Vaillant aroTHERM VWL 55/2 A Operating Instructions Manual

Contents

Safety 10020172515_05 aroTHERM Operating instructions 5ures or extremely low temperat-ures.▶ Do not touch any uninsulatedpipelines in any part of theheating installation.▶ Do not remove any casingsections.1.3.6 Risk of being scalded byhot drinking waterThere is a risk of scalding atthe hot water draw-off pointsif the hot water temperaturesare greater than 50 °C. Youngchildren and elderly persons areparticularly at risk, even at lowertemperatures.▶ Select the temperature sothat nobody is at risk.1.3.7 Risk of death due to lackof safety devicesA lack of safety devices (e.g.expansion relief valve, expan-sion vessel) can lead to poten-tially fatal scalding and otherinjuries, e.g. due to explosions.▶ Have your competent personcheck that all required isolatordevices are present in yourheating installation.1.3.8 Preventing the risk ofinjury from freezingas a result of touchingcoolantThe product is delivered withan operational filling of R410Acoolant. This is a chlorine-freecoolant which does not affectthe Earth's ozone layer. R410Ais neither a fire hazard nor anexplosion risk. Escaping coolantmay cause freezing if the exitpoint is touched.▶ If coolant escapes, do nottouch any components of theproduct.▶ Do not inhale any steam orgases that escape from thecoolant circuit as a result ofleaks.▶ Avoid skin or eye contact withthe coolant.▶ In the event of skin or eyecontact with the coolant, seekmedical advice.1.3.9 Risk of death dueto changes to theproduct or the productenvironment▶ Never remove, bridge orblock the safety devices.▶ Do not tamper with any of thesafety devices.▶ Do not damage or removeany seals on components.▶ Do not make any changes: