Related Manuals for Vents TwinFresh Comfo RA1-25
Summary of Contents for Vents TwinFresh Comfo RA1-25
- Page 1 USER’S MANUAL TwinFresh Comfo RA1-25 SA-35 RA-35 RA-50 RA-85 RA1-25-2 SA-35-2 RA-35-2 RA-50-2 RA-85-2 SA1-35 RA1-35 RA1-50 RA1-85 SA1-35-2 RA1-35-2 RA1-50-2 RA1-85-2 Single-room reversible energy recovery ventilator...
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Page 2: Table Of Contents
TwinFresh Comfo CONTENTS Safety requirements ............................2 Purpose ................................4 Delivery set ...............................4 Designation key .............................5 Technical data ..............................5 Unit design and operating principle ....................8 Mounting and set-up ..........................10 Connection to power mains ......................15 Ventilator control ............................17 Technical maintenance ..........................19 Troubleshooting ............................21 Storage and transportation regulations ..................21 Manufacturer’s warranty ........................22 Acceptance certificate ...........................23... - Page 3 • Do not operate the unit outside the • Do not use damaged equipment or cables temperature range stated in the user's manual. • Do not operate the unit in aggressive or when connecting the unit to power mains. explosive environments. •...
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Page 4: Purpose
TwinFresh Comfo PURPOSE The ventilator is designed to ensure continuous mechanical air exchange in flats, cottages, hotels, cafes and other domestic and public premises. The ventilator is equipped with a ceramic regenerator that enables supply of fresh filtered air heated by means of extract air heat energy regeneration. -
Page 5: Designation Key
Hazardous parts access and water ingress protection rating IP24. The unit design is constantly improved, so some models may slightly differ from the ones depicted herein. VENTILATOR TECHNICAL DATA TwinFresh Comfo RA1-25, TwinFresh Comfo RA1-25-2 Speed Unit voltage [V /50 (60) Hz]... - Page 6 TwinFresh Comfo VENTILATOR TECHNICAL DATA TwinFresh Comfo RA-50, TwinFresh Comfo RA1-50, TwinFresh Comfo RA-50-2, TwinFresh Comfo RA1-50-2 Speed Unit voltage [V/50 (60) Hz] 1~100-240 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...
- Page 7 The outer ventilation hood The outer ventilation hood is presented schematically is presented schematically Overall dimensions [mm] (inches) Model 300-570 TwinFresh Comfo RA1-25 ’’) ’’) ’’ - 22 ’’) ’’) ’’) 120-500 TwinFresh Comfo RA1-25-2 ’’)
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Page 8: Unit Design And Operating Principle
The ventilation unit is equipped with auto- clogging. matic shutters opening when the ventilator is on and closing when it is off, thus prevent- ing back air flow. TwinFresh Comfo RA1-25 TwinFresh Comfo RA1-25-2 TwinFresh Comfo RA-35 TwinFresh Comfo RA-35-2 TwinFresh Comfo RA1-35... - Page 9 AUTOMATIC SHUTTERS OPERATION Ventilator is off (the shutters are closed) Ventilator is on (the shutters are opened) VENTILATOR OPERATION MODES Ventilator operation modes: Natural air supply — the automatic shutters are opened, the fan does not run. Air Supply — the ventilator supplies fresh air to the premise. Ventilation —...
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Page 10: Mounting And Set-Up
MATERIALS, SUCH AS CURTAINS, CLOTH SHUTTERS, ETC. AS IT PREVENTS AIR CIRCULATION IN THE ROOM. TWINFRESH COMFO RA1-25 VENTILATOR MOUNTING 1. Prepare a through hole in the outer wall. The hole size and profile is shown 2. Insert the air duct in the wall. On the outer wall the telescopic air duct in the figure below. - Page 11 7. Drill four fastening holes and fix the back cover of the ventilation unit on the wall with fours 4x40 screws and 6x60 dowels from the delivery set. Prior to starting fixation of the back cover of the ventilation unit make arrangements for the power cable layout in accordance to the selected method, see the Connection to Power Mains section, page 20.
