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Midea HB-A60/CGN8-B User Manual

Midea HB-A60/CGN8-B
112 pages
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M-Thermal A Series Split
Commercial Air Conditioners
R32
Service
Manual
Midea CAC
Confidential
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Midea HB-A60/CGN8-B Specifications

General IconGeneral
BrandMidea
ModelHB-A60/CGN8-B
CategoryAir Conditioner
LanguageEnglish

Summary

General Information

Unit Capacities

Details on the capacity ranges for outdoor units and compatible hydronic box models.

External Appearance

Visual descriptions and images of outdoor units and hydronic boxes.

Component Layout and Refrigerant Circuits

Layout of Functional Components

Identification of key components within outdoor unit layouts.

Piping Diagrams

Schematic diagrams illustrating outdoor and hydronic unit piping.

Refrigerant Flow Diagrams

Diagrams showing refrigerant flow during heating and cooling operations.

Control

Stop Operation

Reasons for system stop operation and conditions.

Standby Control

Control logic for crankcase heater and water pump during standby.

Startup Control

Details on compressor startup delay and program sequences.

Normal Operation Control

Component control strategies during normal heating, cooling, and DHW operations.

Protection Control

High/low pressure, temperature, current, and voltage protection mechanisms.

Special Control

Operation modes including oil return, defrosting, and fast DHW.

Role of Temperature Sensors in Control Functions

Explanation of temperature sensor locations and their function in system control.

Diagnosis and Troubleshooting

Electric Control Box Layout

Layouts of electric control boxes for outdoor and hydronic units.

PCBs

Identification and details of main PCBs for outdoor and hydronic systems.

Error Code Table

Comprehensive table of error codes, serial numbers, content, and remarks.

Troubleshooting

Procedures for diagnosing and resolving various error codes (E0, E1, E2, etc.).

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