42 GWGB - 4General InformationUnit installationRead this instruction manual thoroughly before startinginstallation.• This unit complies with the low-voltage (EEC/73/23) andelectromagnetic compatibility (EEC/ 89/336) directives.• The installation should be carried out by a qualified installer.• Follow all current national safety code requirements.In particular ensure that a properly sized and connected groundwire is in place.• Check that the voltage and frequency of the mains power supplyare as required for the unit to be installed; the available powersource must be adeguate to operate all other appliancesconnected to the same line.Also ensure that national safety code requirements have beenfollowed for the main supply circuit.• Where necessary, use field-supplied 25 mm I.D. PVC pipe ofappropriate length and with the correct thermal insulation for thecondensate drain extension.• After installation thoroughly test system operation and explain allsystem functions to the owner.• Use this unit only for factory approved applications: the unitcannot be used in laundry or steam pressing premises.WARNING:Disconnect the mains power supply switch before servicingthe system or handling any internal parts of the unit.• The manufacturer declines any liability for damage resultingfrom modifications or errors in the electrical or waterconnections.Failure to observe the installation instructions, or use of theunit under conditions other than those indicated in Table"Operating limits" of the unit installation manual, willimmediately invalidate the unit warranty.• Failure to observe electric safety codes may cause a fire hazard inthe event of short circuits.• Inspect equipment for damage during transport. In case ofdamage file an immediate claim with the shipping company.Do not install or use damaged units.• In case of malfunction turn the unit off, disconnect the mainspower supply and contact a qualified service engineer.• Maintenance must only be carried out by qualified personnel.• All of the manufacturing and packaging materials used forthis appliance are biodegradable and recyclable.• Dispose of the packaging material in accordance with localrequiremements.Choosing the installation sitePositions to avoid:• Exposure to direct sunlight.• Areas close to heat sources.• On damp walls or in positions that may be exposed to waterhazard.• Where curtains or furniture may obstruct free air circulation.Recommendations:• Choose an area free from obstructions which may cause unevenair distribution and/or return.• Consider using an area where installation is easy.• Choose a position that allows for the clearances required.• Look for a position in the room which ensures the best possible airdistribution.• Install unit in a position where condensate can easily be piped to anappropriate drain.