Mitsubishi Electric MXZ-2C30VA Service Manual page 43

MXZ-4C80VA MXZ-4C80VA2
R.V. coil
Refrigerant flow in cooling
OFF
ON Refrigerant flow in heating
Indoor unit
D
Indoor unit
C
Indoor unit
B
Indoor unit
A
Indoor unit
A
Indoor unit
B
Indoor unit
C
Indoor unit
D
MAX REFRIGERANT PIPING LENGTH
Piping length each indoor unit (a, b, c, d)
Total piping length (a+b+c+d)
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, 4 unit total)
precharged
(g) 40m
3,500
0
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 40)
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".
OBH584G
High-pressure
switch
Oil separator
Stop valve
(with service port)
Muffler
Capillary tube
LEV A
Strainer
#100
Stop valve
LEV B
Strainer
#100
Strainer
LEV C
#100
LEV D
Strainer
#100
50m
60m
200
400
Compressor
Discharge
temperature
thermistor RT62
Capillary tube
4-way valve
Strainer
LEV F
#100
Power
receiver
Indoor
units
25m
a
70m
25
70
b
c
70m
d
600
For
Indoor unit A
Indoor unit B
Indoor unit C
Indoor unit D
43
Outdoor
heat
exchanger
Outdoor heat
exchanger
temperature
thermistor
RT68
Defrost
thermistor
RT61
Capillary tube
Strainer
Distributor
#100
Max.
Height
difference
Outdoor
unit
15m
10m
UNIT: mm (inch)
Outdoor unit union diameter
Liquid
Gas
Liquid
Gas
Liquid
Gas
Liquid
Gas
UNIT: mm
FAN-OUT
Ambient
temperature
thermistor
RT65
15m
6.35(1/4)
12.7(1/2)
6.35(1/4)
9.52(3/8)
6.35(1/4)
9.52(3/8)
6.35(1/4)
9.52(3/8)