Mitsubishi Electric MSZ-LN-VG Series Service Manual page 63

MXZ-3F68VF MXZ-3F68VF2
R.V. coil
Refrigerant flow in cooling
OFF
ON Refrigerant flow in heating
Indoor unit
A
Indoor unit
B
Indoor unit
C
Indoor unit
A
Strainer
#100
Indoor unit
B
Strainer
#100
Indoor unit
C
Strainer
#100
MAX REFRIGERANT PIPING LENGTH
Piping length each indoor unit (a, b, c)
Total piping length (a+b+c)
Bending point for each unit
Total bending point
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
Refer to "Method of charging refrigerant".
Outdoor unit
Model name precharged
(g)
MXZ-3F68VF 1,400
MXZ-3F68VF2
2,400
MXZ-3F68VF3
Refrigerant pipe diameter is different according to indoor unit to be
connected. When using extension pipes, refer to the right table.
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".
OBH790D
MXZ-3F68VF3
High-pressure switch
Oil separator
Stop valve with
service port
Muffler
Capillary tube
LEV A
Capillary tube
Strainer
#100
LEV B
Capillary tube
LEV C
25 m
60 m
25
60
Refrigerant piping length
(one way, 3 unit total)
60 m
0
0
Compressor
Discharge
temperature
thermistor RT62
4-way
Capillary tube
valve
Stop valve
LEV R
Power
receiver
Indoor
units
63
Charge pipe
Strainer
#100
Distributor
a
b
Outdoor
unit
c
Outdoor unit union diameter
For
Liquid
Indoor unit A
Gas
Liquid
Indoor unit B
Gas
Liquid
Indoor unit C
Gas
Unit: mm
Outdoor heat
exchanger
temperature
thermistor
RT68
FAN-OUT
Ambient
temperature
thermistor
RT65
Defrost
thermistor RT61
Capillary tube
Max.
Height
difference
15 m
15 m
10 m
Unit: mm (inch)
6.35(1/4)
9.52(3/8)
6.35(1/4)
9.52(3/8)
6.35(1/4)
9.52(3/8)