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MXZ-A18WV -
E1
Stop valve
(with service port)
Indoor
Unit B
Indoor
Unit A
Stop valve
(with service port)
Stop valve
{6
Indoor
Unit A
Strainer
{6
Indoor
Unit B
Strainer
Stop valve
MAX REFRIGERANT PIPING LENGTH
MXY-A18WV -
E1
Piping length each indoor unit (a, b)
Total piping length (a+b)
Height difference between units (H)
Bending point for each unit
Total bending point
It does not matter which unit is higher.
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, see page BACK COVER.
Indoor unit
class
Pipe diameter
Liquid
6.35(1/4)
07/09
Gas
9.52(3/8)
Liquid
6.35(1/4)
12
Gas
12.7(1/2)
All manuals and user guides at all-guides.com
Discharge
Compressor
temperature
thermistor
Muffler
4-way valve
Gas pipe temperature
B thermistor
Muffler
Gas pipe temperature
A thermistor
Capillary tube
LEV (A)
{3.0 {2.0 400
Capillary tube
LEV (B)
{3.0 {2.0 400
Extension pipe diameter
Liquid
6.35(1/4)
Gas
9.52(3/8)
Liquid
6.35(1/4)
Gas
12.7(1/2)
{8
{12
Evaporation
temperature
thermistor
Capillary tube
{1.8 {0.6 750
Strainer
a
20m
30m
10m
15
30
b
Outdoor unit union diameter
For
Indoor unit A
Indoor unit B
44
Unit:mm
R.V. coil
heating ON
cooling OFF
Refrigerant flow in cooling
Refrigerant flow in heating
{12
High pressure
protect thermistor
Outdoor
Defrost
heat
thermistor
exchanger
Capillary tube
{3.0 {1.8 600
Outdoor
H
unit
H
Unit : mm (inch)
Liquid
6.35(1/4)
Gas
9.52(3/8)
Liquid
6.35(1/4)
Gas
9.52(3/8)
H
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