SEZ Ducted Heat Pump Systems (August 2014)
SEZ-21
© 2014 Mitsubishi Electric US, Inc.
Due to continuing improvement, above specification may be subject to change without notice.
3-5. REFRIGERANT SYSTEM DIAGRAMS
SUZ-KA12NA.TH SUZ-KA15NA.TH
Outdoor
heat
exchanger
Flared connection
Defrost
thermistor
RT61
Discharge
temperature
thermistor
RT62
Flared connection
Stop valve
(with strainar)
Stop valve
(with service port)
Refrigerant flow in cooling
Compressor
4-way valve
Refrigerant flow in heating
Refrigerant pipe ø3/8
(KA12)
Refrigerant pipe ø1/2
(KA15)
(with heat insulator)
Refrigerant pipe ø1/4
(with heat insulator)
R.V. coil
heating ON
cooling OFF
Strainer
#100
Capillary tube
O.D. 0.118
× I.D. 0.071
× 23-5/8
(ø3.0
× ø1.8
× 600) (×2)
LEV
Ambient
temperature
thermistor
RT65
Muffler
Capillary tube
O.D. 0.118
×
I.D. 0.079
×
9-7/16
(
ø
3.0
× ø
2.0
×
240)
Outdoor heat
exchanger
temperature
thermistor
RT68
Muffler
Service port
Service port
SUZ-KA18NA.TH
Outdoor
heat
exchanger
Flared connection
Defrost
thermistor
RT61
Discharge
temperature
thermistor
RT62
Flared connection
Stop valve
(with strainar)
Stop valve
(with service port)
Capillary tube
O.D. 0.142
× I.D. 0.094
× 1-31/32
(ø
3.6
×ø
2.4
×
50)
Refrigerant flow in cooling
Compressor
4-way valve
Refrigerant flow in heating
Refrigerant pipe
ø
1/2
(with heat insulator)
Refrigerant pipe
ø
1/4
(with heat insulator)
LEV
R.V. coil
heating ON
cooling OFF
Muffler
#100
Receiver
Outdoor heat
exchanger
temperature
thermistor
RT68
Ambient
temperature
thermistor
RT65
Strainer
#100
Service port
Service port