Engineering Manual

A-120
Outdoor
heat
exchanger
Flared connection
Defrost
thermistor
RT61
Discharge
temperature
thermistor
RT62
Flared connection
Stop valve
(with strainer)
Refrigerant flow in cooling
Compressor
4-way valve
Refrigerant flow in heating
Refrigerant pipe ø1/4 (ø6.35)
(with heat insulator)
R.V. coil
heating ON
cooling OFF
Strainer
#100
LEV
Ambient
temperature
thermistor
RT65
Muffler
Capillary tube
O.D. 0.157 ×
I.D. 0.094
× 9-7/16
(
ø4.0 × ø2.4 × 240
)
Outdoor heat
exchanger
temperature
thermistor
RT68
Capillary tube
O.D. 0.118 ×
I.D. 0.079 × 8-9/32
(ø3.0 × ø2.0 × 210)
Service
port
Service
port
Refrigerant pipe ø1/2 (ø12.7)
(with heat insulator)
Stop valve
(with service port)
Muffler
MUZ-HM15NA MUZ-HM18NA
Unit: Inch (mm)
MUZ-HM24NA
Outdoor
heat
exchanger
Flared connection
Defrost
thermistor
RT61
Discharge
temperature
thermistor
RT62
Flared connection
Stop valve
Capillary tube
O.D. 0.157×
I.D. 0.094×
3-15/16
4.0
×
ø
2.4
×
100)
Capillary tube
O.D. 0.157×
I.D. 0.094×7-7/8
4.0
×
ø
2.4
×
200)
Refrigerant flow in cooling
Compressor
4-way
valve
Refrigerant flow in heating
Refrigerant pipe
ø5/8
(
ø
15.88)
(with heat insulator)
Refrigerant pipe
ø3/8
(
ø
9.52)
(with heat insulator)
LEV
R.V. coil
heating ON
cooling OFF
Muffler
with #100 mesh strainer
Strainer
#100
Outdoor heat
exchanger
temperature
thermistor
RT68
Strainer
#100
Muffler
Capillary tube
O.D. 0.118×
I.D. 0.079× 7-7/8
(ø3.0×ø2.0×200(×4))
Stop valve
(with service port)
Service
port
Service port