Vents TwinFresh Expert RA1-50 User Manual
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 RA1-50 TwinFresh Expert Duo RA1-30 Single-room reversible energy recovery ventilator V139EN-01.indd 1 11.08.2016 11:51:10...
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Page 2: Table Of Contents
TwinFresh Expert CONTENTS Safety requirements ................2 Purpose ....................4 Delivery set ....................4 Designation key ..................4 Technical data ..................5 Unit design and operating logic ............6 Mounting and set-up ................9 Connection to power mains and control ..........12 Technical maintenance ...............17 Troubleshooting ...................19 Storage and transportation regulations ..........19 Manufacturer’s warranty ..............20 Acceptance certificate ................21 Seller information .................21... - Page 3 • Do not operate the unit outside the • Do not use damaged equipment or temperature range stated in the user's cables when connecting the unit to power manual. mains. • Do not operate the unit in aggressive or explosive environments. •...
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Page 4: Purpose
1 item DESIGNATION KEY TwinFresh Expert (Duo) R A 1 - 50 L - 2 Ventilation hood model TwinFresh Expert RA1-50 TwinFresh Expert Duo RA1-30 _ — EH white 160 _ - EHD-2 grey 160 2 — EH-2 grey 160... -
Page 5: Technical Data
TwinFresh Expert Duo RA1-30-L 280-700 (11”-27 ”) * minimum air duct length for TwinFresh Expert RA1-50 (L)- 2 The supplied ventilation hood model depends on the ventilator model. The overall dimensions of the outer ventilation hood are stated in the Front panel installation instruction. -
Page 6: Unit Design And Operating Logic
TwinFresh Expert UNIT DESIGN AND OPERATING LOGIC TwinFresh Expert RA1-50 The ventilator consists of an indoor unit with a decorative front panel, a cartridge, an air duct with a sound absorbing layer and an outer ventilation hood. The cartridge is a basic functional part of the ventilator. - Page 7 The cartridge is a solid block and cannot be dismantled. The TwinFresh Expert RA1-50 unit has a cartridge with filters that can be easily removed for maintenance purposes. The socket connector routed from the cartridge is connected to the control board in the back part of the indoor unit.
- Page 8 TwinFresh Expert FUNCTIONING OF TWINFRESH EXPERT RA1-50 SHUTTERS The indoor unit is equipped with automatic shutters. The shutters are closed The shutters are opened During the ventilator operation the automatic shutters are opened and let the air flow freely through the ventilator.
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Page 9: Mounting And Set-Up
MOUNTING AND SET-UP READ THE USER’S MANUAL PRIOR TO MOUNTING THE UNIT . DO NOT BLOCK THE AIR DUCT OF THE INSTALLED UNIT WITH DUST ACCUMULATING MATERIALS, SUCH AS CURTAINS, CLOTH SHUTTERS, ETC. AS IT PREVENTS AIR CIRCULATION IN THE ROOM. 1. - Page 10 TwinFresh Expert 4. Press the side latches to detach the front part of the indoor unit from its back part. The thermal actuator rod must be in lower position when installing the front panel of the TwinFresh Expert RW-50 unit. 5.
- Page 11 8. Install the front part of the indoor unit. TwinFresh Expert RA1-50 TwinFresh Expert Duo RA1-30 9. Install the sectional air flow separators from the outside. 9. Insert the sound absorbing layer into the air duct from the Install a required quantity of the air flow separators in the air duct outside.
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Page 12: Connection To Power Mains And Control
TwinFresh Expert CONNECTION TO POWER MAINS AND CONTROL DISCONNECT THE UNIT FROM POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT . INSTALLATION SHALL ONLY BE PERFORMED BY A PROFESSIONAL ELECTRICIAN QUALIFIED FOR UNASSISTED OPERATIONS WITH ELECTRICAL INSTALLATIONS UP TO 1000 V AFTER CAREFUL STUDY OF THE PRESENT USER’S MANUAL. - Page 13 WIRING DIAGRAM FOR IN SERIES CONNECTION Master Slave 1 Slave N Power input +12V +12V +12V 100-240 V/50-60 Hz to the next ventilator WIRING DIAGRAM FOR IN PARALLEL CONNECTION Master Slave 1 Slave N Power input +12V +12V +12V 100-240 V/50-60 Hz to the next ventilator VENTILATOR SET-UP Prior to operating set up the ventilator using the DIP-switch.
- Page 14 The switch position enables deactivation of the ventilator with the button on the control panel side. Turning the ventilator off is not allowed. The switch position disables deactivation of the ventilator with the button on the control panel side. TwinFresh Expert RA1-50 TwinFresh Expert Duo RA1-30 Operation algorithm when a humidity sensor is activated:...
- Page 15 Blinking of the indicators I, II and III indicates activation of the timer for Party mode or the turn-off delay timer triggered by any connected external sensors or the integrated humidity sensor. Regeneration mode TwinFresh Expert RA1-50 The fan rotation direction changes to opposite every 70 seconds. Heat recovery is performed in this mode. TwinFresh Expert Duo RA1-30 The rotation direction of both fans changes to opposite every 70 seconds.
- Page 16 TwinFresh Expert AIR FLOW BLOCKING FOR TWINFRESH EXPERT RA1-50 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. The fan starts operating according to the actual speed setting.
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Page 17: Technical Maintenance
1. Press the latches on the side of the indoor control unit to take off the front part. Then open the latches and remove the front part of the front panel. Remove the filters for cleaning. Reverse the above procedures to reassemble. TwinFresh Expert RA1-50 1. Press the latches on the side of the indoor control unit to take off the front part. - Page 18 TwinFresh Expert 3. Pull the cord to remove the cartridge from the air duct. TwinFresh Expert RA1-50 TwinFresh Expert Duo RA1-30 Clean the filters as they get clogged, but not less than once in three months. After the set filter replacement periodicity (90 days) has expired the Filter indicator starts glowing.
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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 start. -
Page 20: Manufacturer's Warranty
TwinFresh Expert MANUFACTURER’S WARRANTY The manufacturer hereby warrants normal operation of the unit for 24 months after the retail sale date provided the user’s observance of the transportation, storage, mounting and operation regulations. Should any malfunctions occur in the course of the unit operation through the Manufacturer’s fault during the guaranteed period of operation the user is entitled to elimination of faults by the manufacturer by means of warranty repair at the factory free of charge. -
Page 21: Acceptance Certificate
ACCEPTANCE CERTIFICATE Single-room reversible energy recovery ventilator Unit type TwinFresh Expert (Duo) RA _______________________ Model Serial Number Manufacture Date Is compliant with the technical specifications and is recognized 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. - Page 22 V139EN-01 V139EN-01.indd 22 11.08.2016 11:51:34...
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