MDV MOB30-12HFN1-MV0W - User Manual

Revision D: 1705, Content updated.
Model Numbers:
Indoor Unit:
CTBU-09HWFN1-M(C); CCA3U-09HRFN1-M(C); CFAU-09HRFN1-M(C)
CTBU-12HWFN1-M(C); CCA3U-12HRFN1-M(C); CFAU-12HRFN1-M(C)
CTBU-18HWFN1-M(C); CCA3U-18HRFN1-M(C); MUEU-18HRFN1-M(C)
CTBU-24HWFN1-M(C); MCD-24HRFN1-M(C); MUEU-24HRFN1-M(C);
CTB-36HWFN1-M(C); MCD-36HRFN1-M(C); MUE-36HRFN1-M(C);
CTB-48HWFN1-M(C); MCD-48HRFN1-M(D); MUE-48HRFN1-M(C);
MTI-18HWFN1-MT0W; MTIU-24HWFN1-MW; MTIU-36HWFN1-MW;
MTIU-48HWFN1-MW; MHG-60HWFN1-MW; MUE-60HRFN1-MW
Outdoor Unit:
MOB30-09HFN1-MX0W; MOB01-09HFN1-MW0W; MOB30-12HFN1-MV0W;
MOB01-12HFN1-MV0W; MOCA30-18HFN1-MT0W; MOCA01-18HFN1-MT0W;
MOD30-24HFN1-MT0W; MOD01-23HFN1-MT0W; MOBA30-09HFN1-MT0W;
MOB30-12HFN1-MT0W; MOCA31-18HFN1-MT0W; MOD31-24HFN1-MT0W;
MOD30U-36HFN1-M; MOE30U-48HFN1-M; MOE30U-60HFN1-M
Light commercial MONO 3D Air
Conditioner
SERVICE MANUAL Mono DC
Table of Contents
1. Precaution
2. Part Names And Functions
3. Dimension
4. Service space
5. Refrigerant Cycle Diagram
6. Wiring Diagram
7. Static Pressure
8. Electric Characteristics
9. Sound Level
10. Accessories
11. The Specification of Power
12. Installation Details
13. Operation Characteristics
14. Electronic Function
15. Solar Panel
16. Troubleshooting
17. Disassembly Instructions
WARNING
 Installation MUST conform with local building codes or, in the absence of local codes, with the
National Electrical Code NFPA70/ANSI C1-1993 or current edition and Canadian Electrical
Code Part1 CSA C.22.1.
 The information contained in the manual is intended for use by a qualified service technician
familiar with safety procedures and equipped with the proper tools and test instruments
 Installation or repairs made by unqualified persons can result in hazards to you and others.
 Failure to carefully read and follow all instructions in this manual can result in equipment
malfunction, property damage, personal injury and/or death.
 This service is only for service engineer to use.

Summary

Precaution

Safety Precaution

Instructions to prevent injury to users and property damage during operation.

Warning

Important warnings regarding installation, operation, and handling of the air conditioner.

Dimension

Service Space

Refrigerant Cycle Diagram

Wiring Diagram

Indoor Unit Wiring Diagrams

Detailed wiring schematics for various indoor unit models.

Outdoor Unit Wiring Diagrams

Detailed wiring schematics for various outdoor unit models.

Electric Characteristics

The Specification of Power

Field Wiring

36 K, 48 K Wiring

60 K Wiring

Installation Details

Location Selection

Guidelines for choosing appropriate locations for indoor and outdoor unit installation.

Indoor Unit Installation Procedures

Detailed steps for installing various indoor unit types like A5 Duct, Cassette, Console, etc.

Outdoor Unit Installation

Procedures for installing the outdoor unit, including service space and bolt pitch.

Refrigerant Pipe Installation

Guidance on pipe length, height drop, connection procedures, and insulation.

Drainage Pipe Installation

Vacuum Drying and Leakage Checking

Procedures for drying the system and checking for refrigerant leaks.

Engineering of Electrical Wiring

Test Operation

Steps for verifying proper operation after installation.

Troubleshooting

Indoor Unit Error Display

Lists error codes and corresponding LED status for indoor unit malfunctions.

Outdoor unit error display

Lists error codes and LED status for outdoor unit malfunctions.

Diagnosis and Solution

Provides diagnostic flowcharts and step-by-step solutions for common error codes.

Main parts check

Disassembly Instructions

MDV MOB30-12HFN1-MV0W Specifications

General

Brand	MDV
Model	MOB30-12HFN1-MV0W
Category	Air Conditioner
Language	English