Engineering Manual

A-111
MSZ-FE09NA MSZ-FE12NA
Refrigerant flow in cooling
Refrigerant flow in heating
Indoor
heat
exchanger
Flared connection
Room temperature
thermistor
RT11
Flared connection
Refrigerant pipe 3/8( 9.52)
(with heat insulator)
Refrigerant pipe 1/4( 6.35)
(with heat insulator)
Indoor coil
thermistor
RT12 (main)
Indoor coil
thermistor
RT13 (sub)
Indoor
heat
exchanger
Flared connection
Room temperature
thermistor
RT11
Flared connection
Refrigerant pipe ø1/2(ø12.7)
(with heat insulator)
Refrigerant pipe ø1/4(ø6.35)
(with heat insulator)
Indoor coil
thermistor
RT12 (main)
Indoor coil
thermistor
RT13 (sub)
Refrigerant flow in cooling
Refrigerant flow in heating
MSZ-FH15NA MSZ-FH18NA2
Unit: inch (mm)