Heat Controller BHD-501-G Safety Precautions, Insulation Resistance Test, Unit Features

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Heat Controller, Inc.

Portable Dehumidifier with R-410A

BHD-G Service Manual

 

 

 

1. PREFACE

This SERVICE MANUAL provides various servicing information for the unit, including the mechanical and electrical parts, etc. This dehumidifier was manufactured and assembled under a strict quality control system.

The refrigerant is charged at the factory. Be sure to read the safety precautions prior to servicing the unit.

1.1SAFETY PRECAUTIONS

1.When servicing the unit, set the POWER SWITCH to OFF and unplug the power cord.

2.Inspect the service cord for damage or wear.

If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit.

3.After servicing the unit, conduct an insulation resistance test to protect the user from being exposed to electrical shock hazards.

1.2INSULATION RESISTANCE TEST

1.Unplug the power cord and connect a jumper lead between the two (2) live test pins.

2.The grounding conductor (yellow/green) should be open.

3.Measure the resistance value with an ohm meter between the jumped lead and each exposed metallic part on the unit at all the positions (except OFF) on the ROTARY SWITCH or POWER SWITCH.

4.The value should be over 1MΩ.

1.3UNIT FEATURES

•Auto-defrosting.

•Suitable for low-temperature and high-humidity weather.

•Water-full alarm and auto shutdown functions.

•Powerful dehumidification in wide temperature range between 41°F-90°F (5°C~32°C)

•LED display.

•Humidity display and setting.

•Self diagnose and defect display

1.4CONTROL LOCATIONS

Control pads:

When you push the button to change operation modes, the unit will make a beep sound to indicate that it is chang- ing modes.

1.POWER

Press to turn the dehumidifier on and off.

2.CHECK FILTER

The check filter feature is a reminder to clean the Air Filter for more efficient operation. The LED light will illuminate after 250 hours of operation. To reset after cleaning the filter, press CHECK FILTER and the light will go off.

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Contents Portable Dehumidifer Series With R-410A Table of Contents Control Locations Safety PrecautionsUnit Features Insulation Resistance TestTimer Outside DimensionsTimer Set Control Operating Conditions Turning the Unit on or OFFOperation with Water Tank Operation with Continuous Drainage MaintenancePowering OFF the Unit Powering on the UnitSetting the Relative Humidity Continuous Dehumidification ModeChecking Compressor Efficiency Defective CompressorCompressor Winding Test Ground TestEquipment Required Hermetic Component ReplacementSealed Refrigeration System Repairs Checking the Internal OverloadCapacitor FAN MotorCapacitor Test Room Airconditioner Voltage Limits Troubleshooting GuideIdentify ALL Possible PCB Fault Codes Trouble ShootingHumidity sensor check Fail to start or fail to start motor Complaint Cause Remedy Abnormal noisePortable Dehumidifier with R-410A Complaint Cause Remedy Wiring Diagram 05/2010

BHD-301-G, BHD-651-G, BHD-501-G specifications

The Heat Controller BHD series, comprising models BHD-651-G, BHD-301-G, and BHD-501-G, is designed to meet diverse heating needs with efficiency and reliability. Each model incorporates advanced features and technologies that enhance user experience, making them ideal for both home and commercial use.

Starting with the BHD-651-G, this model is a powerhouse, offering significantly higher output capacity suitable for larger spaces. It boasts an intelligent thermostat that ensures precise temperature control, allowing users to maintain their preferred environment effortlessly. The BHD-651-G employs a dual heating technology, combining convection and radiant heat for balanced warmth. Additionally, its energy-saving mode optimizes power consumption without sacrificing comfort, making it an eco-friendly choice.

The BHD-301-G is designed for medium-sized areas, striking a perfect balance between power and portability. Featuring a sleek design, it is lightweight and easy to move around. One of its standout features is the programmable timer, allowing users to set heating schedules that align with their lifestyles. This model also includes a filter system that cleans and purifies the air while heating, ensuring a healthier indoor environment. Moreover, the BHD-301-G operates quietly, making it ideal for use in bedrooms or offices.

Finally, the BHD-501-G caters to a variety of settings where flexibility is crucial. This model is equipped with multi-directional airflow, enabling users to direct heat where it is most needed. The BHD-501-G also features an advanced safety system, including overheat protection and a tip-over switch, ensuring peace of mind during use. Its user-friendly interface with intuitive controls simplifies operation, allowing for effortless adjustments to temperature and settings.

In summary, the Heat Controller BHD series offers a comprehensive range of features designed to provide efficient heating solutions tailored to different environments. With technologies aimed at enhancing power efficiency, air quality, and user comfort, the BHD-651-G, BHD-301-G, and BHD-501-G models stand out as top choices for reliable heat management. Their innovative characteristics ensure that users can enjoy warmth and comfort in any setting while being mindful of energy consumption and safety.
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