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
WHEN CONNECTING TO MFZ-KJ SERIES INDOOR UNIT
MXZ-2D33VA - / /
E2 ER2 ET2
No. of
Refrigerant piping length (L)
MFZ-KJ
indoor units
None Charge-less (1,150 g)
1 unit 100 g additional charge (1,250 g)
2 units Not available
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the
table below.
OBH626H
Sub muffler
Capillary tube
Stop valve LEV A
(with strainer #100)
Capillary tube
LEV B
Stop valve
(with strainer #100)
15 m
20 m
15
20
20 m
0
/ / /
E3 ER3 ET3
Maximum amount
of refrigerant
~ 20 m
Compressor
Discharge
temperature
thermistor RT62
Muffler
4-way valve
Indoor
units
1,150 g
1,250 g
-
71
Outdoor heat
exchanger
temperature
thermistor
RT68
Defrost
thermistor
RT61
Strainer
#100
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
Max.
Height
difference
10 m
10 m
10 m
UNIT: mm (inch)
6.35(1/4)
9.52(3/8)
6.35(1/4)
9.52(3/8)