6
REFRIGERANT SYSTEM DIAGRAM
MSZ-FH09NA MSZ-FH12NA
MSZ-FH15NA
OBH683B
Refrigerant pipe ø3/8
(with heat insulator)
Indoor coil
Indoor
thermistor
heat
RT12 (main)
exchanger
Indoor coil
thermistor
RT13 (sub)
Room temperature
thermistor
RT11
Refrigerant pipe ø1/4
(with heat insulator)
Refrigerant pipe ø1/2
(with heat insulator)
Indoor coil
Indoor
thermistor
heat
RT12 (main)
exchanger
Indoor coil
thermistor
RT13 (sub)
Room temperature
thermistor
RT11
Refrigerant pipe ø1/4
(with heat insulator)
Flared connection
Flared connection
Refrigerant flow in cooling
Refrigerant flow in heating
Flared connection
Flared connection
Refrigerant flow in cooling
Refrigerant flow in heating
8
Unit: inch