Sanyo KMS2472 service manual KMS1872

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Indoor Unit		KMS1872
								< 230V >
Type							Wall Mounted Type Indoor Unit


Voltage Rating							230V Single-Phase 60Hz


Performance							Cooling

	Capacity					BTU/h	17,500
						kW	5.15
	Air Circulation (High)					ft3/min (m3/h)	500 (850)
	Moisture Removal (High)					Pints/h	4.89

Electrical		Rating					Cooling

	Available Voltage Range					V	187 to 253
	Running Amperes					A	0.15
	Power Input					W		35

Features

	Control / Temperature Control						Microprocessor / I.C. Thermister
	Control Unit						Wireless Remote Control Unit
	Timer						24-Hour ON or OFF Timer Control
	Fan Speeds					Indoor	Auto and 3 steps
	Airflow Direction (Indoor)					Horizontal	Manual
						Vertical	Auto
	Air Filter						Washable, Anti-Mold
	Refrigerant						R410A
	Operation Sound				Indoor : Hi/Me/Lo/Qt* dB-A		41 / 38 / 34 / 28
	(*Qt = Quiet mode)
	Refrigerant Tubing Connections						Flare Type
	Refrigerant			Narrow tube		inch (mm)	1/4 (6.35)
	Tube Diameter			Wide tube		inch (mm)	1/2 (12.7)
	Refrigerant Tubing Kit / Accessories						Optional / Air Clean Filter

Dimensions & Weight

	Unit Dimensions				Height	inch(mm)	11-23/32	(298)
					Width	inch(mm)	41-15/16	(1,065)
					Depth	inch(mm)	8-19/32	(218)
	Package Dimensions				Height	inch(mm)	11-3/8	(289)
					Width	inch(mm)	44-7/8	(1,140)
					Depth	inch(mm)	14-29/32	(379)
	Weight				Net	Ib. (kg)	26.5	(12.0)
					Shipping	Ib. (kg)	33.1	(15.0)
	Shipping Volume					cu.ft (m3)	4.23	(0.12)
							DATA SUBJECT TO CHANGE WITHOUT NOTICE.

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Contents Capacity Indoor Model No Product Code No 500BTU / h KMS0772 000BTU / h KMS097211,900BTU / h KMS1272 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-DiagnosticsSelf-diagnostics Lamps Code Diagnostics itemIndication on indoor unit Blinking On IlluminatedReplace the controller Replace the circuit board or the fuseUsing the TEST/T-RUN terminals Checking the Indoor and Outdoor UnitsChecking the indoor unit Control Check items unit operation Checking the serial communicationsTrouble Diagnosis of Fan Motor Indoor Fan MotorNoise Malfunction and Electromagnetic Interference Noise malfunctionElectromagnetic 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 Unit Display and Operation Button Quiet lampRemote Control Unit Display Remote Control Unit HR. Timer buttonAdvance button TransmitterDRY Using the Remote Control Unit How to Install BatteriesTemperature Display Selector button 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 Using the 1-Hour OFF Timer Setting procedureCancellation procedure Operation together with the Daily ON/OFF Repeat TimerAdjusting the Airflow Direction Setting the airflow manuallyHorizontal Sweep functionCare and Cleaning When the air conditioner is not runningOperation without the Remote Control UnitCare and Cleaning How to remove the anti-mold filterHow to replace the anti-mold filter Air intake grilleHow to clean the air clean filter How to install the air clean filterCleaning the negative ion generator Washing the grille with waterTroubleshooting Operating RangeTrouble Possible Cause Remedy Appendix B Installation Instructions Contents For Indoor UnitFor safe installation and trouble-free operation, you must Please Read Before Starting…In a Ceiling or Wall …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 How to remove the grille How to replace the grilleBe sure to wear work gloves 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 Loose wiring may cause Fore, be sure all wiring isHow to connect wiring to the terminal For Indoor Unit 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