27
Stop valve
(with strainer #100)
LEV A
LEV B
Compressor
Defrost
thermistor
RT61
Distributor
Muffler
4-way valve
Indoor unit
B
Indoor unit
A
Indoor unit
A
Indoor unit
B
Capillary tube
Capillary tube
Capillary tube
Strainer
#100
Stop valve
(with 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
Discharge
temperature
thermistor RT62
Stop valve
(with service port)
Stop valve
(with service port)
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the
tables
below.
UNIT: mm (inch)
Piping length each indoor unit (a, b)
20m
Total piping length (a+b)
30m
Bending point for each unit
20
Total bending point
30
UNIT: mm
MXZ-2B52VA
MAX REFRIGERANT PIPING LENGTH
a
b
Outdoor
unit
Indoor
units
15m
10m
15m
Refrigerant piping length (one way, 2 unit total)
Calculation : Xg = 20 g/m x (Refrigerant piping length(m) - 20)
Outdoor unit
precharged
(g)
30m
200
20m
0
1,300
Max.
Height
difference
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)
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
OBH554D
Summary of Contents for MXZ-2B30VA
Page 19: ...19 WIRING DIAGRAM 6 MXZ 2B30VA MXZ 2B40VA MXZ 2B52VA TB3 TB2 TB1 OBH554D ...
Page 20: ...20 MXZ 3B54VA OBH554D ...
Page 21: ...21 MXZ 3B68VA OBH554D ...
Page 22: ...22 MXZ 4B71VA OBH554D ...
Page 23: ...23 MXZ 4B80VA OBH554D ...
Page 24: ...24 MXZ 5B100VA OBH554D ...