Heating - Mitsubishi Electric MXZ-2F33VF-E1 Service Manual

MXZ-2F42VF MXZ-2F53VF
R.V. coil
Refrigerant flow in cooling
OFF
ON Refrigerant flow in heating
Indoor unit
A
Stop valve
(with service port)
Indoor unit
B
Stop valve
(with service port)
Indoor unit
A
Stop valve
(with strainer #100)
Indoor unit
B
Stop valve
(with strainer #100)
MAX REFRIGERANT PIPING LENGTH
Piping length each indoor unit (a, b)
Total piping length (a+b)
Bending point for each unit
Total bending point
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
Outdoor unit
Refrigerant piping length (one way, 2 unit total)
precharged
(g)
1,200
Refrigerant pipe diameter is different according to indoor unit to be
connected. When using extension pipes, refer to the right table.
For MXZ-2F53VF and MXZ-2F53VFH, when diameter of refriger-
ant 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"
OBH790
MXZ-2F53VFH
Sub muffler
Capillary tube
LEV A
Capillary tube
LEV B
20 m
30 m
30
20
30 m
0
Compressor
Discharge
temperature
thermistor RT62
Muffler
4-way valve
Indoor
a
units
b
Outdoor unit union diameter
For
Indoor unit A
Indoor unit B
30
UNIT: mm
Outdoor heat
exchanger
temperature
thermistor RT68
FAN-OUT
Ambient
temperature
thermistor
RT65
Defrost
thermistor RT61
Capillary tube
Strainer
#100
Distributor
Max.
Height
difference
Outdoor
unit
15 m
10 m
UNIT: mm (inch)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)
15 m