Carrier 52S manual Tools Needed, Monthly Cleaning, Cleaning the Indoor AIR Filter Ð Remove

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TOOLS NEEDED

The following list includes the recommended tools, de- vices, and cleaning solutions for use in cleaning the 52S unit components.

Vacuum Cleaner with Crevice Tool Attachment,

or Soft Plastic Bristle Brush

Mild Household Detergent

Phillips Head Screwdriver

5¤16-in. Nut Driver

Flat Head Screw Driver

Lifting Device (or another person for assistance)

Tank Sprayer (Part No. P9021001) or

Trigger Spray Extension Tube (Part No. P9029000)

Compressed Air Tank

Clean Water Supply

Indoor Air Filter Replacement

(Part No. AIR-FILTER-25PAK)

Vent Air Filter Replacement (Part No. 52SQ500204)

Condenser Coil Cleaning Solution (Part No. P9020501)

Evaporator Coil Cleaning Solution (Part No. P9021001)

9.5-in. by 9.5-in. Piece of Clean Cardboard

3% Solution of Hydrogen Peroxide in Spray Bottle

Clean Cloth

Safety Glasses

Protective Gloves

FIGURE 22 Ð REMOVING FILTER

MONTHLY CLEANING

AIR FILTERS Ð The indoor and vent air ®lters should be cleaned once per month. Filters that are not cleaned become clogged and will restrict air¯ow. This may lead to major component damage. If a ®lter becomes torn, has holes, or other damage, replace it with a new one. Re- placement ®lters are available through Carrier Finished Goods and Carrier Replacement Component Division.

CLEANING THE INDOOR AIR FILTER Ð Remove

the indoor air ®lter as follows:

1.Remove the front panel to access the indoor air ®lter. To remove front panel, grasp panel ®rmly near the top of each side. Lift upward and pull forward. It is not necessary to use excessive force. See Figure 1.

2.To remove the indoor air ®lter, gently grasp the

2 ®lter tabs, push down, and pull out. See Figure 22.

Once the indoor air ®lter has been removed, use a vacuum cleaner, or a soft bristle brush and a small amount of mild dish detergent to gently wash the ®lter. If detergent is used, remove detergent residue with a gentle, clean water stream. Let the ®lter air dry. Be sure to reinsert the ®lter into the unit.

REPLACING THE INDOOR AIR FILTER Ð Access

and remove indoor air ®lter as detailed above in Clean- ing the Indoor Air Filter. Use a ®lter replacement with the Carrier Part No. AIR-FILTER-25PAK, available through Carrier Finished Goods and Carrier Replace- ment Component Division.

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Contents Contents Service Technician GuideSummary of DANGERS, WARNINGS, and Cautions IntroductionModel Number Nomenclature To Remove the Unit from the Wall Sleeve General DisassemblyTo Disconnect Power for CORD- Connected Unit To Open the Control BOXDuct Extension Screws Removing the AIR Baffle To Access INDOOR-AIR Section ComponentsTo Remove the TOP Cover Ð Remove the screw To Remove the AIR Discharge Grille To Remove the Gusset To Access OUTDOOR-AIR Section Components To Remove the Discharge Deck Removing Stator Consider the following safety issues before beginning General CleaningCleaning and Safety Component Cleaning ScheduleTools Needed Monthly CleaningCleaning the Indoor AIR Filter Ð Remove Replacing the Indoor AIR Filter Ð AccessChassis Cleaning the Vent AIR FilterReplacing the Vent AIR Filter Disconnect ALL Power to Unit Seasonal CleaningAccessing the Indoor and Outdoor Section Components on Cleaning the Indoor and Outdoor CoilsAccessing the Indoor FAN and Indoor Coils sectionCleaning the Heater Assembly Ð Once Cleaning the Indoor FAN and FANDisconnect ALL Power to the Unit Rotary Compressor Components CompressorBasic Hermetic Compressor Electrical Measurements Compressor TroubleshootingBasic Compressor Troubleshooting Guide SHORTED/OPEN Windings Test Compressor ReplacementRemoving the Compressor Ð Follow the steps Disconnect all power to unitRefrigerant Charging Ð Every mechanical Installed Filter DrierHeater Removal HeatersCommon Causes Heater Failure Removing Heater Screws Typical 52S Unit Operating Controls Operating ControlsOutside or Vent AIR Ð Push the FAN only Description of Switch SettingsNON-USER Adjustable Switches High Heat or High Cool Ð Push buttonHeat Pump Units Figure Sequence of OperationHEAT/COOL Units Figure Cooling only Units FigureIndoor Thermostat Heat Pump Units Component Operation and TroubleshootingTools Needed Outdoor Frost Thermostat Heat Pump Units Indoor Thermostat IT CONTACTS, ALL 52SQ AA and CP ModelsCapacitor Test Locked OUTOutdoor Frost Thermostat Screws Electrical Components Removal and ReplacementComponent Locations Open Control BOX Basic FAN Motor Electrical Tests FAN Motor TroubleshootingFAN Motor Typical 265 Volt Motors FAN Motor Troubleshooting Chart Typical 208/230 Volt MotorsRemoval FAN Motor ReplacementField Temperature Charts 52S Series Page 52S Series Page 52S Series Page 52S Series Page 52S Series Page 52S Series Page 52S Series Page 52S Series Wiring Schematic 52SC Ð 208/230 V and 265 V AA and CP Units Wiring SchematicsWiring Schematic 52SE Ð 208/230 V and 265 V AA and CP Units Wiring Schematic 52SE Ð 208/230 V and 265 V RC Units Wiring Schematic 52SQ Ð 208/230 V and 265 V AA and CP Units Wiring Schematic 52SQ Ð 208/230 V and 265 V RC Units Most Frequent Ptac Service Questions