Haier AU282FHERA(H) - Page 11

9
Installation instruction
Long pipe and high drop
1. Allowable pipe length and height difference
Permissible value Piping part
Piping
length
Total length of piping (actual length) 100m L1+L2+L3+L4+a+b+c+d+e
Longest piping L 50m L1+L2+L3+L4+e
Piping length of indoor unit which is furthest to the rst branch
piping L (*)
30m L2+L3+L4+e
Drop
height
Drop height between indoor and outdoor unit
H
Up outdoor 30m ——
Under outdoor 20m ——
Drop height between indoor units h 10m ——
AU282, AU032 type: Maximal length and drop height permissible of refrigerant piping
Permissible value Piping part
Piping
length
Total length of piping (actual length) 150m L1+L2+L3+L4+a+b+c+d+e
Longest piping L 70m L1+L2+L3+L4+e
Piping length of indoor unit which is furthest to the rst branch
piping L (*)
40m L2+L3+L4+e
Drop
height
Drop height between indoor and outdoor unit
H
Up outdoor 30m ——
Under outdoor 20m ——
Drop height between indoor units h 10m ——
AU48~60, AU07 type: Maximal length and drop height permissible of refrigerant piping
Drop height between indoor and outdoor units
Drop height between
indoor units
h≤10m
Length of the longest piping after the
rst branch piping L
First branch piping
Outdoor unit
Indoor unit
Length of the longest piping L
A. Outdoor unit
Unit pipe spec and connection method (unit: mm)
Model
Gas pipe side Liquid pipe side
Diameter (mm) Connecting method Diameter (mm) Connecting method
AU282FHERA(H) Ø15.88
Flared joint
Ø9.52
Flared joint
AU032FHERA Ø15.88 Ø9.52
AU482FIERA(H) