Sanyo KMS1872, KMS2472 service manual

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Indoor Unit		KMS1872
								< 208V >
Type							Wall Mounted Type Indoor Unit


Voltage Rating							208V 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	0.17
	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 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 Temperature F C Other Component SpecificationsResistance 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 Emergency operation Operation FunctionsPAM- 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 Alert Symbols ContentsProduct Information Safety Instructions Installation LocationElectrical 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 Special Remarks Power failure during operationClicking sound is heard from the air conditioner Operation Indication Setting the TimerTo cancel a timer program Press the Cancel button Setting the Timer1030 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 waterOperating Range TroubleshootingTrouble 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 WiringRemove the Rear Panel from the Unit How to Install the Indoor UnitMake a Hole If Wooden Wall Install the Rear Panel on the 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 MountingLeft-side tubing Switching drain hose and drain capDrain 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