Sanyo STB0810C1, STB0823H1, STB1020C1 Defrosting Operation Heating, Defrosting Mode Timing Chart

Page 49

10-2. Defrosting Operation (Heating)

Heat Pump Model

Model STB0823H1

Defrosting Flowchart

Compressor ON

 

 

 

 

NO

Temperature of outdoor heat

exchanger coil is blow 14°F.

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

Defrosting begins

 

Compressor

OFF

 

Electric Heater

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Temperature of outdoor heat

NO

exchanger coil is higher than

 

 

39°F.

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

Release of defrosting

 

 

 

 

 

 

Defrosting Mode Timing Chart

Compressor

Electric heater

Solenoid coil (4-way valve)

Fan motor

Outdoor heat

39 °F

exch coil

14 °F

temp.

 

Start of defrosting

 

 

 

Release of defrosting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

ON

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

ON

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Set speed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE

Once the air conditioner enters defrosting mode, it will not release defrosting until the

outdoor heat exchanger coil temperature rises above 39°F. During this period, heat is

 

 

provided by electric heater instead of by the heat pump.

45

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Contents Sanyo 26˝ Through the Wall AIR Conditioners & Heat Pump Please Read Before Starting Example HOW to USE this ManualTable of Contents Models STB0810C1 STB1010C1 STB1020C1 STB1220C1 Operating RangeModels STB0811C1 STB1023C1 STB1123C1 STB0823H1Unit Specifications SpecificationsCooling & Electric Heating Heat Pump Models STB0811C1 STB1023C1 STB1123C1 STB0823H1Compressor Major Component SpecificationsPOW-STBH Room Thermostat YTB-2U136 YTB-2U358 Other Component SpecificationsWall Sleeve Dimension Dimension of Wall Opening Dimensional DataModel STB0823H1 Refrigerant Flow DiagramCooling Capacity Performance Data10,200 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 Heating Capacity Heat pump Performance 100 Outdoor ambient temperature F DBElectrical Data Electrical CharacteristicsCooling only models Cooling & electric heating models Cooling Heat pump modelModels STB0810C1 STB1010C1 Electrical Wiring DiagramsModels STB1020C1 STB1220C1 Model STB0811C1 Models STB1023C1 STB1123C1 Model STB0823H1 Layout for Electric Parts POW-STBH For model STB0823H1 P.C.B. Assy Printed PatternCheck before and after troubleshooting TroubleshootingCheck power supply Check lead wires and connectorsCircuit breaker trips or fuse blows Air conditioner does not operateCheck Mode selector on the control panel Power is not suppliedNeither fan motor nor compressor motor runs Check transformerOnly fan does not run Some part of air conditioner does not operateElectric heater does not work Only compressor unit does not run Check setting temperatureCheck compressor and electrical parts Cooling only models Cooling & electric heating modelsAir conditioner operates, but abnormalities are observed Operation does not switch from Heat to Cool or Cool to HeatPoor cooling or heating Excessive cooling or heatingRoom temp. thermistor RTH is defective If a sensor is defective. Only for heat pump modelOpen ShortChecking Electrical Components Power Cord and UnitMeasurement of Insulation Resistance Measurement of Insulation Resistance for Electrical PartsChecking Fan Motor Winding Checking Motor CapacitorChecking Compressor Motor Winding Checking ThermistorRemoving Front Grille Disassembly ProcedureRemoving Wall Sleeve Removing Electrical Component BoxRemoving Electric Heater Removing Evaporator Removing Blower WheelRemoving Propeller Fan Removing CondenserRemoving Fan Motor Function Room Temperature ControlCooling Heating Heat Pump Model Model STB0823H1 Heating Except during defrosting operationDefrosting Mode Timing Chart Heat Pump Model Model STB0823H1 Defrosting FlowchartDefrosting Operation Heating Heat Pump Model STB0823H1 AppendixFan Switch Sanyo Hvac Service Center
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STB1020C1, STB1220C1, STB0811C1, STB1023C1, STB0810C1 specifications

The Sanyo STB0823H1 is a remarkable addition to the world of home appliances, particularly in the domain of efficient air conditioning solutions. Designed with precision and modern technology, this model offers both reliability and versatility, ensuring optimal performance across various environments.

One of the standout features of the STB0823H1 is its energy efficiency. Incorporating advanced inverter technology, this air conditioner dynamically adjusts its compressor speed to maintain the desired room temperature while consuming minimal energy. This not only contributes to lower electricity bills but also aligns with environmental sustainability goals, making it an ideal choice for eco-conscious consumers.

The STB0823H1 also boasts a user-friendly interface, making operation seamless for everyone. The sleek remote control allows users to customize settings with ease, offering various modes including cooling, heating, dehumidification, and fan-only options. The model includes a programmable timer, enabling users to set the unit to run according to their schedules, further enhancing convenience and energy savings.

In terms of airflow and coverage, the Sanyo STB0823H1 is equipped with a powerful fan that delivers a robust airflow rate, ensuring rapid cooling or heating throughout the room. Additionally, adjustable louvers allow for precise control over air direction, maximizing comfort no matter the room size or layout.

Noise levels are a crucial consideration for homeowners, and the STB0823H1 excels in this regard. Utilizing advanced sound-reducing technologies, this air conditioning unit operates quietly, ensuring a peaceful indoor environment even during peak operation.

Regarding maintenance, the Sanyo STB0823H1 features a removable and washable air filter designed to trap dust, allergens, and other airborne particles, promoting a healthier living space. This easy-to-maintain filter helps improve indoor air quality while also prolonging the lifespan of the unit, as clean filters contribute to efficient performance.

In summary, the Sanyo STB0823H1 emerges as a high-performing air conditioning solution known for its energy efficiency, user-friendly design, powerful cooling capabilities, quiet operation, and low maintenance. This model embodies the fusion of innovative technology and thoughtful design, making it a smart investment for homeowners looking to enhance their comfort while being mindful of energy consumption.