Refrigerant System Diagram - Mitsubishi Electric MXZ-2F33VF -E1 Service Manual

REFRIGERANT SYSTEM DIAGRAM

8
MXZ-2F33VF
MXZ-2F33VF2
MXZ-2F33VF3
R.V. coil
Refrigerant flow in cooling
OFF
ON Refrigerant flow in heating
Indoor unit
A
Stop valve
(with service port)
Indoor unit
B
Stop valve
(with service port)
Indoor unit
A
Stop valve
(with strainer #100)
Indoor unit
B
Stop valve
(with strainer #100)
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
Model name precharged
(g)
MXZ-2F33VF
1,000
MXZ-2F33VF2
MXZ-2F33VF3 800
Refrigerant pipe diameter is different according to indoor unit to be
connected. When using extension pipes, refer to the right table.
OBH790H
Sub muffler
Capillary tube
LEV A
Capillary tube
LEV B
15 m
20 m
15
20
Refrigerant piping length
(one way, 2 unit total)
20 m
0
0
Compressor
Discharge
temperature
thermistor RT62
Muffler
4-way valve
Indoor
units
b
Indoor unit A
Indoor unit B
82
Outdoor heat
exchanger
temperature
thermistor
RT68
FAN-OUT
Defrost
Strainer
thermistor
#100
RT61
a
Outdoor
unit
Unit: mm (inch)
Outdoor unit union diameter
For
Liquid
Gas
Liquid
Gas
Unit: mm
Ambient
temperature
thermistor
RT65
Max.
Height
difference
10 m
10 m
10 m
6.35(1/4)
9.52(3/8)
6.35(1/4)
9.52(3/8)