Your VP-437xl Presentation Switcher / Scaler3.1 Recommendations for Best PerformanceTo achieve the best performance:• Connect only good quality connection cables, thus avoiding interference,deterioration in signal quality due to poor matching, and elevated noiselevels(often associated with low quality cables)• Do not secure the cables in tight bundles or roll the slack into tight coils• Avoid interference from neighboring electrical appliances and positionyour Kramer VP-437xl away from moisture, excessive sunlight and dust3.2 Recycling Kramer ProductsThe Waste Electrical and Electronic Equipment (WEEE) Directive2002/96/EC aims to reduce the amount of WEEE sent for disposal to landfillor incineration by requiring it to be collected and recycled. To comply withthe WEEE Directive, Kramer Electronics has made arrangements with theEuropean Advanced Recycling Network (EARN) and will cover any costs oftreatment, recycling and recovery of waste Kramer Electronics brandedequipment on arrival at the EARN facility. For details of Kramer’s recyclingarrangements in your particular country go to our recycling pages athttp://www.kramerelectronics.com/support/recycling/.4 Your VP-437xl Presentation Switcher / ScalerFigure 1, Table 1 and Table 2 define the VP-437xl Presentation Switcher /Scaler:4KRAMER: SIMPLE CREATIVE TECHNOLOGY
RESIDUAL RISKSGENERALThis section lists some of the more common situationswhich, being beyond the control of the manufacturer, couldbe a source of risk to persons or property.DANGER AREAThe figure below highlights the area in which onlyauthorised personnel may operate.External danger zone, identified by a precise areaaround the unit and its vertical projection on theground in the case of hanging unit.Internal danger zone, identified by the area that canbe entered only after having intentionally removed theprotecting panels or parts of these.DA = 2000mm B = 2000mmC = 2000mm D = 2000mmHANDLINGIf handling operations are undertaken without adopting allthe necessary safety procedures and exercising due care,the unit can fall or topple, causing damage — possiblyextremely serious — to persons and/or property, and tothe unit itself.Ensure the unit is handled and manoeuvred as directed onthe packing and in the present manual, and in accordancewith local regulations.In the event of refrigerant gas escaping, refer to the―Safety datasheet‖ for the particular refrigerant.INSTALLATIONIncorrect installation of the unit can result in water leaks,accumulation of condensate, escape of refrigerant, electricshocks, fire, as well as irregular operation or damage tothe unit itself.Make certain that the installation is carried out only by aqualified technician, also that the directions contained inthis manual are followed and local statutory regulationsobserved.In the event of the unit being installed in a site where thereis even the slightest risk of inflammable gas escapes andconsequently the possibility of such gases accumulating inarea around the unit, the risk of explosion and fire cannotbe discounted.Take every care and precaution when selecting theinstallation site.Installation on a structure not able to bear the weightand/or afford a secure anchorage of the equipment mayACBcause the unit to fall and/or topple, resulting in damage topersons or property, or to the unit itself. Make certain thatevery care and precaution is taken when positioning andsecuring the unit.If the unit is easily accessible to children, unauthorizedpersons or animals, this is a situation that can give riseaccidents and injuries, perhaps serious. Install the unit in aplace where access is allowed only to authorized persons,or install barriers or guards preventing unauthorized entry.GENERAL RISKSA smell of burning, smoke or other indications of seriousirregularity could signal the onset of situations liable tocause damage to persons or property or to the unit itself.Isolate the unit from the electrical power supply (red-andyellow)switch.Contact an authorized service centre so that the source ofthe problem can be identified and remedied.Accidental contact with heat exchange coils, compressors,pressure pipelines or other components can result inwounding or burns, or both.Always wear suitable clothing, including protective gloves,when working in the danger area.Maintenance or repairs carried out by unskilled operativescan result in harm or damage to persons and property, orto the unit itself. Always contact an authorized servicecentre.Failure to close the panels of the unit, or to check that allthe fixing screws of the panels are properly tightened, canresult in harm or damage to persons or property, or to theunit itself.Verify periodically that all panels are closed and madeproperly secure.In the event of fire, the temperature of the refrigerant canrise to the point that pressure will exceed safety levels andperhaps cause fluid to be projected. It may also happenthat parts of the circuit isolated by closed valves willexplode.Do not stand near safety valves, and never leave thevalves of the refrigerant circuit closed.ELECTRICAL SYSTEMIf the power line connecting the unit to the a.c. supply isincomplete, or if the connection is made with cables ofincorrect cross section and/or with insufficiently ratedprotective devices, this can result in electric shock, toxicityhazard, damage to the unit or fire.All work on the electrical system should be carried outreferring to the wiring diagram and to the directions givenin this manual, and the system itself must be dedicated.Failure to secure the cover enclosing electricalcomponents can lead to the infiltration of dust and water,ultimately causing electric shocks, damage to the unit, orfire.Always fasten the cover securely to the unit.If live metal parts of the unit are not connected properly tothe earth system, they can cause electric shock or evendeath by electrocution.M03Y40D9-01 09/04/10 page 7
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