled but at least 3 4 times a year Flush the filter Re install the dry filter into the telescopic duct Cleaning with a vacuum cleaner is allowed The filter rated service life is 3 years Contact the Seller for spare filters Some dust can get accumulated on the heat exchanger block even in case of regular filter maintenance To maintain the high heat recovery efficiency regular heat exchanger cleaning is required Clean the heat exchanger with a vacuum cleaner at least once per year The outer hood grill may get clogged with leaves and other objects that reduce the unit performance Check the outer hood twice a year and clean as required Loosen 5 screws remove the outer hood it Take off the upper part of the outer hood and clean the hood and the connected air duct Y VENTS TROUBLESHOOTING AND FAULT HANDLING Possible faults and troubleshooting Meier Make sure of correct power supply otherwise P PPIy troubleshoo
10. de Cd Od feminine AAA TI DESIGN AND OPERATING LOGIC The unit consists of the metal telescopic air duct with adjustable length regulated by position of the inner air duct 3 inside the outer air duct 2 the impeller 7 the ventilation grille 4 and the outer hood 1 The filter 8 and the ceramic heat exchanger 6 are located inside the inner duct of the telescope The filter is designed to purify supply air and prevent foreign object ingress to the heat exchanger and the impeller The heat exchanger provides utilization of extract air heat energy to supply air flow The ventilation unit and the heat exchanger are installed on the insulation material that is used as a sealer and a vibration absorber as well The ventilation grille 4 with the decorative front panel 5 must be installed on the inner side of the building The outer ventilation hood 1 in installed on the outer side of the building to prevent ingress of water and solid foreign objects i UNIT DESIGN 1 outer ventilation hood 2 outer telescopic air duct 3 inner telescopic air duct 4 ventilation grille 5 decorative front panel 6 ceramic heat exchanger 7 impeller 8 filter O VENTS MOUNTING AND SET UP INSTALLING AND MOUNTING MUST ONLY BE CARRIED OUT BY AUTHORISED PROFESSIONAL INSTALLERS PLEASE READ THE MANUAL CAREFULLY BEFORE BEGINNING THE INSTALLATION 1 Prepare a through square hole in the wall for the unit mou
11. ery set of the TwinFresh SA1 models with automation or with the KVR control panel and TRF 220 12 12 TRF 220 12 40 transformer special accessory CONTROL AND POWER UNIT OVERALL VIEW The control and power unit enables to control set operation modes and consists of the control unit and transformer unit The unit is rated for connection to single phase 230 V 50 Hz or 120 V 60 Hz depending on a transformer type Separate power supply must be provided both to the control and power unit and to the ventilator 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 and power unit are performed with the socket connectors for mounting and servicing facilitation Each mating part of the connector has a colour marking in compliance with marking on the circuit board to ensure correct and quick electric installation The control and power unit modification type is selected depending on the power mains voltage and power transformer in accordance with the selection table Control and power unit name r W Voltage V Note ower up to 4 units up to 4 units Control panel KVR transformer Connection Control panel KVR transformer Connection Control panel KVR transformer Connection Control panel KVR transformer Connection The control and power unit is used to set one of four operation modes of the unit
12. fe RAS E 2 a 7 E a 5 a a co A lt q T T fa gt gt gt gt o o o o m N m N NOS NOS 1 l 1 l Zz l zZ al Nje N mim mim E J ES ES lt 5 35 ER ES o o a a a f 2 UMIA n IMIA o 2 SDA ES tS K UI y Vo Da e ir Gal E a MORA m MOJA 3 amoral z UMOJg A Z al 2 LEDJA Rain S als ae als me lt a i 3 14M F cl Ely aa o Sha MA Sim MORA LE U N umoig ULA umoig j Aj m gt fo Brown 2 Yellow 3 14 Green 4 15 White 5 Grey iD Brown Yellow Green 15 White oa m ma T SO 9 q 2 gE o A A t HSS g rm MIAN x ejN m t mim m MIA c c o DU 2 2 aya gt gt OLO R58 l 1 This wiring diagram enables a series connection from 2 up to 4 units For this wiring type a control and power unit and 12 W transformer are required Separate power supply 230 V 50 Hz or 120 V 60 Hz must be provided both to the control unit and to each ventilator 31 32 socket connectors en fs Up to 12 ventilators may be connected to one control and power unit powered by 40 W transformer Electric connection sequence Connect the output terminals of the 12 V transformer to the socket connectors A1 35 36 of the controller A1 KVR T with a socke
