Midea MDV-335(12)W/D2RN1T(C)

Commercial Air Conditioners
Service
Manual
R410A
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iOS Version
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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
cac.midea.com global.midea.com
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-335(12)W/D2RN1T(C) Specifications

General

Cooling Capacity	12000 BTU/h
Refrigerant	R410A
Energy Efficiency Ratio (EER)	3.21
Noise Level (Outdoor Unit)	52 dB(A)
Type	Split Air Conditioner
Power Supply	220-240V, 50Hz

Summary

General Information

Indoor and Outdoor Unit Capacities

Details unit capacities and model compatibility.

External Appearance

Visual identification of various indoor unit types.

Outdoor Unit Combinations

Factory-recommended outdoor unit configurations and capacities.

Combination Ratio

Guidelines for matching indoor and outdoor unit capacities.

Component Layout and Refrigerant Circuits

Piping Diagrams

Visual representation of refrigerant pipe connections.

Refrigerant Flow Diagrams

Illustrates refrigerant path during various operations.

Control

Stop Operation

Explains reasons and procedures for system shutdown.

Standby Control

Management of system operation during idle periods.

Startup Control

Procedures for initiating system operation.

Normal Operation Control

Details on component operation during normal running.

Protection Control

Safety mechanisms to prevent system damage.

Special Control

Specific control functions like duty cycling and oil return.

Field Settings

Diagnosis and Troubleshooting

Outdoor Unit Main PCB

Detailed view and port identification of the main circuit board.

Error Code Table

Comprehensive list of error codes and their meanings.

Troubleshooting

Step-by-step procedures for resolving common system errors.

Appendix to Part 5

Technical data for sensor resistance characteristics.