90
a
b
c
Outdoor
unit
Indoor
units
15m
10m
15m
Refrigerant piping length (one way, 3 unit total)
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 40)
Outdoor unit
precharged
(g)
50m
200
40m
0
2,700
Ball valve with
service port
Ball valve
Strainer
#100
Power
receiver
LEV A
LEV B
LEV C
Oil separator
Compressor
Defrost
thermistor
RT61
Distributor
Muffler
4-way valve
LEV E
Indoor unit
C
Indoor unit
B
Indoor unit
A
Indoor unit
A
Indoor unit
B
Indoor unit
C
Capillary tube
Capillary tube
Capillary tube
Capillary tube
Capillary tube
Discharge
temperature
thermistor RT62
Strainer
#100
Strainer
#100
Strainer
#100
R.V. coil
OFF
ON
Refrigerant flow in cooling
Refrigerant flow in heating
Ambient
temperature
thermistor
RT65
Outdoor heat
exchanger
temperature
thermistor
RT68
FAN-OUT
HEX-OUT
Strainer
#100
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 17-1.
UNIT: mm (inch)
Piping length each indoor unit (a, b, c)
25m
Total piping length (a+b+c)
50m
Bending point for each unit
25
Total bending point
50
It does not matter which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
UNIT: mm
MXZ-3A54VA
-
E1
,
E2
,
E3
,
E4
MAX REFRIGERANT PIPING LENGTH
Indoor unit
Extension pipe diameter
class
Pipe diameter
22/25/35
Liquid
6.35(1/4)
Liquid
6.35(1/4)
Gas
9.52(3/8)
Gas
9.52(3/8)
50
Liquid
6.35(1/4)
Liquid
6.35(1/4)
Gas
12.7(1/2)
Gas
12.7(1/2)
Outdoor unit union diameter
For
Indoor unit A
Liquid
6.35(1/4)
Gas
9.52(3/8)
Indoor unit B
Liquid
6.35(1/4)
Gas
9.52(3/8)
Indoor unit C
Liquid
6.35(1/4)
Gas
9.52(3/8)
Содержание MXZ-2A30VA
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