Carrier 42XPP050 Installation, Operation And Maintenance Manual

Contents

5 42XPPBefore a long shutdown periodClean filters and reposition them in the unit.Keep the unit in operation for half a day in ventilation(fan only) mode in order to dry all the internal parts.Switch the electric mains supply off.Take the batteries out of the controller.Clean indoor and outdoor units.maintenanceHIgH VOLTAgE !The unit must be disconnected from the main supplybefore maintenance or cleaning.(See fig. 22)o Standard air filters: they eliminate dust and lint.p Electrostatic filter: this effectively eliminates micro-scopic dust.q Active carbon filters: they are particular effective ineliminating odor (100).r Photocatalytic filter: this effectively eliminates ciga-rette smoke in the room air.Keep room temperature at comfort levels.Do not open doors and windows more frequently thannecessary.When cooling, avoid direct sun in the room: if possible,shut curtains or shades.Do not obstruct the air intake or outlet of the unit.Obstructions will cause a reduction of the air quantityand the conditioning effect, resulting in unit malfunction.Ensure that the air distribution in the room is uniform byproperly adjusting the air flow direction (See fig. 24).Useful infoguide for the ownerAir cleaning systemOptimum comfort and lowest consumptionThe unit can be used with infrared Remote Control, withthe Carrier “Room Controller” or “Zone Manager” remotecontrol.When installation and tests are completed explain theOperation and Maintenance Manual to the owner, withparticular attention to the main operating modes of theair conditioner, such as:• Turning the unit on and off.• Functions of the remote control.• Removal and cleaning of the air filters.Leave the two installation manuals for the indoor andoutdoor units with the owner for future use duringmaintenance operations or for any other needs.Cleaning unit coil:It is recommended to clean the coil at least at thebeginning of each cooling season or when necessary;turn the unit off first.• Use a vacuum cleaner or a long-bristle brush to avoiddamage to the coil fins (See fig. 21).• Watch the fin edges to avoid injury.• Damage to the fins may cause reduced coil efficiencyresulting in increased running costs. Use of flames,liquid or aerosol solvents must be avoided. Use ofthese substances will cause serious damage to thepanels and electric parts.Cleaning the Ioniser• Clean Ioniser with a brush every three months(See fig. 23)1) Unscrew a ioniser and open a cover2) Rub needle on base of ioniser with brush3) Tighten up a screwEnglish