Mitsubishi Electric MXZ-2D33VA Service Manual page 81

MXZ-6D122VA
R.V.coil
OFF Refrigerant flow in heating
ON Refrigerant flow in cooling
Union
Ø12.7
Indoor unit A
Ø9.52
Indoor unit B
Ø9.52
Indoor unit C
Ø9.52
Indoor unit D
Ø9.52
Indoor unit E
Ø9.52
Indoor unit F
Union
Ø6.35
Strainer #100
Indoor unit A
Strainer #100
Ø6.35
Indoor unit B
Ø6.35 Strainer #100
Indoor unit C
Ø6.35
Strainer #100
Indoor unit D
Ø6.35
Strainer #100
Indoor unit E
Ø6.35
Strainer #100
Indoor unit F
MAX REFRIGERANT PIPING LENGTH
Piping length each indoor unit (a, b, c, d, e)
Total piping length (a+b+c+d+e)
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, 5 unit total)
precharged
(g) 40 m
4,000
200
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 30)
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".
OBH626K
Compressor
Oil separator
High pressure switch
Header(Gas)
4-way valve
Stop valve
(with service port)
Capillary tube
Ø4.0 x Ø2.8 x 100
LEV A
LEV B
Stop valve
LEV C
LEV D
LEV E
LEV F
50 m
60 m
400
600
Outdoor unit union diameter
For
Liquid
Indoor unit A
Gas
Liquid
Indoor unit B
Gas
Liquid
Indoor unit C
Gas
Accumulator
Compressor shell
temperature
thermistor RT62
Capillary tube
2-way
Ø2.5 x Ø0.6 x 1000
solenoid valve
Capillary tube
Strainer Ø4.0 x Ø2.8 x 100
#100
Indoor
units
25 m
80 m
25
80
70 m 80 m
800
1000
6.35(1/4)
Indoor unit D
12.7(1/2)
6.35(1/4)
Indoor unit E
9.52(3/8)
6.35(1/4)
Indoor unit F
9.52(3/8)
81
Charge pipe
Header(Evaporator)
Outdoor
heat exchanger
Outdoor
heat exchanger
temperature
thermistor
RT68
Defrost
temperature
thermistor
RT61
Strainer
Distributor
#50
Strainer
#50
a
f
Outdoor
unit
b
c
d
e
Outdoor unit union diameter
For
Liquid
Gas
Liquid
Gas
Liquid
Gas
UNIT: mm
Ambient
temperature
thermistor
RT65
Max.
Height
difference
15 m
15 m
10 m
UNIT: mm (inch)
6.35(1/4)
9.52(3/8)
6.35(1/4)
9.52(3/8)
6.35(1/4)
9.52(3/8)