Sanyo KMS2472, KMS1872 service manual Features

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Features

This air conditioner is an inverter type unit that automatically adjusts capacity as appropriate. Details on these functions are provided below; refer to these descriptions when using the air conditioner.

Microprocessor Controlled Operation

The interior compartment of the remote control unit contains several features to facilitate automatic operation, easy logically displayed for easy use.

Simple One-touch Wireless Remote Control The remote control unit has several features to facilitate automatic operation.

24-Hour ON or OFF Timer

This timer can be set to automatically turn the unit on or off at any time within a 24 hour period.

1-Hour OFF Timer

This timer can be set to automatically turn off the unit at any time after one hour.

Night Setback

Pressing this button changes the setting of the room temperature thermostat, allowing you to set the temperature at whatever level that you find comfortable.

Automatic and 3-step Fan Speed Auto/High/Medium/Low

Air Sweep Control

This function moves a flap up and down in the air outlet, directing air in a sweeping motion around the room and providing comfort in every corner.

Auto. Flap Control

This automatically sets the flap to the optimum position during cooling and drying operation.

Automatic Restart Function for Power Failure Even when power failure occurs, preset programmed operation can be reactivated once power resumes.

High Power Operation

The unit operates at maximum output for 30 minutes, regardless of the desired temperature. The fan speed is 1 step above “High”.

Quiet Operation

The fan rotates slower than the fan speed setting to provide a quieter operating sound.

ION Operation

While it is operating, the unit generates negative ions that freshen up the air in the room.

Anti-Mold Filter

This unit is equipped with an anti-mold filter that inhibits the growth of mold and bacteria.

Air Clean Filter

An air filter that eliminates unpleasant odors and cleans the air is available.

Purchase a replacement filter at your local dealer. (model STK-FDXB)

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OI-807-2-EG

 

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Contents 11,900BTU / h KMS1272 Capacity Indoor Model No Product Code No 500BTU / h KMS0772000BTU / h KMS0972 17,500BTU / h KMS1872Please Read Before Starting Table of Contents Applicable MULTI-OUTDOOR Units Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Indoor Air Intake Temp Outdoor Air Intake TempUnit Specifications KMS0772208V KMS0972 KMS0972 KMS1272 KMS1272 KMS1872 KMS1872 KMS2472 KMS2472 Major Component Specifications Indoor UnitCB-KMS0972 CB-KMS1272 CB-KMS1872 CB-KMS2472 Other Component Specifications Temperature F CResistance k ohm Dimensional Data KMS0972 KMS1272Indoor Unit KMS1872 KMS2472 Refrigerant Flow Diagram Indoor Unit KMS0772 KMS0972 KMS1272 Indoor unitAir Throw Distance Charts Performance DataIndoor Unit Indoor Unit Indoor Unit Indoor Unit Electric Wiring Diagrams Indoor Unit KMS0772 KMS0972 KMS12728FA2-5257-70500-0 Operation Functions Emergency operationPAM- control Timer backup Lamp colorsProtective Functions Freeze preventionPrecautions before Performing Inspection or Repair Method of Self-DiagnosticsIndication on indoor unit Self-diagnostics LampsCode Diagnostics item Blinking On IlluminatedReplace the controller Replace the circuit board or the fuseChecking the indoor unit Control Check items unit operation Using the TEST/T-RUN terminalsChecking the Indoor and Outdoor Units Checking the serial communicationsTrouble Diagnosis of Fan Motor Indoor Fan MotorElectromagnetic interference Noise Malfunction and Electromagnetic InterferenceNoise malfunction Locations most susceptible to noise Trouble CorrectionKMS0772 KMS0972 KMS1272 KMS1872 KMS2472 Features Contents Alert SymbolsProduct Information Installation Location Safety InstructionsElectrical Requirements Names of Parts Unit Display and Operation Button Quiet lampRemote Control Unit Display Advance button Remote Control UnitHR. Timer button TransmitterDRY Temperature Display Selector button Using the Remote Control UnitHow to Install Batteries ACL button ALL ClearUsing the Remote Control Unit Operation with the Remote Control Unit OperationOperation with the Remote Control Unit Press the ON/OFF operation buttonCooling and DRY Mode Night Setback Mode is used for saving energyQuiet Mode Power failure during operation Special RemarksClicking sound is heard from the air conditioner Setting the Timer Operation IndicationSetting the Timer To cancel a timer program Press the Cancel button1030 pm 710 am 1100 am Present time Cancellation procedure Using the 1-Hour OFF TimerSetting procedure Operation together with the Daily ON/OFF Repeat TimerHorizontal Adjusting the Airflow DirectionSetting the airflow manually Sweep functionOperation without the Remote Care and CleaningWhen the air conditioner is not running Control UnitHow to replace the anti-mold filter Care and CleaningHow to remove the anti-mold filter Air intake grilleCleaning the negative ion generator How to clean the air clean filterHow to install the air clean filter Washing the grille with waterTroubleshooting Operating RangeTrouble Possible Cause Remedy Appendix B Installation Instructions Contents For Indoor Unit…In a Ceiling or Wall For safe installation and trouble-free operation, you mustPlease Read Before Starting …In a RoomGeneral Installation Site Selection Additional Materials Required for InstallationEmbedding the Tubing and Wiring 150 L1+L2+L3+L4 230How to Install the Indoor Unit Remove the Rear Panel from the UnitMake a Hole Install the Rear Panel on the Wall If Wooden WallIf Block, Brick, Concrete or Similar Type Wall Be sure to wear work gloves How to remove the grilleHow to replace the grille Cut by the sharp aluminum finsIndoor unit types KMS1872, KMS2472 Wiring Instructions General precautions on wiring Shape the Indoor Side TubingWiring Instructions for Inter-unit Connections How to connect wiring to the terminal For Indoor Unit Loose wiring may causeFore, be sure all wiring is For Outdoor Unit For solid core wiring or F-cableMounting Right-side tubingSwitching drain hose and drain cap Left-side tubingDrain cap To unmount indoor unit Risk of Electric ShockHow to Test Run the Air Conditioner Operation lamp Timer lamp Quiet lamp ION lampRemote Control Unit Installation Position Mounting on a WallAddress Switch Address Setting of the Remote Control UnitConnecting a Home Automation device Installation Check Sheet