Refrigerant System Diagram - Mitsubishi Electric MXZ-2D33VA-E1 Service Manual

REFRIGERANT SYSTEM DIAGRAM

7
MXZ-2D33VA
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)
1,150
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the
tables below.
OBH626B
Sub muffler
Capillary tube
Stop valve LEV A
(with strainer #100)
Capillary tube
LEV B
Stop valve
(with strainer #100)
20m
0
Compressor
Discharge
temperature
thermistor RT62
Muffler
4-way valve
Indoor
a
units
15 m
20 m
15
20
b
For
Indoor unit A
Indoor unit B
27
Outdoor heat
exchanger
temperature
thermistor
FAN-OUT
RT68
Defrost
thermistor
RT61
Strainer
#100
Max.
Height
difference
Outdoor
unit
UNIT: mm (inch)
Outdoor unit union diameter
Liquid
Gas
Liquid
Gas
UNIT: mm
Ambient
temperature
thermistor
RT65
10m
10m
10m
6.35(1/4)
9.52(3/8)
6.35(1/4)
9.52(3/8)