Refrigerant System Diagram - Mitsubishi Electric MUZ-FE09NA Service Manual

6

REFRIGERANT SYSTEM DIAGRAM

MUZ-FE09NA MUZ-FE09NAH MUZ-FE12NA MUZ-FE12NA1 MUZ-FE12NAH
Refrigerant pipe ø3/8
(with heat insulator)
Flared connection
Flared connection
Refrigerant pipe ø1/4
(with heat insulator)
MUZ-FE18NA
Refrigerant pipe ø 5/8
(with heat insulator)
Flared connection
Flared connection
Refrigerant pipe ø 3/8
(with heat insulator)
OBH543G
4-way valve
Muffler
Stop valve
(with service port)
Discharge
temperature
thermistor
RT62
Service
port
Stop valve
(with strainer)
Capillary tube
O.D. 0.118 × I.D. 0.079× 9-7/16
(ø3.0 × ø2.0 × 240)
Muffler
#100
4-way valve
Stop valve
(with service port)
Discharge
temperature
thermistor
Service
RT62
port
Compressor
Strainer
#100
Stop valve Capillary tube
O.D. 0.157 × I.D. 0.094× 3-15/16
(ø4.0×ø2.4×100)
9
Outdoor
Muffler
heat
exchanger
Service
port
Compressor
Defrost
thermistor
RT61
Capillary tube
O.D. 0.118 × I.D. 0.071
× 23-5/8
(ø3.0 × ø1.8 × 600)
Expansion
valve
Refrigerant flow in cooling
Refrigerant flow in heating
Service
port
Outdoor
heat
exchanger
Defrost
thermistor
RT61
Outdoor heat
exchanger
temperature
thermistor
RT68
LEV
Strainer
R.V. coil
#100
heating ON
cooling OFF
Refrigerant flow in cooling
Refrigerant flow in heating
Unit: inch
Outdoor heat
exchanger
temperature
thermistor
RT68
Ambient
temperature
thermistor
RT65
Strainer
#100
R.V. coil
heating ON
cooling OFF
Ambient
temperature
thermistor
RT65