Outdoor unit union diameter For
Indoor unit A Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit B Liquid 6.35(1/4) Gas 9.52(3/8)
36
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the tables below.
UNIT: mm (inch) Piping length each indoor unit (a, b) 20m
Total piping length (a+b) 30m
Bending point for each unit 20
Total bending point 30
MAX REFRIGERANT PIPING LENGTH
ab
Outdoor unit Indoor
units
15m
10m
15m Refrigerant piping length (one way, 2 unit total)
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 20) Outdoor unit
precharged
(g) 30m
200 20m
1,300 0
Max.Height difference
Outdoor unit union diameter For
Indoor unit A Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit B Liquid 6.35(1/4) Gas 9.52(3/8)
Stop valve
(with strainer #100) LEV A
LEV B
Compressor
Muffler
4-way valve Indoor unit
B
Indoor unit A
Indoor unit A
Indoor unit B
Capillary tube
Capillary tube
Stop valve (with strainer #100)
R.V. coil OFF
ON Refrigerant flow in cooling Refrigerant flow in heating
Discharge temperature thermistor RT62
Stop valve (with service port)
Stop valve (with service port)
Defrost thermistor RT61
Distributor Capillary tube Strainer
#100
Ambient temperature thermistor RT65 Outdoor heat
exchanger temperature thermistor
RT68 FAN-OUT
HEX-OUT
Sub muffler
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
37
Stop valve
(with strainer #100) LEV A
LEV B
Compressor
Defrost thermistor RT61
Distributor Muffler
4-way valve Indoor unit
B
Indoor unit A
Indoor unit A
Indoor unit B
Capillary tube Capillary tube
Capillary tube
Strainer
#100
Stop valve (with strainer #100) R.V. coil
OFF
ON Refrigerant flow in cooling Refrigerant flow in heating
Ambient temperature thermistor RT65 Outdoor heat
exchanger temperature thermistor
RT68 FAN-OUT
HEX-OUT
Discharge temperature thermistor RT62
Stop valve (with service port)
Stop valve (with service port)
Sub muffler
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the tables below.
UNIT: mm (inch) Piping length each indoor unit (a, b) 20m
Total piping length (a+b) 30m
Bending point for each unit 20
Total bending point 30
UNIT: mm
MXZ-2C52VA
MAX REFRIGERANT PIPING LENGTH
ab
Outdoor unit Indoor
units
15m
10m
15m Refrigerant piping length (one way, 2 unit total)
Calculation : Xg = 20 g/m x (Refrigerant piping length(m) - 20) Outdoor unit
precharged
(g) 30m
200 20m
1,300 0
Max.Height difference
Outdoor unit union diameter For
Indoor unit A Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit B Liquid 6.35(1/4) Gas 9.52(3/8) It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
38
Strainer
#100
Power receiver LEV A
LEV B
LEV C
Oil separator Compressor
Defrost thermistor RT61
Distributor Muffler
4-way valve
LEV E Indoor unit
C Indoor unit
B Indoor unit
A
Indoor unit A
Indoor unit B
Indoor unit C
Capillary tube Capillary tube
Capillary tube
Capillary tube
Capillary tube
Discharge temperature thermistor RT62
Strainer
#100
Strainer
#100 Strainer
#100 R.V. coil
OFF
ON Refrigerant flow in cooling Refrigerant flow in heating
Ambient temperature thermistor RT65 Outdoor heat
exchanger temperature thermistor RT68
FAN-OUT
HEX-OUT
Strainer
#100 Stop valve with service port
Stop valve High-pressure switch (MXZ-3C68VA only)
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the tables below.
When diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe.
For further information on Different-diameter pipe, refer to "PARTS CATALOG".
UNIT: mm (inch)
MAX REFRIGERANT PIPING LENGTH
Outdoor unit union diameter For
Indoor unit A Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit B Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit C Liquid 6.35(1/4) Gas 9.52(3/8) a
b
c
Outdoor unit Indoor
units
15m
10m 15m Refrigerant piping length (one way, 3 unit total)
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 40)
Max.Height difference
Outdoor unit precharged
(g) 50m
200
60m 400 40m
2,700 0
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
3C54 3C68
Piping length each indoor unit (a, b, c) 25m 25m
Total piping length (a+b+c) 50m 60m
Bending point for each unit 25 25
Total bending point 50 50
39
UNIT: mm
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the tables below.
When diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe.
