Mitsubishi Electric MXZ-2D33VA-E1 Service Manual page 29

MXZ-2D53VA MXZ-2D53VAH
R.V. coil
Refrigerant flow in cooling
OFF
ON Refrigerant flow in heating
Indoor unit
B
Stop valve
(with service port)
Indoor unit
A
Stop valve
(with service port)
Indoor unit
A
Indoor unit
B
MAX REFRIGERANT PIPING LENGTH
Piping length each indoor unit (a, b)
Total piping length (a+b)
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, 2 unit total)
precharged
(g)
1,300
Calculation : Xg = 20 g/m x (Refrigerant piping length(m) - 20)
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the
tables below.
OBH626B
Capillary tube
LEV A
Stop valve
(with strainer #100)
Capillary tube
LEV B
Stop valve
(with strainer #100)
30m
20m
0 200
Compressor
Discharge
temperature
thermistor RT62
Muffler
4-way valve
Sub muffler
Indoor
units
20 m
30 m
20
30
29
Outdoor heat
exchanger
temperature
thermistor
RT68
Strainer
#100
Distributor
a
Outdoor
unit
b
Outdoor unit union diameter
For
Liquid
Indoor unit A
Gas
Liquid
Indoor unit B
Gas
UNIT: mm
FAN-OUT
Ambient
temperature
thermistor
RT65
Defrost
thermistor
RT61
Capillary tube
Max.
Height
difference
15m
15m
10m
UNIT: mm (inch)
6.35(1/4)
9.52(3/8)
6.35(1/4)
9.52(3/8)