Vaillant VWZ MEH 61 Installation Instructions And Instructions For Use

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1 SafetyThis manual is also available on our website.www.vaillant.com1.1 Intended useThis appliance can be used by childrenaged from 8 years and above andpersons with reduced physical, sensory ormental capabilities or lack of experienceand knowledge if they have been givensupervision or instruction concerning use ofthe appliance in a safe way and understandthe hazards involved. Children shall notplay with the appliance. Cleaning and usermaintenance shall not be made by childrenwithout supervision.1.2 Symbols usedThe warning notes are classified inaccordance with the severity of the possibledanger using the following warning signs andsignal words.Warningsymbol Explanationa Danger!Immediate danger to life or riskof severe personal injury.e Danger!Risk of death from electric shock.a Warning!Risk of minor personal injury.b Caution!Risk of material or environmentaldamage.1.3 QualificationsAny work carried out must be by suitablyqualified personnel.► Incorrect installation can cause damage tothe unit, to the site or injury to others.1.4 General safety advices1.4.1 Danger to life by electric shockTouching live connections can cause seriouspersonal injury.► Before carrying out any work on theproduct, switch off the power supply.► Secure the power supply against beingswitched on again.1.4.2 Danger to life due to missingor not properly working safetydevicesMissing safety devices can cause life-threatening scalding and other injuries, forexample by burst pipes.The information contained in this documentdo not show all schemes required for aprofessional installation of safety devices.► Install the necessary safety devices in thesystem.► Inform the user about the function andlocation of safety devices.► Observe the relevant national andinternational laws, standards andguidelines.1.4.3 Risk of material damage byadditives in the heating waterFrost and corrosion protection agents cancause changes to seals, noise during heatingmode and may lead to other consequentialdamage.► Do not use any unsuitable frost orcorrosion protection agents.1.4.4 Risk of material damage causedby unsuitable toolsThe use of unsuitable tools or improper usethereof may cause damage, such as gas orwater leaks.► When tightening or loosening threadedconnections, always use suitable openedspanners, but do not use pipe wrenches,extensions, etc.3ENSAFETY0020166663_03 VWZ MEH 61 Installation instructions and instructions for use