Engineering Manual

B-175
6
REFRIGERANT SYSTEM DIAGRAM
Unit: inch(mm)
6-1. INDOOR UNIT
Indoor
heat
exchanger
Flared connection
Room temperature
thermistor
RT11
Indoor coil
thermistor
RT13 (sub)
Flared connection
Refrigerant pipe Ø3/8(Ø9.52)
(with heat insulator)
Refrigerant pipe Ø1/4(Ø6.35)
(with heat insulator)
Indoor coil
thermistor
RT12 (main)
Indoor
heat
exchanger
Flared connection
Room temperature
thermistor
RT11
Indoor coil
thermistor
RT13 (sub)
Flared connection
Refrigerant flow in cooling
Refrigerant flow in heating
Refrigerant pipe Ø1/2(Ø12.7)
(with heat insulator)
Refrigerant pipe Ø1/4(Ø6.35)
(with heat insulator)
Indoor coil
thermistor
RT12,RT14,
RT15 (main)
MLZ-KP09NA
MLZ-KP12NA
MLZ-KP18NA