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Summary of Contents for Siku RA1-50 COMFO V2
- Page 1 USER’S MANUAL SIKU RA1-50 COMFO V2 Single-room reversible energy regeneration ventilator...
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Page 2: Table Of Contents
The user’s manual consisting of the technical details, operating instructions and technical specification applies to the installation and mounting of the single-room energy regeneration reversible ventilator RA1-50 COMFO V2, (hereinafter «the unit» as mentioned in the «Safety Requirements» and «Manufacturer’s Warranty» sections as well as in warnings and information blocks). - Page 3 • Do not operate the unit outside the temperature range stated in the user’s • Do not use damaged equipment or cables manual. when connecting the unit to power mains. • Do not operate the unit in aggressive or explosive environments. •...
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Page 4: Purpose
SIKU RA1-50 COMFO V2 PURPOSE The unit is designed to ensure continuous mechanical air exchange in houses, offices, hotels, cafes, conference halls and other utility and public spaces. 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: Main Technical Parameters
Ingress Protection (IP) rating from solid objects and liquids IP 24. The ventilator design is regularly improved, so some models may slightly differ from those ones described in this manual. TECHNICAL DATA Model RA1-50 COMFO V2 Speed Supply Voltage, 50-60 Hz [V] 1~100-230 Power consumption [W] 4.50... -
Page 6: Design And Operating Logic
SIKU RA1-50 COMFO V2 DESIGN AND OPERATING LOGIC The ventilator consists of a telescopic air duct with adjustable length (inner part and outer part), a ventilation unit and an outer ventilation hood. The inner telescopic part contains two air filters and a ceramic regenerator. - Page 7 OPERATING LOGIC OF THE AUTOMATIC SHUTTERS Ventilator is off — the automatic shutters are closed Ventilator is on — the automatic shutters are opened VENTILATOR OPERATION MODES The ventilator has four ventilation modes: • Natural Air Supply. The automatic shutters are opened, the fan is idle. •...
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Page 8: Mounting And Set-Up
SIKU RA1-50 COMFO V2 MOUNTING AND SET-UP READ THE USER’S MANUAL PRIOR TO MOUNTING THE VENTILATOR. ATTENTION! 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. -
Page 9: Unit Connection
3. Remove the mounting plate to enable access to the control board and connection of the ventilator to power supply and connection of other ventilators as stated in Unit connection, page 10. To enable access to the control board in the mounting plate remove the four fixing screws. Then disconnect the mounting plate from its fame with care and push it aside to enable access to the control board. - Page 10 SIKU RA1-50 COMFO V2 CONNECTION TO POWER MAINS DISCONNECT THE UNIT FROM POWER SUPPLY PRIOR TO ANY ELECTRIC INSTALLATION OPERATIONS. 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 11 CONNECTION OF SEVERAL VENTILATORS IN SERIES Connection of the ventilators in series enables controlling all the connected ventilators by the first ventilator and the common remote control. For connection of several in series follow the diagram below. Connect the second ventilator with the third ventilator in the same way, etc.
- Page 12 SIKU RA1-50 COMFO V2 CONNECTION OF MORE THAN 10 VENTILATORS IN SERIES In case of connection above 10 ventilators the ventilator 11 is energized not though the previous ventilator but from power mains (L and N terminals). The control signals G and D from the 10th ventilator are transmitted through the cable 2xAWG23 (2 x 0.25 mm Connect the ventilators no.
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Page 13: Control
VENTILATOR CONTROL The ventilator is operated with a remote controller or the buttons on the ventilator casing, see the figure below. The operation buttons on the ventilator casing have limited functionality and include activating the second and third speed and setting three of four ventilation modes. - Page 14 SIKU RA1-50 COMFO V2 REMOTE CONTROL Set the speed switch to position and the operation mode switch to position to enable remote control of the ventilation unit. 1. Turning ventilator ON/OFF. ON/OFF 2. Night mode. ON/OFF If Night mode is activated, the ventilator switches to the first speed in the night, when the light is turned off. Activation of the night mode is confirmed by a long sound signal.
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Page 15: Maintenance
MAINTENANCE DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE ANY MAINTENANCE OPERATIONS! Maintenance of the ventilator means regular cleaning of the ventilator surfaces of dust and cleaning or replacement of the filters. VENTILATOR MAINTENANCE 1. Fan maintenance (once per year). Take off the ventilation unit and clean the fan blades. -
Page 16: Troubleshooting
SIKU RA1-50 COMFO V2 Even regular technical maintenance may not completely prevent dirt accumulation on the regenerator. Clean the regenerator regularly to ensure its • high heat recovery efficiency. Clean the regenerator with a vacuum cleaner • at least once in a year. -
Page 17: Storage And Transportation Regulations
STORAGE AND TRANSPORTATION REGULATIONS Store the unit in the manufacturer’s original packing box in a dry ventilated premise at ambient temperatures from +5 ˚C ( +41 ˚F) up to +40 ˚C (104 ˚F). Storage environment must not contain aggressive vapours and chemical mixtures provoking corrosion, insulation and sealing deformation. -
Page 18: Acceptance Certificate
Customer’s Signature Seller’s Stamp INSTALLATION CERTIFICATE The single-room reversible energy regeneration ventilator SIKU RA1-50 COMFO V2 _________ has been connected to power mains pursuant to the requirements stated in the present user’s manual. Company Name Address... - Page 20 SIKU VertriebsgmbH Tel.: +43 2262 61 521 Bundesstraße 5 Fax: +43 2262 61 52 2102 Bisamberg, Austria www.siku.cc Director: Thomas Kunst office@siku.cc F123EN-03...
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