Bosch BMS500-AAU036-1AHCXB User Manual

Bosch Ductless Air Conditioner / Heat Pump Outdoor Unit
Climate 5000 Series
Single Zone (Regular, HyperHeat, Light Commercial) ODU
Service Manual

Bosch BMS500-AAU036-1AHCXB Specifications

General

Brand	Bosch
Model	BMS500-AAU036-1AHCXB
Category	Air Conditioner
Language	English

Summary

Safety and General Information

Safety Precautions

Details essential safety warnings and precautions for installation, operation, and maintenance.

Product Specifications and Installation

Installation Details

Covers crucial installation steps like torque requirements, pipe connections, and refrigerant handling.

System Functions and Wiring

Electronic Functions and Protections

Operation Modes and Functions

Wiring Diagrams

Provides detailed wiring diagrams for outdoor unit PCBs, indoor units, and power supply connections.

Error Codes

Error Codes - Wall Mounted Indoor Unit

Error Codes - 4-Way Cassette Indoor Unit

Error Codes - Ducted Indoor Unit

Quick Check by Error Codes

Offers a quick reference table correlating error codes with potential causes.

Diagnosis and Solutions

EEPROM Parameter Error (EO/F4)

Details troubleshooting steps for EEPROM parameter errors affecting communication.

Indoor/Outdoor Communication Error (E1)

Provides a troubleshooting flowchart for communication errors between indoor and outdoor units.

Refrigerant Leakage Detection (EC)

IPM Malfunction or IGBT Over-Current Protection (PO)

Over/Under Voltage Protection (P1)

Main Parts Check

Disassembly Guide