Mitsubishi Electric MXZ-2A30VA - E1 Service Manual page 96

MXZ-5A100VA
R.V. coil
Refrigerant flow in cooling
OFF
ON Refrigerant flow in heating
Indoor unit
E
Indoor unit
D
Indoor unit
C
Indoor unit
B
Indoor unit
A
Indoor unit
A
Indoor unit
B
Indoor unit
C
Indoor unit
D
Indoor unit
E
MAX REFRIGERANT PIPING LENGTH
Piping length each indoor unit (a, b, c, d,e)
Total piping length (a+b+c+d+e)
Bending point for each unit
Total bending point
It does not matter which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
Outdoor unit
Refrigerant piping length (one way, 5 unit total)
precharged
(g) 40m
4,000
0
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 40)
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.
Indoor unit
class Pipe diameter
Liquid
22/25/35/42
Gas
Liquid
50
Gas
Liquid
60
Gas
Liquid
71
Gas
High-pressure
switch
Oil separator
Stop valve
(with service port)
Muffler
Capillary tube
Strainer LEV A
#100
Stop valve
LEV B
Strainer
#100
Strainer LEV C
#100
LEV D
Strainer
#100
LEV E
Strainer
#100
50m
60m 70m
200
400 600
Extension pipe diameter
6.35(1/4) Liquid
9.52(3/8) Gas
6.35(1/4) Liquid
12.7(1/2) Gas
6.35(1/4) Liquid
15.88(5/8) Gas
9.52(3/8) Liquid
15.88(5/8) Gas
Compressor
Discharge
temperature
thermistor RT62
Capillary tube
4-way valve
Strainer
LEV F
#100
Power
receiver
Indoor
25m
units
80m
25
80
80m
800
6.35(1/4)
Indoor unit A
9.52(3/8)
6.35(1/4)
Indoor unit B
12.7(1/2)
6.35(1/4)
Indoor unit C
15.88(5/8)
9.52(3/8)
Indoor unit D
15.88(5/8)
Indoor unit E
96
Outdoor
heat
exchanger
Outdoor heat
exchanger
temperature
thermistor
RT68
Defrost
thermistor
RT61
Capillary tube
Strainer
Distributor
#100
a
Outdoor
b
unit
c
d
e
UNIT: mm (inch)
Outdoor unit union diameter
For
Liquid
Gas
Liquid
Gas
Liquid
Gas
Liquid
Gas
Liquid
Gas
UNIT: mm
Ambient
temperature
thermistor
RT65
15m
15m
10m
6.35(1/4)
12.7(1/2)
6.35(1/4)
9.52(3/8)
6.35(1/4)
9.52(3/8)
6.35(1/4)
9.52(3/8)
6.35(1/4)
9.52(3/8)