For further information on Different-diameter pipe, refer to "PARTS CATALOG". UNIT: mm (inch) Piping length each indoor unit (a, b, c, d) 25m
Total piping length (a+b+c+d) 60m
Bending point for each unit 25
Total bending point 60
MXZ-4C71VA
MAX REFRIGERANT PIPING LENGTH
Outdoor unit union diameter For
Indoor unit A Liquid 6.35(1/4) Gas 12.7(1/2) Indoor unit B Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit C Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit D Liquid 6.35(1/4) Gas 9.52(3/8)
Indoor unit D
Power receiver LEV A
LEV B
LEV C
LEV D
Oil separator Compressor
Muffler
4-way valve
LEV E Indoor unit
C Indoor unit
B Indoor unit
A
Indoor unit A Indoor unit
B Indoor unit
C Indoor unit
D
Capillary tube
Capillary tube
Discharge temperature thermistor RT62
Strainer
#100 Strainer
#100
Strainer
#100 Strainer
#100
Strainer
#100 R.V. coil
OFF
ON Refrigerant flow in cooling Refrigerant flow in heating
Distributor
HEX-OUT
Outdoor heat exchanger temperature thermistor RT68
Defrost thermistor RT61 Capillary tube
Ambient temperature thermistor RT65 FAN-OUT
Strainer
#100 Stop valve with service port
Stop valve High-pressure switch
a
b
c
d
Outdoor unit Indoor
units
15m
10m 15m Refrigerant piping length (one way, 4 unit total)
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 40)
Max.Height difference
Outdoor unit precharged
(g) 50m
200 40m
2,700 0
60m 400 It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
40
a
b
c
d
Outdoor unit Indoor
units
15m 15m
10m Refrigerant piping length (one way, 4 unit total)
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 40)
Max.Height difference
Outdoor unit precharged
(g) 50m
200 40m
3,500 0
60m 400
70m 600
Indoor unit
D Stop valve
(with service port)
Stop valve
Power receiver LEV A
LEV B
LEV C
LEV D
Oil separator Compressor
Muffler
4-way valve
LEV F Indoor unit
C Indoor unit
B Indoor unit
A
Indoor unit A Indoor unit
B Indoor unit
C Indoor unit
D
Capillary tube
Capillary tube
Discharge temperature thermistor RT62 High-pressure
switch
Strainer
#100 Strainer
#100
Strainer
#100 Strainer
#100
Strainer
#100 R.V. coil
OFF
ON Refrigerant flow in cooling Refrigerant flow in heating
Strainer
#100 Distributor
Outdoor heatexchanger
Capillary tube Defrost thermistor RT61
Outdoor heat exchanger temperature thermistor RT68
Ambient temperature thermistor RT65
HEX-OUT
FAN-OUT
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the tables below.
When diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe.
For further information on Different-diameter pipe, refer to "PARTS CATALOG". UNIT: mm (inch) Piping length each indoor unit (a, b, c, d) 25m
Total piping length (a+b+c+d) 70m
Bending point for each unit 25
Total bending point 70
MAX REFRIGERANT PIPING LENGTH
Outdoor unit union diameter For
Indoor unit A Liquid 6.35(1/4) Gas 12.7(1/2) Indoor unit B Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit C Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit D Liquid 6.35(1/4) Gas 9.52(3/8) It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
41
a
b c
d
Outdoor unit Indoor
units
15m
10m 15m Refrigerant piping length (one way, 5 unit total)
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 40)
e
Max.Height difference
Outdoor unit precharged
(g) 50m
200 40m
4,000 0
60m 400
70m 600
80m 800
Indoor unit
E Stop valve
(with service port)
Stop valve
Power receiver LEV A
LEV B
LEV C
LEV D
Oil separator Compressor
Muffler
4-way valve
LEV F Indoor unit
D Indoor unit
C Indoor unit
B
Indoor unit A Indoor unit
B Indoor unit
C Indoor unit
D Indoor unit
A
Capillary tube
Capillary tube
Discharge temperature thermistor RT62
Strainer
#100 Strainer
#100
Strainer
#100 Strainer
#100
Strainer
#100
LEV E Indoor unit
E Strainer
#100 R.V. coil
OFF
ON Refrigerant flow in cooling Refrigerant flow in heating
Strainer
#100 Distributor
Outdoor heatexchanger
Capillary tube Defrost thermistor RT61
Outdoor heat exchanger temperature thermistor RT68
Ambient temperature thermistor RT65 High-pressure
switch
HEX-OUT
FAN-OUT
MXZ-5C100VA MXZ-5C100VA2
UNIT: mmRefrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the tables below.
When diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe.
