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Midea MHC-V12W/D2N8-B User Manual

Midea MHC-V12W/D2N8-B
113 pages
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M thermal Mono Series
Commercial Air Conditioners
R32
Service
Manual
Midea CAC Confidential

Other manuals for Midea MHC-V12W/D2N8-B

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Midea MHC-V12W/D2N8-B Specifications

General IconGeneral
Refrigerant TypeR32
Power Supply220-240V, 50Hz
Weight (Indoor Unit)8.1 kg
RefrigerantR32
TypeSplit System
Cooling Capacity12000 BTU/h
Energy Efficiency Ratio (EER)3.21

Summary

Part 1 General Information

Unit Capacities and External Appearance

Details unit capacities and visual appearance of the air conditioning units.

Part 2 Component Layout and Refrigerant Circuits

Layout of Functional Components

Identifies and illustrates the placement of key components within the outdoor unit.

Piping Diagrams

Illustrates the refrigerant and water piping configurations for different operational modes.

Refrigerant Flow Diagrams

Visualizes the path of refrigerant during various operating cycles like heating and cooling.

Part 3 Control

Stop Operation

Explains the conditions and reasons for the system entering a stop state.

Standby Control

Describes how the unit behaves and is managed when in a standby mode.

Startup Control

Details the procedures and logic for initiating unit operation.

Normal Operation Control

Outlines how the unit manages its components during standard running conditions.

Protection Control

Explains various protection mechanisms and error codes to safeguard the unit.

Special Control

Covers specific operational modes like oil return, defrosting, and fast DHW.

Role of Temperature Sensors in Control Functions

Details the function and importance of temperature sensors in system control.

Part 4 Diagnosis and Troubleshooting

Outdoor Unit Electric Control Box Layout

Shows the physical layout of electrical components within the outdoor unit control box.

Outdoor Unit PCBs

Identifies the main printed circuit boards (PCBs) used in the outdoor unit.

Error Code Table

Lists all error codes, their meanings, and where they are displayed.

Troubleshooting

Provides systematic procedures for diagnosing and resolving common issues.

Appendix to Part 4

Contains supplementary technical data, such as sensor resistance charts.

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