Vents TwinFresh Expert RA1-50 User Manual
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Vents TwinFresh Expert RA1-50 User Manual

Single-room reversible energy recovery ventilator
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USER'S MANUAL
TwinFresh Expert RА1-50
TwinFresh Expert RM1-50
TwinFresh Expert Duo RA1-30
Single-room reversible energy recovery ventilator

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Summary of Contents for Vents TwinFresh Expert RA1-50

  • Page 1 USER’S MANUAL TwinFresh Expert RА1-50 TwinFresh Expert RM1-50 TwinFresh Expert Duo RA1-30 Single-room reversible energy recovery ventilator...

  • Page 2: Table Of Contents

    TwinFresh Expert (Duo) RA/M1 CONTENTS Safety requirements ..................................3 Purpose ........................................ 5 Delivery set ......................................5 Designation key ....................................5 Technical data ....................................6 Design and functioning ................................7 Mounting and set-up .................................. 9 Connection to power mains ..............................12 Technical maintenance ................................

  • Page 3: Safety Requirements

    SAFETY REQUIREMENTS • Please read the user’s manual carefully prior to installing and operating the unit. • All user’s manual requirements as well as the provisions of all the applicable local and national construction, electrical, and technical norms and standards must be observed when installing and operating the unit.
  • Page 4 TwinFresh Expert (Duo) RA/M1 • Do not touch the unit controls • Do not wash the unit with with wet hands. water. • Do not carry out the • Protect the electric parts of the installation and maintenance unit against ingress of water. operations with wet hands.

  • Page 5: Purpose

    PURPOSE The ventilator is designed to ensure continuous mechanical air exchange in flats, cottages, hotels, cafés and other domestic and public premises. The ventilator is equipped with a regenerator that enables supply of fresh filtered air heated by means of extract air heat energy recovery.

  • Page 6: Technical Data

    TwinFresh Expert (Duo) RA/M1 TECHNICAL DATA The unit is rated for indoor application with the following conditions: • Temperature ranging from -15 °C (5 °F) up to +40 °C (104 °F) and relative humidity to 50 % are for the TwinFresh Expert RA/M1 units.

  • Page 7: Design And Functioning

    DESIGN AND FUNCTIONING The ventilator consists of an indoor unit with a decorative front panel, a cartridge, an air duct and an outer ventilation hood. The cartridge is a basic functioning part of the ventilator. The cartridge consists of the fan, the regenerator and two filters that ensure rough air filtration and prevent ingress of dust and foreign objects into the regenerator and the fan.
  • Page 8 TwinFresh Expert (Duo) RA/M1 TwinFresh Expert RА1 LOUVER SHUTTERS OPERATION PRINCIPLE RA1 version is equipped with automatic shutters. During the ventilator operation the automatic shutters open and let the air flow freely through the ventilator. The automatic shutters are closed for 2 minutes at the ventilator shut down. WARNING! In case of supplying power to the ventilator when the frontal part of the indoor unit is removed, no power is supplied to the actuator and its rod is not lifted to avoid damage.

  • Page 9: Mounting And Set-Up

    MOUNTING AND SET-UP READ THE USER'S MANUAL BEFORE INSTALLING THE UNIT. DO NOT BLOCK THE AIR DUCT OF THE INSTALLED VENTILATOR WITH DUST ACCUMULATING MATERIALS, SUCH AS CURTAINS, CLOTH SHUTTERS, ETC. AS IT PREVENTS AIR CIRCULATION IN THE ROOM. 1. Prepare a round core hole in the outer wall. The hole size is shown in the figure below. While preparing core holes it is recommended to make preparations for layout of the power cable and other required cables.
  • Page 10 TwinFresh Expert (Duo) RA/M1 3. Stick the delivered cardboard master plate on the indoor wall using a mounting tape. The large opening in the master plate must be axially aligned with the air duct. For aligning the master plate with respect to the horizon line it is recommended to use a builder’s level. Then mark the fastening holes for installation of the supplied dowels and drill the holes to a required depth.
  • Page 11 7. Install the cartridge into the air duct as figured below. The pointer must be directed upwards. Then fix the wire with the protruding clamp and connect the socket connector to the circuit board. The pointer must be directed upwards. Insert the wires under the retaining clip and connect the connector to the circuit board.

