Mitsubishi Electric M Series Manual page 510

MULTI SYSTEM Inverter Heat Pump
MXZ-5B100VA
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 is irrelevant 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.
Indoor unit
class Pipe diameter
Liquid
15/20/22/25/
35/42
Gas
Liquid
50
Gas
Liquid
60
Gas 15.88(5/8)
Liquid
71
Gas 15.88(5/8)
C-508
50m
60m 70m
200
400 600
Extension pipe diameter
6.35(1/4) Liquid 6.35(1/4)
9.52(3/8) Gas 9.52(3/8)
6.35(1/4) Liquid 6.35(1/4)
12.7(1/2) Gas 12.7(1/2)
6.35(1/4) Liquid 6.35(1/4)
Gas 15.88(5/8)
9.52(3/8) Liquid 9.52(3/8)
Gas 15.88(5/8)
Indoor
units
a
25m
80m
25
b
80
c
80m
d
800
Outdoor unit union diameter
For
Indoor unit A
Indoor unit B
Indoor unit C
Indoor unit D
Indoor unit E
M series
Max.
Height
difference
Outdoor
unit
15m
15m
10m
e
UNIT: mm (inch)
Liquid 6.35(1/4)
Gas 12.7(1/2)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)