Mitsubishi Electric MXZ-3C54VA Service Manual page 26

MXZ-6C120VA
R.V. coil
Refrigerant flow in cooling
OFF
ON Refrigerant flow in heating
Indoor unit
F
Indoor unit
E
Indoor unit
D
Indoor unit
C
Indoor unit
B
Indoor unit
A
Indoor unit
A
Indoor unit
B
Indoor unit
C
Indoor unit
D
Indoor unit
E
Indoor unit
F
MAX REFRIGERANT PIPING LENGTH
Piping length each indoor unit (a, b, c, d, e, f)
Total piping length (a+b+c+d+e+f)
Bending point for each unit
Total bending point
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
Outdoor unit
Refrigerant piping length (one way, 6 unit total)
precharged
(g) 40m
5,000
0
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 60)
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".
Outdoor unit union diameter
For
Indoor unit A
Indoor unit B
Indoor unit C
Oil separator
High-pressure
switch
Stop valve
(with service port)
Capillary tube
Strainer LEV A
#100
Stop valve
LEV B
Strainer
#100
Strainer LEV C
#100
LEV D
Strainer
#100
LEV E
Strainer
#100
LEV F
Strainer
#100
50m
60m
0
0
Liquid 6.35(1/4)
Gas 12.7(1/2)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Compressor
Discharge
temperature
thermistor RT62
Solenoid valve
Capillary tube
4-way
valve
Muffler
Strainer
LEV M
#100
Power
receiver
Indoor
units
25m
80m
25
80
70m
80m
200
400
Outdoor unit union diameter
For
Indoor unit D
Indoor unit E
Indoor unit F
26
Capillary tube
3.6 2.4 600
Strainer
#50
Distributor
a
Outdoor
b
unit
c
d
e
UNIT: mm (inch)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)
UNIT: mm
FAN-OUT
Outdoor
Ambient
heat temperature
thermistor
exchanger
RT65
Outdoor heat
exchanger
temperature
thermistor
RT68
Defrost
thermistor
RT61
Capillary tube
3.6 2.4 500
Max.
Height
difference
15m
15m
10m
f