Carrier Performance 15 48VR-A Owner's Information Manual

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Air Filters[]NIT OPERATION HAZARDFailure to follow this caution may result in propertydamage.Never operate your unit without filters in place. Anaccumulation of dust and lint on internal parts of your unitcan cause loss of efficiency and blower motor and/orcompressor damage.The air filter(s) should be checked every 3 or 4 weeks andchanged or cleaned whenever it becomes dirty. Dirty filtersproduce excessive stress on the blower motor and can cause themotor to overheat and shut down.This unit must have air filters in place before it can be operated.These filters can be located in one of at least two places. In manyapplications, the installer will provide return air filter grillesmounted on the wall or ceiling of the conditioned structure. In theinstance of filter grilles, the filters can simply be removed from thegrille and replaced.The other typical application is an accessory filter rack installedinside the unit itself. The following information is given to assist inchanging filters used in these internal filter racks.Table 1 indicates the correct indoor filter size for your unit. Referto Fig. 2 to access filters installed in the accessory filter rack. Ifusing an Accessory Filter Rack, refer to the Installation Instructionsprovided with it for correct filter sizes and quantities.Table 1 - Indoor Air Filter DataUnit Size Filter Size24040 20x20x1 (508x508x25 mm)24060, 30 20x24x1 (508x610x25 mm)66 - 42 24x60x1 (610x762x25 mm)48 - 60 24x66x1 (610x914x25 mm)