For further information on Different-diameter pipe, refer to "PARTS CATALOG". UNIT: mm (inch) Piping length each indoor unit (a, b, c, d,e) 25m
Total piping length (a+b+c+d+e) 80m
Bending point for each unit 25
Total bending point 80
MAX REFRIGERANT PIPING LENGTH
Outdoor unit union diameter For
Indoor unit A Liquid 6.35(1/4) Gas 12.7(1/2) Indoor unit B Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit C Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit D Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit E Liquid 6.35(1/4) Gas 9.52(3/8) It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
42
a
b c
d
Outdoor unit Indoor
units
15m
10m 15m Refrigerant piping length (one way, 6 unit total)
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 60)
e
Max.Height difference
f Outdoor unit
precharged
(g) 50m
0 40m
5,000 0
60m 0
70m 200
80m 400
Indoor unit
E Stop valve
(with service port)
Stop valve
Power receiver LEV A
LEV B
LEV C
LEV D
Oil separator Compressor
Muffler 4-way valve
LEV M Indoor unit
D Indoor unit
F
Indoor unit C Indoor unit
B
Indoor unit A Indoor unit
B Indoor unit
C Indoor unit
D Indoor unit
A
Solenoid valve
Capillary tube
Discharge temperature thermistor RT62
Strainer
#100
Strainer
#100 Strainer
#100
Strainer
#100
LEV E Indoor unit
E Strainer
#100
LEV F Indoor unit
F Strainer
#100 R.V. coil
OFF
ON Refrigerant flow in cooling Refrigerant flow in heating
Strainer
#100 Distributor
Outdoor heatexchanger
Capillary tube Defrost thermistor RT61
2.4
3.6 500
Outdoor heat exchanger temperature thermistor RT68
Ambient temperature thermistor RT65 High-pressure
switch
Capillary tube 2.4
3.6 600
HEX-OUT
FAN-OUT Capillary tube
Strainer #50
Refrigerant pipe diameter is different according to indoor unit to be connected.
For the diameter of connection pipe of the indoor unit, refer to the indoor unit installation manual.
When diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe.
For further information on Different-diameter pipe, refer to "PARTS CATALOG".
Piping length each indoor unit (a, b, c, d, e, f) 25m
Total piping length (a+b+c+d+e+f) 80m
Bending point for each unit 25
Total bending point 80
MAX REFRIGERANT PIPING LENGTH
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
UNIT: mm (inch) Outdoor unit union diameter
For
Indoor unit D Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit E Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit F Liquid 6.35(1/4) Gas 9.52(3/8) UNIT: mm (inch)
Outdoor unit union diameter For
Indoor unit A Liquid 6.35(1/4) Gas 12.7(1/2) Indoor unit B Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit C Liquid 6.35(1/4) Gas 9.52(3/8)
43
a
b c
d
Outdoor unit Indoor
units
15m
10m 15m Refrigerant piping length (one way, 6 unit total)
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 60)
e
Max.Height difference
f Outdoor unit
precharged
(g) 50m
0 40m
4,800 0
60m 0
70m 200
80m 400
Indoor unit
E Stop valve
(with service port)
Stop valve LEV A
LEV B
LEV C
LEV D
Oil separator Compressor
Muffler 4-way valve
LEV M Indoor unit
D Indoor unit
F
Indoor unit C Indoor unit
B
Indoor unit A Indoor unit
B Indoor unit
C Indoor unit
D Indoor unit
A
Solenoid valve
Capillary tube
Discharge temperature thermistor RT62
Strainer
#100
Strainer
#100 Strainer
#100
Strainer
#100
LEV E Indoor unit
E Strainer
#100
LEV F Indoor unit
F Strainer
#100 R.V. coil
OFF
ON Refrigerant flow in cooling Refrigerant flow in heating
Strainer
#100 Distributor
Strainer #50 Outdoor heatexchanger
Defrost thermistor RT61 Outdoor heat exchanger temperature thermistor RT68
Ambient temperature thermistor RT65 High-pressure
switch
Capillary tube 2.4
3.6 500
HEX-OUT
FAN-OUT Capillary tube
Accumulator
Capillary tube 2.4
3.6 300
Capillary tube 2.4
3.6 600
MXZ-6C120VA -
E2MXZ-6C122VA
UNIT: mmRefrigerant pipe diameter is different according to indoor unit to be connected.
For the diameter of connection pipe of the indoor unit, refer to the indoor unit installation manual.
When diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe.
For further information on Different-diameter pipe, refer to "PARTS CATALOG".
Piping length each indoor unit (a, b, c, d, e, f) 25m
Total piping length (a+b+c+d+e+f) 80m
Bending point for each unit 25
Total bending point 80
MAX REFRIGERANT PIPING LENGTH
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
UNIT: mm (inch) Outdoor unit union diameter
For
Indoor unit D Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit E Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit F Liquid 6.35(1/4) Gas 9.52(3/8) UNIT: mm (inch)
Outdoor unit union diameter For
Indoor unit A Liquid 6.35(1/4) Gas 12.7(1/2) Indoor unit B Liquid 6.35(1/4) Gas 9.52(3/8) Indoor unit C Liquid 6.35(1/4) Gas 9.52(3/8)
44