Revision O: 2103, Content updated. 
Model Numbers: 
Indoor Unit: 
MCA3U-09HRFN1-M(C); MCA3U-12HRFN1-M(C); MCA3U-18HRFN1-M(C); 
MFAU-12HRFN1-M(C); MCD-24HRFN1-M(C); MCD-36HRFN1-M(C);   
MCD-48HRFN1-M(D); MUEU-18HRFN1-M(C); MUEU-24HRFN1-M(C); MUE-36HRFN1-M(C); 
MUE-48HRFN1-M(C); MUE-60HRFN1-MW; MTIU-09HWFN1-M, MTIU-12HWFN1-M; 
MTIU-18HWFN1-M; MTIU-24HWFN1-M; MTI-36HWFN1-M; MTI-48HWFN1-M; 
MHG-60HWFN1-MW; MCD1-24HRFN1-MT0W(GA) 
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; MOE30U-36HFN1-M-[X] 
MOE30U-48HFN1-M-[X]; MOD30U-36HFN1-MP0; MOE30U-48HFN1-MP0 
MOX230-09HFN1-MW5W; MOX330-09HFN1-MY5W; MOX230-12HFN1-MV5W; 
MOX330-12HFN1-MW5W, MOX430-17HFN1-MT0W, MOD30-24HFN1-MU0W, 
MOD33-24HFN1-MT0W 
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.  Fan Curves 
8.  Air Velocity Distributions 
9.  Electric Characteristics 
10.  Sound Level 
11.  Accessories 
12.  The Specification of Power 
13.  Field Wiring 
14.  Installation Details 
15.  Operation Characteristics 
16.  Electronic Function 
17.  Troubleshooting 
18.  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.