  • Page 12: Connection To Power Mains

    TwinFresh Expert (Duo) RA/M1 CONNECTION TO POWER MAINS POWER OFF THE POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT. THE UNIT MUST BE CONNECTED TO POWER SUPPLY BY A QUALIFIED ELECTRICIAN. THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE MANUFACTURER’S LABEL.
  • Page 13 WIRING DIAGRAM FOR IN SERIES CONNECTION Master Slave 1 Slave N Power input +12V +12V +12V АС 100-240V 50/60 Hz to the next ventilator WIRING DIAGRAM FOR IN PARALLEL CONNECTION Master Slave 1 Slave N Power input +12V +12V +12V АС...
  • Page 14 TwinFresh Expert (Duo) RA/M1 POSITIONING OF THE DIP SWITCHES Turning the ventilator off is allowed. The switch position enables switching the ventilator off with the button on the side control panel. Turning the ventilator off is not allowed. The switch position disables switching the ventilator off with the button on the side control panel.
  • Page 15 VENTILATOR CONTROL WITH THE BUTTONS ON THE INDOOR UNIT The speed selection sequence is as follows: I-II-III-Standby. All the units integrated in a single network operate according to the speed settings of the Master unit. I: permanent indicator glowing indicates operation of the unit at Speed I. The indicator blinks when the first speed timer is activated.
  • Page 16 TwinFresh Expert (Duo) RA/M1 AIR FLOW BLOCKING FOR TwinFresh Expert RA/M1 Press the front panel to close the air duct. The fan turns off automatically. The unit functionality is not changed. To open the air duct, pull the front panel while holding the special recesses.

  • Page 17: Technical Maintenance

    TECHNICAL MAINTENANCE Maintenance of the ventilator means regular cleaning of the ventilator surfaces of dust and cleaning and/or replacement of the filters. Filter After the set filter replacement periodicity (90 days) has expired the indicator starts glowing. Before performing technical maintenance turn off the ventilator using the remote control or the buttons on the indoor unit. Then disconnect it from the power supply using the circuit breaker.
  • Page 18 TwinFresh Expert (Duo) RA/M1 3. Remove the cartridge from the air duct by pulling the cord. Clean the filters as they get clogged, but not less than once in three months. TwinFresh Expert RA/M1 TwinFresh Expert Duo RA1 4. Wash the filters and let them dry out completely. Install the dry filters back and reassemble the unit. Vacuum cleaning is allowed. The filter rated service life is 3 years.

  • Page 19: Troubleshooting

    TROUBLESHOOTING POSSIBLE REASONS AND TROUBLESHOOTING Problem Possible reasons Troubleshooting Make sure the power supply line is connected No power supply. correctly, otherwise troubleshoot the connection When switching on the error. ventilator, the fan does not Turn the ventilator off. Troubleshoot the motor jam start.

  • Page 20: Manufacturer's Warranty

    TwinFresh Expert (Duo) RA/M1 MANUFACTURER’S WARRANTY The product is in compliance with EU norms and standards on low voltage guidelines and electromagnetic compatibility. We hereby declare that the product complies with the provisions of Electromagnetic Compatibility (EMC) Directive 2014/30/EU of the European Parliament and of the Council, Low Voltage Directive (LVD) 2014/35/EU of the European Parliament and of the Council and CE-marking Council Directive 93/68/EEC.
  • Page 21 www.ventilation-system.com...
  • Page 22 TwinFresh Expert (Duo) RA/M1 www.ventilation-system.com...

  • Page 23: Certificate Of Acceptance

    CERTIFICATE OF ACCEPTANCE Unit Type Single-room reversible energy recovery ventilator Model TwinFresh Expert _____________ Serial Number Manufacture Date Quality Inspector’s Stamp SELLER INFORMATION Seller Address Phone Number E-mail Purchase Date This is to certify acceptance of the complete unit delivery with the user’s manual. The warranty terms are acknowledged and accepted.
  • Page 24 V139EN-05...

This manual is also suitable for:

Twinfresh expert rm1-50Twinfresh expert duo ra1-30

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