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REFRIGERANT SYSTEM DIAGRAM
9
● 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 page BACK COVER.
Indoor unit
Extension pipe diameter
class Pipe diameter
Liquid 6.35(1/4) Liquid 6.35(1/4)
07/09
Gas 9.52(3/8) Gas 9.52(3/8)
Liquid 6.35(1/4) Liquid 6.35(1/4)
12
Gas 12.7(1/2) Gas 12.7(1/2)
Liquid 6.35(1/4) Liquid 6.35(1/4)
18
Gas 15.88(5/8) Gas 15.88(5/8)
Outdoor unit union diameter
For
Liquid 6.35(1/4)
Indoor unit A
Gas 12.7(1/2)
Liquid 6.35(1/4)
Indoor unit B
Gas 12.7(1/2)
Liquid 6.35(1/4)
Indoor unit C
Gas 9.52(3/8)
Unit : mm (inch)
Piping length each indoor unit (a, b, c) 25m
Total piping length (a+b+c) 50m
Height difference between units (H) 10m
Bending point for each unit 25
Total bending point 50
❋It does not matter which unit is higher.
a
b
c
Outdoor
unit
Indoor
units
H
H
H
Unit:mm
MXZ-24UV -
MXZ-24UV -
E2
E1
OB287--1.qxp 03.1.16 10:29 AM Page 11