13. nical data for the single room reversible ventilator TwinFresh S1 50 hereinafter referred as the unit USE The unit is 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 120 mm 4 3 4 up to 470 mm 18 1 2 depending on the unit configuration 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 NOT INTENDED TO BE USED BY CHILDREN PHYSICALLY OR MENTALLY DISABLED PERSONS PERSONS WITH SENSORY DISORDER PERSONS WITH NO APPROPRIATE QUALIFICATION ONLY QUALIFIED EXPERTS ARE ALLOWED TO OPERATE THE UNIT AFTER APPROPRIATE INSTRUCTION ABOUT ITS USE AND OPERATION TAKE CARE THAT THE CHILDREN HAVE NO ACCESS TO THE VENTILATOR DELIVERY SET Connecting cable 3 m Unitronic LIYY Control and Unit ULCSA power unit User s manual Packing box Fasteners 5xAWG 7 5x0 25 TwinFresh SA1 50 y Z vA Y A S 120 V 60 Hz TwinFresh SA1 50 2 S va A VA Pa y 120
14. nting For the hole dimension refer to the figure below While preparing the holes provide a recess for the cable routing HOLE SIZE 170 10 6 11 16 3 8 170 10 6 11 16 3 8 2 Remove the heat exchanger and the filter from the telescope inner duct 3 Install the telescope inside the wall and secure it with screws and dowels Fill the gaps between the wall and the telescopic air duct with a mounting foam Telescope fastening holes 4 Re install the filter and the heat exchanger inside the telescopic air duct Insert the ventilation unit on the rails and install the ventilation unit inside the air duct Lean the ventilation unit against the telescopic air duct to fix it with magnets Heat exchange OUTER HOOD MOUNTING TwinFresh S1 50 TwinFresh 1 50 2 TwinFresh SA1 50 TwinFresh SA1 50 2 TwinFresh SA1 50 120V 60Hz TwinFresh SA1 50 2 120V 60Hz 1 Mark the fastening holes for the outer ventilation hood and drill 40 mm holes for the dowels 6x40 246 4 9 11 16 6 1 4 6 1 4 4 holes 4 holes N ji 2 Insert the dowels 6x40 included into the delivery into the holes l fi l 1 l 1 l 1 l ae l 1 l 1 l 1 l T l 3 Disassemble the outer ventilation hood to enable access to the fastening holes Remove 5 screws and rake off the upper part of the ventilation Take off the upper part of the ventilation hood hood amp VENTS 4 Fix the back part
15. ssive and explosive medium Disconnect the unit from power supply before mounting and repair operations Keep heating and other devices away from the Do not use damaged electric equipment unit power cable and conductors for electric connections Follow all applicable electrical safety rules while operating and mounting the unit Unpack theunit afetully Unauthorized power cable length modification is not allowed Do not bend and do not damage the power cable Use the unit for the purpose intended only amp VENTS OPERATING SAFETY PRECAUTIONS 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 amp WENT S INTRODUCTION This user s manual includes technical description operation installation and mounting guidelines tech
16. t connector of the K2 cable that is included into the delivery set of the 40 W transformer unit Then connect the first ventilator A3 no 1 to the socket connectors A1 11 15 of the KVR controller with the connecting cable supplied with the first ventilator Connect the second ventilator A3 no 2 socket connectors A2 21 25 to the first one socket connectors A2 11 15 with the connecting cable supplied with the second ventilator Connect the other ventilators in the same way up to 12 items Power supply 230 V or 120 V must be provided to the socket connectors A2 31 32 of each ventilator The fan rotation direction is determined by JMP1 jumper position on the circuit board of A2 controller This jumper is used to set rotation direction of all the fans in the group Power to the transformer unit is supplied trough the pre wired power cable with a plug GENERAL WIRING DIAGRAM FOR CONNECTION OF UP TO 12 UNITS TO THE CONTROL UNIT OF KVR CONTROLLER NACL ollollollo o ofo ofo T1 transformer unit Connecting cable socket connector K2 cable K1 cable r A1 controller circuit board 4 Ol E PI P2 P3 000 te 114 12 13 14 15 XT3 P4 Socket connector of K2 connecting cable 8 SS KVR control unit mounting side view XT2
17. t the connection error Turn the unit off Troubleshoot the motor jam and Motor is jammed the impeller are clogged the impeller clogging Clean the blades Restart the unit The fan does not start up Automatic switch Overcurrent resulted from short circuit in the oe wie Lee i Turn the unit off Contact the service centre tripping electric circuit Low set fan speed Set higher speed Low air flow The filter the fan or the heat exchanger are dirty e thenien detec ande Heat The The impeller is soiled is soiled Clean the Clean the impeller ssid High noise vibration Loose screw connection of the unit casing or the Tighten the screws of the unit or the outer ventilation hood ventilation hood STORAGE AND TRANSPORTATION RULES Store the unit in the manufacturer s original packing box in a dry ventilated premise at the temperatures from 10 C 14 F up to 40 C 104 F and relative humidity less than 60 at the temperature 25 C 77 F 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 goods are protected against mechanical and weather damage
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