
6
REFRIGERANT SYSTEM DIAGRAM
MSH-A18ND 
INDOOR UNIT
Refrigerant pipe [12.7 (with heat insulator)
| 
 | Unit:mm | 
INDOOR UNIT
Refrigerant pipe [15.88 (with heat insulator)
| Indoor | Indoor coil | 
| thermistor | |
| heat | RT12 | 
| exchanger | Distributor | 
Room temperature thermistor
RT11
Strainer
#50
Flared connection
Flared connection
| 
 | Indoor coil | 
| Indoor | thermistor | 
| heat | RT12(main) | 
| exchanger | Distributor | 
| 
 | Indoor coil | 
| 
 | thermistor | 
| 
 | RT13(sub) | 
Room temperature thermistor
RT11
Strainer
#50
Flared connection
Flared connection
Refrigerant pipe [6.35 (with heat insulator)
Refrigerant pipe [6.35 (with heat insulator)
 Refrigerant flow in cooling
Refrigerant flow in cooling
 Refrigerant flow in heating
Refrigerant flow in heating
7