Refrigerant System Diagram - Mitsubishi Electric MXZ-18NV Service Manual

8

REFRIGERANT SYSTEM DIAGRAM

8.1 REFRIGERANT SYSTEM DIAGRAM
MXZ-18NV - MXZ-18NV -
E1
Indoor unit
A
Indoor unit
B
Indoor unit
A
Indoor unit
B
MXZ-32NV - MXZ-32NV -
E1
Unit D gas pipe temperature thermistor
Indoor unit
D
Unit C gas pipe temperature thermistor
Indoor unit
C Unit B gas pipe temperature
thermistor [12
Indoor unit
B
Unit A gas pipe
temperature thermistor
[12
Indoor unit
A
Indoor unit
A
Strainer
Indoor unit
B
Strainer
Indoor unit
C
Strainer
Indoor unit
D
Strainer
E2
Service
port
(high pressure)
Gas pipe
Ball valve
thermistor
9.52
9.52
Gas pipe
thermistor
Capillary
tube
4.0X
6.35
Expansion
2.4X
Strainer
valve(LEV)
300
Capillary
6.35
tube
Expansion
Strainer
4.0X
valve(LEV)
2.4X
300
E2
Compressor
High pressure
switch 1
High pressure
switch 2
Oil
separator
[9.52
Ball valve with
service port
[9.52
[16
Ball valve with
[6
service port
LEV Strainer
[6
LEV Strainer
[6
Distributor
LEV Strainer
[6
LEV Strainer
Compressor
Discharge
temperature
thermistor
RT62
Muffler
High pressure
switch
Reversing
valve
Suction temperature
thermistor
RT66
Ball valve with
2.0X 0.6X500
service port
9.52
Low pressure switch
Suction
temperature
thermistor
Discharge
temperature
thermistor
Capillary tube
[2.5 [0.6 1000
Capillary tube
[3.0 [2.0 500
2-way-valve
Reversing valve
[16
[9.52
Refrigerant flow in cooling
Refrigerant flow in heating
Service
port
(Low pressure)
Charge port
Evaporation
temperature
thermistor
RT67
Capillary
tube
Defrost
thermistor
RT61
Strainer
R.V. coil
heating ON
cooling OFF
Refrigerant flow in cooling
Refrigerant flow in heating
[16
R.V. coil
heating ON
Accumlator
cooling OFF
Capillary tube
[3.0 [2.0 500
Evaportation
temperature
thermistor
(RT67)
Capillary tube
[2.5 [0.6 750
Defrost
thermistor
Strainer
Unit:mm
Outdoor
heat
exchanger
Capillary
tube
4.0X
2.4X
400
Outdoor
heat
exchanger
Capillary tube
[4.0 [2.4 400
Distributor
15