7-5. If a sensor is defective. (Only for heat pump model)

7-5-1. Room temp. thermistor (RTH) is defective.

A. Open

When thermistor opens, the air conditioner will be in the following conditions as the controller tries to detect extremely low room temperature.

a) In Cooling mode: The air conditioner soon stops and will not start again. (Thermo.OFF)

 

Compressor does not run.

 

b) In Heating mode: The air conditioner continues to operate. (Thermo.ON)

 

(Heat pump)

Electric heater does not stop.

 

 

As a result, the room becomes too warm.

Temperature

 

 

sensor

B. Short

 

Lead

wires

When thermistor is short, the air conditioner will be in the following conditions as the controller tries to detect extremely high room temperature.

Thermistor Structure

a)In Cooling mode: The air conditioner continues to operate. (Thermo.ON) Compressor does not stop.

As a result, the room becomes too cold.

b)In Heating mode: The air conditioner soon stops and will not start again. (Thermo.OFF)

(Heat pump)

Neither compressor nor electric heater runs.

NOTE Definition of Open or Short Circuit of Sensor (Thermistor)

Open... A lead wire is broken or disconnected or the circuit inside the temperature sensor is open .

Short... The protective cover of a lead wire has been damaged, and the exposed wire is touching another metal part, or both lead wires have become exposed and are touching each other. Alternatively, the circuit inside the temperature sensor is closed.

34

Page 38
Image 38
Sanyo STB1123C1 If a sensor is defective. Only for heat pump model, Room temp. thermistor RTH is defective, Open, Short

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.