Content 
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Content 
 
 
1.  Precaution....................................................................................................................1 
1.1  Safety Precaution.........................................................................................................................1 
1.2  Warning.........................................................................................................................................1 
2.  Function........................................................................................................................3 
3.  Dimension.....................................................................................................................5 
3.1  Indoor unit.....................................................................................................................................5 
3.2  Outdoor unit..................................................................................................................................6 
4.  Specification.................................................................................................................7 
5.  Refrigerant cycle diagram...........................................................................................9 
6.  Operation limits..........................................................................................................10 
6.1  Cooling operation........................................................................................................................10 
6.2  Heating operation.......................................................................................................................10 
7.  Schematic diagram and Wiring diagram..................................................................12 
7.1.  Schematic diagram.....................................................................................................................12 
7.2.  Wiring diagram............................................................................................................................13 
8.  Installation details......................................................................................................17 
8.1  Wrench torque sheet for installation...........................................................................................17 
8.2  Connecting the cables................................................................................................................17 
8.3  Pipe length and the elevation.....................................................................................................17 
8.4  Air purging of the piping and indoor unit....................................................................................18 
8.5  Pumping down (Re-installation)..................................................................................................19 
8.6  Re-air purging (Re-installation)...................................................................................................20 
8.7  Balance refrigerant of the 2-way, 3-way valves..........................................................................21 
8.8  Evacuation..................................................................................................................................23 
8.9  Gas charging..............................................................................................................................24 
9.  Pressure table............................................................................................................25 
9.1  MSE-07CR..................................................................................................................................25 
9.2  MSE-07HR..................................................................................................................................25 
9.3  MSE-09CR..................................................................................................................................26 
9.4  MSE-09HR..................................................................................................................................26 
9.5  MSE-12CR..................................................................................................................................27 
9.6  MSE-12HR..................................................................................................................................27 
9.7  MSE-18CR..................................................................................................................................28 
9.8  MSE-18HR..................................................................................................................................28 
10.  Capacity table.............................................................................................................29 
10.1  MSE-07CR..................................................................................................................................29 
10.2  MSE-07HR..................................................................................................................................29