28
Strainer
#100
Power
receiver
LEV A
LEV B
LEV C
Oil separator
Compressor
Defrost
thermistor
RT61
Distributor
Muffler
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
Stop valve with
service port
Stop valve
High-pressure switch
(MXZ-3B68VA only)
4-way
valve
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, refer to "PARTS CATALOG".
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
UNIT: mm
MXZ-3B54VA
MXZ-3B68VA
MAX REFRIGERANT PIPING LENGTH
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)
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)
Max.
Height
difference
Outdoor unit
precharged
(g)
50m
200
40m
0
2,700
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
OBH554D
Содержание MXZ-2B30VA
Страница 19: ...19 WIRING DIAGRAM 6 MXZ 2B30VA MXZ 2B40VA MXZ 2B52VA TB3 TB2 TB1 OBH554D ...
Страница 20: ...20 MXZ 3B54VA OBH554D ...
Страница 21: ...21 MXZ 3B68VA OBH554D ...
Страница 22: ...22 MXZ 4B71VA OBH554D ...
Страница 23: ...23 MXZ 4B80VA OBH554D ...
Страница 24: ...24 MXZ 5B100VA OBH554D ...