Sanyo KMS1872, KMS2472 service manual Names of Parts

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Names of Parts

Air intakes

INDOOR UNIT

Air outlet

Remote control unit

Drain hose

Refrigerant tubes

OUTDOOR UNIT

Air outlet

NOTE

This illustration is based on the external view of a standard model. Consequently, the shape may differ from that of the air conditioner which you have selected.

This air conditioner consists of an indoor unit and an outdoor unit. You can control the air conditioner with the remote control unit.

Air Intake	Air from the room is drawn into this section and passes through air filters which
	remove dust.

Air Outlet	Conditioned air is blown out of the air conditioner through the air outlet.

Remote Control Unit	The wireless remote control unit controls power ON/OFF, operation mode
	selection, temperature, fan speed, timer setting, and air sweeping.

Refrigerant Tubes	The indoor and outdoor units are connected by copper tubes through which
	refrigerant gas flows.

Drain Hose	Moisture in the room condenses and drains off through this hose.

Outdoor (Condensing) Unit	The outdoor unit contains the compressor, fan motor, heat exchanger coil, and
	other electrical components.

OI-807-5-EG	5

Image 45

Contents 000BTU / h KMS0972 Capacity Indoor Model No Product Code No 500BTU / h KMS077211,900BTU / h KMS1272 17,500BTU / h KMS1872Please Read Before Starting Table of Contents Applicable MULTI-OUTDOOR Units Indoor Air Intake Temp Outdoor Air Intake Temp Temperature Indoor Air Intake Temp Outdoor Air Intake TempKMS0772 Unit Speciﬁcations208V KMS0972 KMS0972 KMS1272 KMS1272 KMS1872 KMS1872 KMS2472 KMS2472 Indoor Unit Major Component SpeciﬁcationsCB-KMS0972 CB-KMS1272 CB-KMS1872 CB-KMS2472 Other Component Specifications Temperature F CResistance k ohm KMS0972 KMS1272 Dimensional DataIndoor Unit KMS1872 KMS2472 Indoor Unit KMS0772 KMS0972 KMS1272 Indoor unit Refrigerant Flow DiagramPerformance Data Air Throw Distance ChartsIndoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit KMS0772 KMS0972 KMS1272 Electric Wiring Diagrams8FA2-5257-70500-0 Operation Functions Emergency operationPAM- control Lamp colors Timer backupFreeze prevention Protective FunctionsMethod of Self-Diagnostics Precautions before Performing Inspection or RepairCode Diagnostics item Self-diagnostics LampsIndication on indoor unit Blinking On IlluminatedReplace the circuit board or the fuse Replace the controllerChecking the Indoor and Outdoor Units Using the TEST/T-RUN terminalsChecking the indoor unit Control Check items unit operation Checking the serial communicationsIndoor Fan Motor Trouble Diagnosis of Fan MotorNoise malfunction Noise Malfunction and Electromagnetic InterferenceElectromagnetic interference Locations most susceptible to noise Trouble CorrectionKMS0772 KMS0972 KMS1272 KMS1872 KMS2472 Features Contents Alert SymbolsProduct Information Installation Location Safety InstructionsElectrical Requirements Names of Parts Quiet lamp Unit Display and Operation ButtonRemote Control Unit Display HR. Timer button Remote Control UnitAdvance button TransmitterDRY How to Install Batteries Using the Remote Control UnitTemperature Display Selector button ACL button ALL ClearUsing the Remote Control Unit Operation Operation with the Remote Control UnitPress the ON/OFF operation button Operation with the Remote Control UnitNight Setback Mode is used for saving energy Cooling and DRY ModeQuiet Mode Power failure during operation Special RemarksClicking sound is heard from the air conditioner Operation Indication Setting the TimerSetting the Timer To cancel a timer program Press the Cancel button1030 pm 710 am 1100 am Present time Setting procedure Using the 1-Hour OFF TimerCancellation procedure Operation together with the Daily ON/OFF Repeat TimerSetting the airflow manually Adjusting the Airflow DirectionHorizontal Sweep functionWhen the air conditioner is not running Care and CleaningOperation without the Remote Control UnitHow to remove the anti-mold filter Care and CleaningHow to replace the anti-mold filter Air intake grilleHow to install the air clean filter How to clean the air clean filterCleaning the negative ion generator Washing the grille with waterTroubleshooting Operating RangeTrouble Possible Cause Remedy Appendix B Installation Instructions For Indoor Unit ContentsPlease Read Before Starting For safe installation and trouble-free operation, you must…In a Ceiling or Wall …In a RoomGeneral Additional Materials Required for Installation Installation Site Selection150 L1+L2+L3+L4 230 Embedding the Tubing and WiringHow 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 How to replace the grille How to remove the grilleBe sure to wear work gloves Cut by the sharp aluminum finsIndoor unit types KMS1872, KMS2472 Shape the Indoor Side Tubing Wiring Instructions General precautions on wiringWiring Instructions for Inter-unit Connections Fore, be sure all wiring is Loose wiring may causeHow to connect wiring to the terminal For Indoor Unit For Outdoor Unit For solid core wiring or F-cableRight-side tubing MountingSwitching drain hose and drain cap Left-side tubingDrain cap Risk of Electric Shock To unmount indoor unitOperation lamp Timer lamp Quiet lamp ION lamp How to Test Run the Air ConditionerMounting on a Wall Remote Control Unit Installation PositionAddress Setting of the Remote Control Unit Address SwitchInstallation Check Sheet Connecting a Home Automation device