Carrier 42N_S Installation And Operation Manual

Also see for 42N E Series: Installation and operation manual Installation and operation manual

Carrier 42N_S Installation And Operation Manual Manual pdf 19 page image

17English42N_S 42N_EGeneral informationThe manufacturer declines any liability fror damage resulting fromtmodifications or errors in the electrical or hydraulic connections.Failure to observe the installation instructions, or use of the unit underconditions other than those indicated in the table “Operating limits” of theunit installation manual, will immediately invalidate the unit warranty.After installation thoroughly test system operation and explain all systemtfunctions to the owner.All of the manufacturing and packaging materials used for your newtappliance are compatible with the environment and can be recycled.Dispose of the packaging material in accordance with localtrequiremements.If the product is supplied without a Carrier control device, verificationtof EMC conformity is the responsibility of the installer.Unit operationIn order to avoid electric shock, fire or injury, stop the unit and disconnecttthe safety switch in case of abnormal events (such as smell of burning)and call Carrier Service for further instructions.Do not place containers filled with liquids or other objects onto the unit.tMaintenanceWARNING: Disconnect the mains power supply prior to anymaintenance operations or prior to handling any internal parts of theunit.A routine maintenance should be carried out on the unit to check thetcorrect operation of the electric connections and protection devices.Maintenance operations must be carried out by specially trainedtpersonnel.Do not attempt to repair, move, modify or re-install the unit on your own.tTo avoid electric shock or fire make sure these operations are carried outby qualified personnel only.Contact the qualified service if one of the following events takes place:t- hot or damaged power supply cable;- unusual noise during operation;- frequent operation of the protection devices;- unusual smell (such as smell of burning).Choosing the installation siteChoose an area free from obstructions which may cause irregular airtdistribution and/or return.Check that the wall surface is flat enough to allow easy and safetinstallation of the unit. The wall structure should be strong enough tocarry the unit weight and avoid deformation, rupture or vibration duringoperation.Consider using an area where installation is easy.tChoose a position that allows for the clearances required (see drawing).tLook for a position in the room which assures the best possible airtdistribution.Install unit in a position where condensate can easily be piped to antappropriate drain.The minimum distance of the unit from any combustible surface must nottbe lower than the values shown in fig. 18, 18A, 18b, 19.Positions to avoid:Exposed to direct sun.tToo close to heat sources.tOn humid walls or positions with water hazard, e.g. laundry premises.tExposure to oil vapours (e.g. kitchens, workshops).tWhere curtains or furniture may obstruct free air circulation.t… any obstruction of the unit air outlet or return. Leave 1 metreminimum of free space (See fig. 1)… exposure to oil vapours (See fig. 2)… installation in areas with high frequency waves (See fig. 3)… any rise in the condensate drain piping.… horizontal condensate drain piping with less than 2% slope(See fig. 4)... slack on electrical connections (See fig. 5)... disconnecting water connections after installation (See fig. 6)… exposure to direct sunshine, when unit is operating in cooling mode;always use shutters or shades (See fig. 7)… positions too close to heating sources which may damage the unit(See fig. 8)… connecting condensate piping to sewage system drain withoutappropriate trap (See fig. 9)… only partial insulation of the piping (See fig. 10)… installation not correctly levelled which will cause condensatedripping (See fig. 11)… flattening or kinking pipes or condensate pipes (See fig. 12)Warnings: avoid...InstallationReceipt of unitCheck that packaging is undamaged.tUnpack unit and check immediately for damage during transportation.tPackaging contains the base unit and, if supplied, the unit cabinet.tVerify that all components ordered are supplied.tUnit preparationTake out and position template printed on the packaging. It istadvisable to keep cabinet packed until installation is complete.To install the cabinet, position it onto the base unit and fix it to thetspecial tabs on the unit rear side and then secure it with the twoscrews supplied (See fig.14-15).If the unit is installed at 150 mm from the floor or lower, use the anglestsupplied with the base unit to prevent the user from touching themoving parts (See fig.14-15).If, instead, the unit is installed higher than 150 mm from the floor, usetthe rear closing grille kit (code 42N0954-42N0955-42N0956-42N0957)according to the unit size. For horizontal installation at more than 2.5meters from the floor, the angles supplied need not be used.For horizontal installation at more than 2.5 meters from the floor, thetangles supplied need not be used.InstallationBefore proceeding to unit installation, it is recommended to assembletthe accessories according to the instructions supplied with the kit.It is advisable to lock the cover on the opposite side to the control orton both sides if the control is not positioned on the unit.Knock out the prepunched part of the cover to insert the screw.tFurthermore it is possible to lock the control cover.t