nekos MR28-B Instruction Manual
Also see for MR28-B: Instruction manual
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31. Security rulesPLEASE NOTE: IMPORTANT SAFETY INSTRUCTIONS. CAREFULLY OBSERVEALL THE FOLLOWING INSTALLATION INSTRUCTIONS TO ENSURE PERSONAL SAFETY.IMPROPER INSTALLATION CAN SERIOUSLY ENDANGER SAFETY. KEEP THESEINSTRUCTIONS AFTER INSTALLATION.MANDATORY RISK ANALYSIS AND PROTECTION MEASURES.The Nekos electrical actuators comply with the Machinery Directive (2006/42/EC), StandardIEC 60335-2-103 (Particular requirements for drives for gates, doors and windows) andother directives and regulations indicated in the attached Declarations of Incorporation andCE Conformity (at the end of the manual). According to the Machinery Directive, actuatorsare “partly completed machinery” intended for incorporation into doors and windows. Themanufacturer/supplier of the window is required, with exclusive responsibility, to ensure thecompliance of the entire system with the applicable standards and to issue CE certification.We strongly discourage any use of the actuators other than that specified and therefore, inany case, the supplier of the complete system retains full liability.For systems installed at a height of less than 2.5 m above floor level or other levelsaccessible to users, the manufacturer/supplier of the window must conduct risk analysisregarding potential harm (violent blows, crushing, wounds) caused to people by normaluse or possible malfunction or accidental breakage of the automated windows, and toimplement suitable protective measures in view of these. Such measures include thoserecommended by the specified standard:- controlling the actuators via a “deadman’s button” placed near the system and withinthe operator’s field of view, to ensure that people are out of the way during operation.The button should be placed at a height of 1.5 m and operated by key if accessible tothe public; or:- use of contact safety systems (also included in the actuators) that ensure a maximumclosing force of 400/150/25 N, measured in accordance with paragraph BB.20.107.2 ofIEC 60335-2-103; or:- use of non-contact safety systems (lasers, light grids); or:- use of fixed safety barriers that prevent access to moving parts.Automated windows are deemed adequately protected if they:- are installed at a height of >2.5 m; or:- have a leading-edge opening of <200 mm and a closing speed of <15 mm/s; or:- are part of a smoke and heat evacuation system for emergency use only.In any case, moving parts of windows that could fall below 2.5 m following breakage of asystem component need to be fixed or secured in order to prevent them from suddenlyfalling or collapsing: e.g. the use of safety arms on bottom-hung windows.The device is not intended for use by persons (including children) with reducedphysical, sensory or mental capabilities, or lacking experience and knowledge. Donot allow children to play with the fixed controls and keep any remote-control unitsout of their reach. The actuator is destined exclusively for installation indoors. For any specialapplication we recommend you consult the manufacturer beforehand.After removing packaging, check for any damage on the appliance.MAINTENANCE and REPAIRSPeriodically check the installation by inspecting the cables, springs, rods andmechanical parts for wear or damage. Do not use if repair or adjustment is required.4Disconnect the power supply during cleaning or maintenance operations.Do not use solvents or jets of water to wash the appliance. The appliance shouldnot be submerged in water.In the event of breakage or malfunction, switch the appliance off at the generalswitch and call for the services of a qualified technician.Repairs should only be performed by qualified personnel at assistance centresauthorised by the manufacturer.Always request exclusive use of original spare parts. Failure to respect thiscondition could compromise safety and invalidate the benefits contained in thewarranty for the appliance.In the event of any problems or queries, consult your agent or contact themanufacturer directly.2. Construction and standardsINTENDED USE The MR28-B tubular gear motor is destined exclusively formoving curtains and small blinds; any other use is strongly discouraged, withthe supplier of the entire system in any case retaining sole liability. The actuator is manufactured in accordance with the EC Directives andRegulations listed in the attached Declaration of Incorporation and Conformity .Electrical connections must conform to regulations in force for the design andset up of electrical equipment.To ensure efficient separation from the grid, an approved type of bipolar “dead-man” switch should be used. An omnipolar general power switch with minimumdistance of 3 mm between contacts should be installed upstream of the control line.3. Technical dataModel MR28-B / 24VVoltage supply 24VTraction force 0,70 NmTheoretical capacity load on tube Ø28 5,5 KgLimit switches maximum programmingheight20 mPower input 0,340 APower absorbance on charge 8,8 WFeeding cable 2x0,50 mm2 – 3mNo turns in up phase (at nominal charge) 24 rpmNo turns in down phase 32 rpmDouble electrical insulation Low tensionService S2 of 2 minWorking temperature - 5 + 65 ºCElectrical device protection rating IP44End stroke Programmable electronic revolution indicatorConnection of two or more devices in parallel YesDimensions Ø24,5 x 210 mmNumber of pieces per package 6 piecesDevice weight 0,282 KgAny data reported in this table is not binding and may be susceptible to variations without notice. |
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