Engineering Manual

A-108
6-1. INDOOR UNIT
6
REFRIGERANT SYSTEM DIAGRAM
MS-A09WA MS-A12WA
Indoor
heat
exchanger
Flared connection
Room temperature
thermistor
RT11
Flared connection
Refrigerant flow in cooling
Refrigerant pipe 3/8( 9.52) (MS-A09WA)
1/2( 12.7) (MS-A12WA)
(with heat insulator)
Refrigerant pipe 1/4( 6.35)
(with heat insulator)
Indoor coil
thermistor
RT12
Unit: inch (mm)
Indoor
heat
exchanger
Flared connection
Room temperature
thermistor
RT11
Flared connection
Refrigerant pipe ø3/8 (ø9.52) (MSZ-GL06/09/12NA, MSY-GL09/12NA)
ø1/2 (ø12.7) (MSZ-GL15NA, MSY-GL15NA)
(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-GL06NA MSZ-GL09NA MSZ-GL12NA MSZ-GL15NA
MSY-GL09NA MSY-GL12NA MSY-GL15NA