4.3 TROUBLESHOOTING GUIDE

In general, possible trouble is classified in two causes.

The one is called Starting Failure which is caused from an electrical defect, and the other is Ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application.

Unit is running but cooling is ineffective

Ineffective Cooling

Check cold air circulation for smooth flow.

Dirty indoor coil (Heat exchanger)

Malfunction of fan

Clogged air filter

Obstruction at air outlet

Stop auto air-swing

Correct above troubles

Check clogging in refrigeration circuit.

Repair clogging in refrigeration circuit.

Check outdoor coil

(heat exchanger) & the fan operation.

Check gas leakage.

Repair gas leak.

Replacement of unit if the unit is beyond repair.

Satisfactory operation with temperature difference of inlet & outlet air ; 44.6~50˚F

Check heat load increase.

Unexpected residue

Overloaded Circuit

Check inside gas pressure.

Adjusting of refrigerant charge

Malfunction of compressor

Replacement of compressor

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Heat Controller BD-81, BD-101, BD-123, BDE-103, BDE-123 manual Troubleshooting Guide

BD-81, BDE-123, BDE-103, BD-123, BD-101 specifications

The Heat Controller series, including the BD-123, BDE-123, BD-101, BDE-103, and BD-81 models, offers an impressive range of features and innovative technologies designed to provide efficient heating and cooling solutions for a variety of environments. Each model is engineered to stand out in performance, making them suitable for both residential and commercial applications.

The BD-123 model boasts an advanced Energy Efficiency Ratio (EER) that ensures users enjoy reduced energy consumption without compromising comfort. This unit is equipped with an intelligent temperature control system that adapts to the surrounding environment, optimizing heating or cooling as needed. Additionally, its sleek, modern design contributes to both aesthetics and functionality, making it an integral part of any space.

The BDE-123 enhances the functionality of the BD-123 by incorporating smart connectivity options. Users can control the temperature of their space remotely via smartphone applications, allowing for greater convenience and energy management. Furthermore, this model features a filter reminder system that alerts users when it’s time for maintenance, prolonging the unit's lifespan and ensuring peak performance.

The BD-101 model is designed with an emphasis on compactness and versatility. Its lightweight structure allows for easy installation in small spaces, making it ideal for apartments and small offices. With multi-speed fan settings, this model provides customizable airflow, catering to individual preferences and requirements.

The BDE-103 enters the market as a top-tier option, featuring advanced inverter technology. This innovative approach significantly reduces power consumption while maintaining consistent temperature control. The BDE-103 also prides itself on quiet operation, allowing users to enjoy a peaceful atmosphere without the disruptive noise often associated with traditional systems.

Lastly, the BD-81 is tailored for users seeking affordable yet reliable heating and cooling solutions. Despite its lower price point, it does not compromise on quality, offering essential features such as adjustable thermostats and programmable timers. This model makes it accessible for budget-conscious users while still providing comfort and efficiency.

In summary, the Heat Controller BD-123, BDE-123, BD-101, BDE-103, and BD-81 models cater to a variety of needs. With a combination of energy efficiency, smart technology, compact design, and affordability, these models are designed to ensure optimum comfort in any setting while prioritizing user convenience and sustainability. Whether for a small apartment or a large commercial space, there is a Heat Controller model that meets the demands of modern living.