RevisionA:1403100001,Contentupdated.
ModelNumbers:
MWNC09S/MRNC09AS,MWHNC09S/MRHNC09AS,MWHNC09SA/MRHNC09ASA
MWNC12S/MRNC12AS,MWHNC12S/MRHNC12AS,MWH NC12SA/MRHNC12ASA
MWNC18S/MRNC18AS,MWHNC18S/MRHNC18AS,
MWNC24S/MRNC24AS,MWHNC24S/MRHNC24AS
COMFORT SERIES DC INVERTER AIR
CONDITIONER
SERVICE MANUAL
Mono DC
Table of Contents
1. Precaution
2. Part Names And Functions
3. Specification
4. Dimension
5. Refrigerant Cycle Diagram
6. Wiring Diagram
7. Installation Details
8. Operation Characteristics
9. Electronic Function
10. Troubleshooting
11. 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.
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General