Heat Controller BG-101A, BG-81A, BG-123A service manual Troubleshooting Guide

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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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Contents Heat CONTROLLER, INC Contents PrefaceModels Items Features Control LocationsCooling only Model Operation VentilationDisassembly Instructions Mechanical PartsFront Grille CabinetAIR Handling Parts ORIFICE, and Turbo FANCapacitor Electrical PartsCompressor Power Cord ThermistorRefrigeration Cycle CondenserEvaporator Capillary TubePage Pulling Vacuum Installation Installation RequirementsInstallation Hardware Electrical ServiceHOW to Install Items in Installation HardwareProcedure a Toassembletrim,tpthetabofeachpieceProcedure B Top ViewWall Procedure C Wall sleeve inchesParts and Installation Piping System Troubleshooting GuideOutside Dimensions Troubleshooting Guide Fails to Start Complaint Cause Remedy Room AIR Conditioner Voltage Limits Complaint Cause Remedy Schematic Diagram Circuit DiagramHeat CONTROLLER, INC

BG-101A, BG-123A, BG-81A specifications

The Heat Controller series, comprising BG-81A, BG-101A, and BG-123A, represents a new benchmark in energy-efficient temperature management solutions. Engineered for both residential and commercial applications, these models offer versatility, reliability, and innovative technology designed to enhance user comfort while minimizing energy consumption.

The BG-81A model is compact yet powerful, making it an ideal choice for smaller spaces or individual rooms. Its key features include a programmable thermostat, allowing users to set specific heating schedules tailored to their needs. The BG-81A employs advanced inverter technology, which ensures that the unit maintains desired temperatures with minimal temperature fluctuations. This feature not only improves comfort levels but also significantly reduces energy costs by optimizing power usage.

Moving up in capacity, the BG-101A boasts enhanced heating capabilities suitable for medium-sized areas. It is equipped with a dual heating mode, allowing users to switch between energy-saving and high-efficiency settings. This flexibility makes the BG-101A adaptable to various environmental conditions, providing reliable warmth during the coldest months. Additionally, it features a built-in air purification system that ensures the delivery of high-quality air by trapping dust, allergens, and other particulates, benefiting users with respiratory sensitivities.

At the top of the lineup, the BG-123A is designed for larger spaces, combining robust performance with cutting-edge technology. It incorporates smart connectivity features, allowing users to control the heating system remotely via a mobile app. This functionality not only enhances convenience but also aids in energy management, as users can monitor and adjust settings in real time. The BG-123A also has an advanced temperature sensor that adapts the heating output based on the specific needs of the environment, ensuring optimal comfort while conserving energy.

All three models feature quiet operation, ensuring they can effectively function in bedrooms or offices without disrupting daily activities. Additionally, they are designed with user-friendly interfaces and minimal maintenance requirements, making them accessible for a wide range of users.

Overall, the Heat Controller BG series exemplifies modern heating solutions, combining efficiency, smart technology, and user-centric design for an unparalleled heating experience.