GEA CAIRplus - CS Klimateknik

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Safety and User InformationGEA CAIRplus2.4 Labelling of the safety informationThe following designations and symbols have been used in this manual to denotesafety information:ELECTRICAL HAZARD!This symbol indicates that there is a risk of electrical shock when carrying outthe relevant task(s).PERSONAL INJURY!Here you will find special information as well as requirements and restrictionsfor preventing personal injury.DANGER FROM ROTATING UNIT PARTS!Here you will find special information as well as rules and restrictions for theprevention of personal injury due to rotating parts of the unit.DANGER DUE TO OVERHEAD LOADS!Here you can find special information as well as rules and restrictions for theprevention of personal injury and damage to units due to falling parts.DANGER DUE TO HOT SURFACES!Here you can find special information as well as rules and restrictions for theprevention of personal injury due to hot surfaces.DANGER OF SCALDING!Here you can find special information as well as rules and restrictions for theprevention of personal injury due to scalding, e.g. by steam.DANGER DUE TO EXPLOSION RISK AREA!Here you can find special information as well as rules and restrictions for theprevention of personal injury and damage to units in explosion risk areas.DANGER DUE TO COMBUSTIBLE SUBSTANCES!Here you will find special information as well as requirements and regulationsfor the prevention of personal injury due to fire.DANGER FROM SHARP EDGES!Here you can find special information as well as rules and restrictions for theprevention of personal injury due to cutting by thin sheet metal.ENVIRONMENTAL DAMAGE!Here you will find special information, rules and restrictions for the preventionof damage to the environment including information on any national environmentalprotection regulations in force.DAMAGE TO THE UNIT!Here you will find special information, rules and restrictions regarding theprevention of damage to the unit.8 PR-2009-0096-GB • Subject to modifications • Status 07/2010
GEA CAIRplusSafety and User Information2.5 Safety-conscious workingObserve the following when carrying out installation, maintenance and repair work:When working on or around the mains power supplyELECTRICAL HAZARD!All power supply connections must be switched off and checked to see if theyare voltage-free and then secured against unintentional switching on.Earth and short-circuit them and cover over any neighbouring electricallyconducting parts or block them off. Failure to do so may lead to serious injuryor death.Working in explosion risk areasDANGER DUE TO EXPLOSION RISK AREA!The unit may only be operated under the conditions described on the type plate.An explosion risk area may be present inside and/or outside the unit when it isin operation and also when it has been shut down – it must therefore beassumed that an explosion risk area is present, even when the unit has beenshut down.When carrying out work in general:PERSONAL INJURY!A danger of injury exists when the units are in operation:– Danger of impacts – doors on the discharge side may be flung open– Danger of crushing due to underpressure at doors on suction side– Danger due to rotating parts such as fans etc.DAMAGE TO THE UNIT!If dampers are closed when the system is in operation, the units may bedamaged beyond repair by under- or overpressure, particularly if the dampersare closed abruptly.DANGER FROM SHARP EDGES!When working on the unit in general there is a danger of cuts being inflicted bythin sheet metal and fins. This applies in particular when carrying outmaintenance and cleaning work on the surfaces of heater and cooler coil fins.Work may only be carried out on the unit if– all poles of the power supply have been disconnected,– the unit is secured to prevent it being switched back on(also refer to “Electrical hazard”),– all moving parts – particularly the fan impeller, motor, rotary heat exchanger,control and shut-off dampers – have come to a standstill: wait at least5 minutes after switching off the unit,– the heat exchangers have cooled down to ambient temperature.Once work on the unit has been carried out, it must be ensured that– all protective devices are functioning effectively – for example, the protectiveenclosure for the fan (door protection grille, safety guard) must be locked– no persons are present in danger areas.PR-2009-0096-GB • Subject to modifications • Status 07/2010 9
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GEA CAIRplus - CS Klimateknik

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