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Heat Controller BHD-651-G User Manual

Heat Controller BHD-651-G
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Heat Controller, Inc. 1900 Wellworth Ave. Jackson, MI 49203 (517)787-2100 www.heatcontroller.com
SERVICE MANUAL
Portable Dehumidifer Series
with R-410A:
BHD-301-G
BHD-501-G
BHD-651-G
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Heat Controller BHD-651-G Specifications

General IconGeneral
Product colorWhite
Water tank capacity10 L
Water level indicatorYes
Suitable for room area up to232 m²
Suitable for room volume up to- m³
Weight and Dimensions IconWeight and Dimensions
Depth321 mm
Width394 mm
Height622 mm
Weight19050 g

Summary

Service Manual - Portable Dehumidifier

Preface

Safety Precautions

Essential safety measures to follow when servicing the unit to prevent hazards.

Insulation Resistance Test

Procedure for conducting an insulation resistance test for electrical safety.

Unit Features

Overview of the dehumidifier's key features and capabilities.

Control Locations

Identification and description of the unit's control panel buttons and indicator lights.

Outside Dimensions

Physical dimensions of the dehumidifier models.

Product Installation Instructions

Product Operation

Operating Conditions

Recommended environmental conditions for optimal dehumidifier operation.

Turning the Unit On or Off

Instructions for powering the dehumidifier on and off.

Operation with Water Tank

How to operate the unit using its internal water collection tank.

Operation with Continuous Drainage

Procedure for connecting a hose for continuous condensate drainage.

Maintenance

Guidance on routine maintenance tasks for the dehumidifier.

Electronic Functions

Powering On the Unit

Steps and indicators when powering on the unit and initiating self-diagnosis.

Setting Relative Humidity

How to adjust the desired humidity level using the control buttons.

Continuous Dehumidification Mode

Explanation of the continuous mode and its operation.

Powering Off the Unit

Procedure for safely shutting down the dehumidifier.

Compressor Protection

Details on the 3-minute time delay feature for compressor restart.

Protection and Failure Modes

Description of various protection mechanisms and error codes.

Basic Test Procedures

Defective Compressor Testing

Procedures for testing the compressor for defects, including winding and ground tests.

Sealed Refrigeration System Repairs

Guidelines for repairing leaks and replacing components in the sealed refrigeration circuit.

Fan Motor Testing

Steps to test the fan motor's functionality and performance.

Capacitor Testing

Methods for testing the run capacitor for the compressor and fan motor.

Troubleshooting Guide

General Troubleshooting

Classification of common troubleshooting issues: starting failure, ineffective AC, damage.

PCB Fault Codes

Explanation of PCB fault codes (P1, P2, E1, E2) and their meanings.

Specific Troubleshooting Scenarios

Detailed troubleshooting steps for abnormal water level protection and automatic alarms.

Humidity Sensor Check

Procedure to check the humidity sensor when the display fails or shows errors.

Fail to Start or Motor Issues

Troubleshooting steps for units that fail to start or have motor problems.

Abnormal Noise Troubleshooting

Steps to diagnose and resolve unusual noises from the unit.

Complaints and Remedies

Table listing common complaints, their causes, and recommended remedies.

Wiring Diagram

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