- Page 12 TwinFresh Comfo TWINFRESH COMFO RA-35, RA-50 AND RA-85 VENTILATOR MOUNTING 1. Prepare a through hole in the outer wall. The hole size and profile is 2. After preparing a through hole in the wall cut out a 25 mm (1’’) deep shown in the figure below.
- Page 13 4. Connect the mounting plate following the Wiring Diagram section, page 20. Drill four fastening holes and fix the mounting plate on the wall with four 4x40 screws and 6x60 dowels from the delivery set. Align the telescopic air duct with respect to the mounting plate and fill the gaps between the wall and the telescopic air duct with a mounting foam. The telescopic air duct must not protrude from the mounting plate surface.
- Page 14 TwinFresh Comfo TWINFRESH COMFO SA-35 VENTILATOR MOUNTING 1. Prepare a through hole in the outer wall. The hole size and profile is 2. After preparing a through hole in the wall cut out a 25 mm (1’’) deep shown in the figure below. recess for laying of the cables and the contact sockets connected to the mounting plate.
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Page 15: Connection To Power Mains
For this purpose the power cable with a plug is connected by the Manufacturer. Connect the ventilator to power mains through the external automatic circuit breaker with a magnetic trip integrated into the fixed wiring system. VENTILATOR WIRING DIAGRAM TWINFRESH COMFO RA1-25 TWINFRESH COMFO RA1-25-2 XS2 XS1... - Page 16 TwinFresh Comfo CONNECTION OF SEVERAL VENTILATORS IN SERIES TWINFRESH COMFO SA-35 TWINFRESH COMFO RA-35 TWINFRESH COMFO RA-50 TWINFRESH COMFO RA-85 TWINFRESH COMFO SA-35-2 TWINFRESH COMFO RA-35-2 TWINFRESH COMFO RA-50-2 TWINFRESH COMFO RA-85-2 TWINFRESH COMFO SA1-35 TWINFRESH COMFO RA1-35 TWINFRESH COMFO RA1-50 TWINFRESH COMFO RA1-85 TWINFRESH COMFO SA1-35-2 TWINFRESH COMFO RA1-35-2...
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Page 17: Ventilator Control
CONNECTION OF MORE THAN 10 VENTILATORS IN SERIES In case of connection of more than 10 ventilators the ventilator 11 is energized not through the previous ventilator but from power mains (L and N terminals). The control signals G and D from the 10th ventilator are transferred through the cable 2 x 0.5 mm Connect the ventilators no. - Page 18 TwinFresh Comfo REMOTE CONTROL Turning ventilator Night mode ON/OFF The ventilator switches to the first speed in the darkness. Speed selection Passive air supply Air supply The shutters are open, The unit operates in supply mode with the fan does not run. no reference to the CN7 jumper position.
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Page 19: Technical Maintenance
TECHNICAL MAINTENANCE DISCONNECT THE VENTILATOR FROM POWER SUPPLY PRIOR TO ANY MAINTENANCE OPERATIONS. Maintenance of the ventilator means regular cleaning of the ventilator surfaces of dust and cleaning or replacement of the filters. MAINTENANCE 1. Fan inspection (once per year). Take off the ventilation unit and clean the fan blades. - Page 20 TwinFresh Comfo Even regular technical maintenance may not completely prevent dirt accumulation on the regenerator assemblies. • Subject the regenerator to regular cleaning to ensure high heat recovery efficiency. • Vacuum clean the regenerator not less than once a year. To reset the hour meter install the filters and the regenerator into the ventilator and then press and hold the button for 10 sec.
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Page 21: Troubleshooting
TROUBLESHOOTING POSSIBLE REASONS AND TROUBLESHOOTING Problem Possible reasons Troubleshooting Make sure the power supply line is connected correctly, No power supply. otherwise troubleshoot the connection error. When switching on the ventilator the fan does not Turn the ventilator off. Troubleshoot the motor jam and start. -
Page 22: Manufacturer's Warranty
TwinFresh Comfo 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 23: Acceptance Certificate
ACCEPTANCE CERTIFICATE Unit Type Single-room reversible energy recovery ventilator Model TwinFresh Comfo _________ 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 24 V91EN-03...