Sanyo STB1220C1, STB0810C1, STB1020C1, STB1010C1 Refrigerant Flow Diagram, Model STB0823H1

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4. REFRIGERANT FLOW DIAGRAM

Models	STB0810C1	STB1010C1	STB1020C1	STB1220C1
	STB0811C1	STB1023C1	STB1123C1
				Compressor
			Accumulator
			Evaporator	Condenser
			Capillary
			tube
Model	STB0823H1

		Accumulator		Compressor
				Compressor
		4-way
		valve
Indoor heat	exchanger	Outdoor heat	exchanger
		Capillary
	Capillary	tube
	Capillary
	tube
		Check
		valve
		8

Cooling cycle

Heating cycle

Image 12

Contents

Sanyo 26˝ Through the Wall AIR Conditioners & Heat Pump Please Read Before Starting HOW to USE this Manual ExampleTable of Contents Operating Range Models STB0810C1 STB1010C1 STB1020C1 STB1220C1Models STB0811C1 STB1023C1 STB1123C1 STB0823H1Specifications Unit SpecificationsModels STB0811C1 STB1023C1 STB1123C1 STB0823H1 Cooling & Electric Heating Heat PumpMajor Component Specifications CompressorPOW-STBH Other Component Specifications Room Thermostat YTB-2U136 YTB-2U358Dimensional Data Wall Sleeve Dimension Dimension of Wall OpeningRefrigerant Flow Diagram Model STB0823H1Performance Data Cooling Capacity10,200 BTU/h 700 BTU/h 11,500 BTU/h 000 BTU/h 500 BTU/h 11,300 BTU/h 980 810 650 490 300 070 22.8 100 Outdoor ambient temperature F DB Heating Capacity Heat pump PerformanceElectrical Characteristics Electrical DataCooling only models Cooling & electric heating models Heat pump model CoolingElectrical Wiring Diagrams Models STB0810C1 STB1010C1Models STB1020C1 STB1220C1 Model STB0811C1 Models STB1023C1 STB1123C1 Model STB0823H1 Layout for Electric Parts P.C.B. Assy Printed Pattern POW-STBH For model STB0823H1Troubleshooting Check before and after troubleshootingCheck power supply Check lead wires and connectorsAir conditioner does not operate Circuit breaker trips or fuse blowsPower is not supplied Check Mode selector on the control panelNeither fan motor nor compressor motor runs Check transformerSome part of air conditioner does not operate Only fan does not runElectric heater does not work Check setting temperature Only compressor unit does not runCheck compressor and electrical parts Cooling only models Cooling & electric heating modelsOperation does not switch from Heat to Cool or Cool to Heat Air conditioner operates, but abnormalities are observedPoor cooling or heating Excessive cooling or heatingIf a sensor is defective. Only for heat pump model Room temp. thermistor RTH is defectiveOpen ShortPower Cord and Unit Checking Electrical ComponentsMeasurement of Insulation Resistance Measurement of Insulation Resistance for Electrical PartsChecking Motor Capacitor Checking Fan Motor WindingChecking Compressor Motor Winding Checking ThermistorDisassembly Procedure Removing Front GrilleRemoving Wall Sleeve Removing Electrical Component BoxRemoving Electric Heater Removing Blower Wheel Removing EvaporatorRemoving Condenser Removing Propeller FanRemoving Fan Motor Room Temperature Control FunctionCooling Heating Heating Except during defrosting operation Heat Pump Model Model STB0823H1Heat Pump Model Model STB0823H1 Defrosting Flowchart Defrosting Mode Timing ChartDefrosting Operation Heating Appendix Heat Pump Model STB0823H1Fan Switch Sanyo Hvac Service Center

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