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6
REFRIGERANT SYSTEM DIAGRAM
NTXFKS09A112AA NTXFKS12A112AA NTXFKS15A112AA NTXFKS18A112AA
Indoor
heat
exchanger
Refrigerant flow in cooling
Refrigerant flow in heating
OBHT752
Distributor
Indoor coil
thermistor
RT12, RT14,
RT15
(main)
RT13 (sub)
Room temperature
thermistor
RT11
Refrigerant pipe
3/8 ( 9.52) (NTXFKS09A/12A)
1/2 ( 12.7) (NTXFKS15A/18A)
(with heat insulator)
Flared connection
Flared connection
Refrigerant pipe
1/4 ( 6.35)
(with heat insulator)
9
Unit: inch (mm)
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