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Bosch BMS500-AAM027-1CSXRC User Manual

Bosch BMS500-AAM027-1CSXRC
104 pages
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Service Manual
Ductless Air Conditioner / Heat Pump
Multi Zone Outdoor Units
Climate 5000 Series
BTC 769102304 A / 01.2023
WARNING:
f Installation must be performed by a licensed
contractor, and per the instructions in the
installation manual. Improper installation can
cause water leakage, electrical shock, or fire.
f In North America, installation must
be performed in accordance with the
requirement of NEC (National Electric Code)
and CEC (Canadian Electric Code) by licensed
and qualified personnel only.
f Only contact a licensed contractor for repair
or maintenance of this unit.

Table of Contents

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Bosch BMS500-AAM027-1CSXRC Specifications

General IconGeneral
BrandBosch
ModelBMS500-AAM027-1CSXRC
CategoryAir Conditioner
LanguageEnglish

Summary

Safety and Symbol Information

Safety Precautions

Provides critical safety precautions before installation and operation.

Wiring Diagrams

18K Series Wiring Diagrams

Provides the wiring diagram for 18K series outdoor unit models.

27K & 36K Series Wiring Diagrams

Provides wiring diagrams for 27K and 36K series outdoor unit models.

36K & 48K Series Wiring Diagrams

Provides wiring diagrams for 36K and 48K series outdoor unit models.

48K Series Wiring Diagrams

Provides the wiring diagram for 48K series outdoor unit models.

Installation Procedures

First Time Installation and Refrigerant Charging

Details initial installation steps including air purging and refrigerant charging.

Refrigerant Collection and Evacuation

Explains procedures for collecting and evacuating refrigerant.

Electronic Functions and Protection

Main Protection Systems Overview

Details various protection mechanisms for the unit's operation.

Troubleshooting Common Errors

Electrical Hazard Safety During Troubleshooting

Highlights electrical hazards during troubleshooting procedures.

Outdoor Unit Error Codes List

Lists common error codes and their LED status indicators.

Error Code Quick Check Reference

Provides a quick reference chart for error codes and potential causes.

Specific Error Troubleshooting

General Diagnosis and Solution

Provides general diagnostic steps and solutions for identified problems.

EEPROM Parameter Error Troubleshooting

Troubleshooting guide for EEPROM parameter errors (EC 51).

Communication Error Troubleshooting

Troubleshooting for indoor/outdoor unit communication errors (EL 01).

IPM/Main Board Communication Error Troubleshooting

Troubleshooting for communication errors between IPM and main boards (PC 40).

Component Protection Troubleshooting

Sensor Malfunction Troubleshooting

Troubleshooting for various sensor malfunctions (EC 52-56, 50).

System Protection Troubleshooting

Component Failure Troubleshooting

System Malfunction Troubleshooting

Disassembly Guide

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