Engineering Manual

B-25
MXZ-2C20NAHZ2
R.V.coil
OFF Refrigerant flow in heating
ON Refrigerant flow in cooling
Compressor
Oil separator
High pressure switch
Ø
Sub
muffler
4-way
valve
3/8
Ø3/8
Accumulator
Ø1/4
LEV A
2-way
solenoid valve
Distributor
Strainer
#100
Union
Union
Header(Gas)
Stop valve
Strainer
#100
Header(Evaporator)
Ø1/4
Outdoor
heat exchanger
temperature
thermistor
RT68
Ambient
temperature
thermistor
RT65
Defrost
temperature
thermistor
RT61
Compressor shell
temperature
thermistor RT62
Capillary tube
Capillary tube
O.D.0.10 x I.D.0.02 x 39.37
(Ø2.5 x Ø0.6 x 1000)
Capillary tube
O.D.0.16 x I.D.0.11 x 3.94
(Ø4.0 x Ø2.8 x 100)
Stop valve
(with service port)
Service port
Service port
Outdoor
heat exchanger
Indoor unit A
Indoor
un
it B
Indoor unit A
Indoor unit B
Strainer
#100
LEV B
Strainer
#50
Strainer
#50
Unit: inch (mm)
MXZ-3C24NAHZ2
MXZ-3C30NAHZ2
R. V. coil
OFF Refrigerant flow in heating
ON Refrigerant flow in cooling
Com
pressor
Oil separator
High pressure switch
Ø1/4
Ø1/2
Accumulator
Ø1/4
LEV A
Ø3/8
2-way
solenoid valve
Distributor
Strainer
#100
Union
Union
Header(Gas)
Stop valve
Strainer
#100
Header(Evaporator)
Ø1/4
Ø3/8
Compressor shell
temperature
thermistor RT62
Outdoor
heat exchanger
temperature
thermistor
RT68
Ambient
temperature
thermistor
RT65
Defrost
temperature
thermistor
RT61
Capillary tube
O.D.0.16 x I.D.0.11 x 3.94
(Ø4.0 x Ø2.8 x 100)
Capillary tube
Capillary tube
O.D.0.10 x I.D.0.02 x 39.37
(Ø2.5 x Ø0.6 x 1000)
Indoor unit B
Indoor unit C
Indoor unit A
4-way
valve
Stop valve
(with service port)
Service port
Service port
Outdoo
r
heat exchanger
Indoor unit B
Indoor unit C
Indoor unit A
Strainer
#100
Strainer
#100
LEV B
LEV C
Strainer
#50
Strainer
#50
Sub
muffler