Vents RA-50 User Manual
Single-room reversible energy regeneration ventilator
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Summary of Contents for Vents RA-50
- Page 1 USER’S MANUAL TwinFresh Comfo: • RA-50 • RA1-50 • RA-50-2 • RA1-50-2 Single-room reversible energy regeneration ventilator...
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Page 2: Table Of Contents
www.ventilation-system.com CONTENTS Safety requirements Purpose Delivery set Designation key Technical data Unit design and operating logic Mounting and set-up Connection to power mains Ventilator control Technical maintenance Fault handling Storage and transportation regulations Manufacturer's warranty Acceptance certifi cate Seller information Installation certifi cate Warranty card... -
Page 3: Safety Requirements
This user’s manual consisting of the technical details, operating instructions and technical specifi cation covers the installation and mounting of the single-room energy regeneration reversible ventilator TwinFresh (hereinafter «the ventilator» or «the unit» as mentioned in the «Safety Requirements» and «Manufacturer’s Warranty» sections as well as in warnings and information blocks). SAFETY REQUIREMENTS •... - Page 4 www.ventilation-system.com UNIT MOUNTING AND OPERATION SAFETY PRECAUTIONS • Disconnect the unit from power mains • Do not allow children to operate the unit. prior to any technical maintenance. • When the unit generates unusual sounds, • Do not store any explosive or highly fl ammable odour or emits smoke disconnect it from substances in close proximity to the unit.
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Page 5: Purpose
The ventilator is designed for through-the-wall mounting. The telescopic ventilator design enables its installation in the walls with various thickness, see the table below: Wall thickness Ventilator model • RA-50 240 mm - 425 mm (9 ’’ - 16 ”) •... -
Page 6: Designation Key
Ingress Protection (IP) rating from solid objects and liquids IP 24. The ventilator design is regularly improved, so some models may slightly diff er from those ones described in this manual. VENTILATOR OVERALL DIMENSIONS [MM] (INCHES) TwinFresh Comfo RA-50 TwinFresh Comfo RA1-50 240-425 (5") -
Page 7: Unit Design And Operating Logic
VENTILATOR TECHNICAL DATA Speed Unit voltage [V /50-60 Hz] 1~100-230 Air capacity [m /h] (CFM) 14 (8) 28 (16) 54 (32) Power [W] 3,80 3,96 5,61 Current [A] 0,024 0,026 0,039 1450 Noise level, 1 m [dB(A)] (Sones) 22 (0,4) 29 (0,7) 32 (1,0) Noise level, 3 m [dB(A)] (Sones) - Page 8 www.ventilation-system.com AUTOMATIC SHUTTERS OPERATION Ventilator is off (the shutters are closed) Ventilator is on (the shutters are opened) VENTILATOR OPERATION MODES The ventilator has four ventilation modes: • Natural Air Supply - the automatic shutters are opened, the fan does not run. •...
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Page 9: Mounting And Set-Up
2. Install the telescopic air duct inside the wall, centre the air duct using the mounting plate and seal it with mounting foam. Inner side of Outer side of the wall the wall Ventilator model А [mm] (inches) TwinFresh Comfo RA-50 10 ( ’’) TwinFresh Comfo RA1-50 10 ( ’’) TwinFresh Comfo RA-50-2 10 ( ’’)-110(4... - Page 10 Distance ring OUTER HOOD MOUNTING 1. Mark the fastening holes for the outer ventilation hood and drill holes for the dowels. For convenience of marking use the back part of the ventilation hood. TwinFresh RA-50 TwinFresh RA-50-2 TwinFresh RA1-50 TwinFresh RA1-50-2...
- Page 11 3. Disassemble the outer ventilation hood to enable access to the fastening holes. Remove 5 screws and take off the front part of the ventilation hood. Take off the front part of the outer ventilation hood. 4. Fix the back part of the ventilation hood on the wall with the screws from the delivery set. 5.
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Page 12: Connection To Power Mains
www.ventilation-system.com CONNECTION TO POWER MAINS DISCONNECT THE VENTILATOR FROM POWER MAINS PRIOR TO ANY ELECTRIC INSTALLATION OPERATIONS. CONNECTION OF THE UNIT TO POWER MAINS IS ALLOWED BY A QUALIFIED ELECTRICIAN WITH A WORK PERMIT FOR THE ELECTRIC UNITS UP TO 1000 V AFTER CAREFUL READING OF THE PRESENT USER’S MANUAL. - Page 13 CONNECTION OF SEVERAL VENTILATORS IN SERIES When the ventilators are connected in series, all the connected ventilators are controlled with the fi rst ventilator and a remote control. To connect the ventilators in series refer to the wiring diagram below. Connect the second ventilator with the third ventilator in the same way, etc. Up to 10 ventilators may be connected in series.
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Page 14: Ventilator Control
www.ventilation-system.com VENTILATOR CONTROL The ventilator is operated with a remote control or the buttons on the ventilator casing, see the fi gure below. The operation buttons on the ventilator casing have limited functionality: Only the second and the third speed can be activated. Three of the four modes of ventilation may be set. - Page 15 REMOTE CONTROL Set the speed switch to position and the ventilation mode switch to position to enable remote control of the ventilation unit. 1. Turning the ventilator on / off . ON/OFF 2. Night mode. ON/OFF If the Night mode is activated, the ventilator switches to the fi rst speed in the darkness when the light is turned off . Activation of the Night mode is confi rmed by a long sound signal.
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Page 16: Technical Maintenance
www.ventilation-system.com TECHNICAL MAINTENANCE DISCONNECT THE VENTILATOR FROM POWER MAINS PRIOR TO ANY MAINTENANCE OPERATIONS WITH THE UNIT. Maintenance of the ventilator means regular cleaning of the ventilator surfaces of dust and cleaning or replacement of the fi lters. VENTILATOR MAINTENANCE 1. - Page 17 Some dust may accumulate on the regenerator block even in case of regular maintenance of the fi lters. • Clean the regenerator regularly to ensure its high heat recovery effi ciency. • Vacuum clean the regenerator not less than once a year. To reset the hour meter install the fi lters and the regenerator into the ventilator and then press and hold the button for 10 sec.
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Page 18: Fault Handling
www.ventilation-system.com FAULT HANDLING POSSIBLE FAULTS AND TROUBLESHOOTING Fault Possible reasons Fault handling 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 19: Manufacturer's Warranty
Production meets standard operating requirements in the USA and Canada. VENTS US warrants to the original purchaser of the TwinFresh Comfo RA-50 / RA1-50 / RA-50-2 / RA1-50-2 unit that it will be free from defects in materials or workmanship for a period of 60 months from the date of original purchase. -
Page 20: Acceptance Certificate
www.ventilation-system.com ACCEPTANCE CERTIFICATE Unit Type Single-room reversible energy regeneration ventilator Model TwinFresh Comfo _________________ Serial Number Manufacture Date Production meets standard operating requirements in the USA and Canada. Quality Inspector’s Stamp SELLER INFORMATION Seller Address Phone Number E-mail Purchase Date This is to certify acceptance of the complete ventilator delivery with the user’s manual. -
Page 21: Warranty Card
WARRANTY CARD Unit Type Single-room reversible energy regeneration ventilator Model TwinFresh Comfo _________ Serial Number Manufacture Date Purchase Date Warranty Period Seller Seller’s Stamp ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ ______________________________________________________________________________________________________... - Page 22 2015 (V91EN-01(USA_120)
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