Refrigerant System Diagram - Mitsubishi Electric MUZ-GL09NA-U1 Service Manual

6

REFRIGERANT SYSTEM DIAGRAM

MUZ-GL09NA MUZ-GL09NAH MUY-GL09NA
MUZ-GL12NA MUZ-GL12NAH MUY-GL12NA
MUZ-GL15NA MUZ-GL15NAH MUY-GL15NA
Refrigerant pipe ø3/8 (ø9.52) (GL09/12)
ø1/2 (ø12.7) (GL15)
(with heat insulator)
Flared connection
Flared connection
Refrigerant pipe ø1/4 (ø6.35)
(with heat insulator)
MUZ-GL18NA MUZ-GL18NAH MUY-GL18NA
Refrigerant pipe ø1/2 ( ø 12.7)
(with heat insulator)
Flared connection
Flared connection
Refrigerant pipe ø1/4 ( ø 6.35)
(with heat insulator)
OBH733D
4-way valve
Muffler
Stop valve
(with service port)
Discharge
temperature
Service
thermistor
port
RT62
Capillary tube
O.D. 0.118 ×
I.D. 0.079 × 9-7/16
(ø3.0 × ø2.0 × 240)
(MUZ-GL09NA/H -
Capillary tube
O.D. 0.157 ×
I.D. 0.094 × 9-7/16
(ø4.0 × ø2.4 × 240)
(Other models )
Stop valve
(with strainar)
4-way
valve
Stop valve
(with service port)
Discharge
temperature
Service
thermistor
port
RT62
Muffler
Strainer
#100
Capillary tube
Stop valve
O.D. 0.157×
I.D. 0.094×
3-15/16
(ø4.0×ø2.4×100)
Muffler
Service
port
Compressor
Defrost
thermistor
RT61
(MUZ)
Capillary tube
)
U1 O.D. 0.118 ×
I.D. 0.079 × 8-9/32
(ø3.0 × ø2.0 × 210)
LEV
Refrigerant flow in cooling
Refrigerant flow in heating (MUZ)
Muffler
with #100 mesh strainer
Service port
Compressor
Capillary tube
O.D. 0.118×
I.D. 0.079× 7-7/8
(ø3.0×ø2.0×200(×4))
LEV
Strainer
#100
Capillary tube
O.D. 0.157×
I.D. 0.094×7-7/8
(ø4.0×ø2.4×200)
21
Outdoor heat
exchanger
temperature
thermistor
Outdoor
RT68
heat
exchanger
Ambient
temperature
thermistor
RT65
Strainer
#100
R.V. coil (MUZ)
heating ON
cooling OFF
Outdoor
heat
Defrost
exchanger
thermistor
RT61
(MUZ)
Outdoor heat
exchanger
temperature
thermistor
RT68
R.V. coil (MUZ)
heating ON
cooling OFF
Refrigerant flow in cooling
Refrigerant flow in heating (MUZ)
Unit: Inch (mm)