Midea MDV-400(14)W/D2RN1T(C) - User Manual

Commercial Air Conditioners
Service
Manual
R410A
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Add.: Midea Headquarters Building, 6 Midea Avenue, Shunde, Foshan, Guangdong, China
Postal code: 528311
Tel: +86-757-26338346 Fax: +86-757-22390205
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Note: Product specifications change from time to time as product improvements and
developments are released and may vary from those in this document.
Commercial Air Conditioner Division
Midea Group

Midea MDV-400(14)W/D2RN1T(C) Specifications

General

Power Supply	220-240V, 50Hz
Refrigerant	R410A
Noise Level (Outdoor)	58 dB
Operating Temperature (Cooling)	18°C to 43°C
Operating Temperature (Heating)	-15°C to 24°C

Summary

Part 2 Component Layout and Refrigerant Circuits

Layout of Functional Components

Identifies key functional components within the outdoor unit's layout.

Piping Diagrams

Illustrates the refrigerant piping connections for different system configurations.

Refrigerant Flow Diagrams

Depicts the refrigerant flow during various operating modes.

Part 3 Control

General Control Scheme Flowchart

Normal Operation Control

Protection Control

Outlines the system's protection mechanisms against faults.

Part 5 Diagnosis and Troubleshooting

Outdoor Unit Electric Control Box Layout

Outdoor Unit Main PCB

Error Code Table

Lists and explains various error codes displayed by the system.

Troubleshooting

Provides procedures for diagnosing and resolving system errors.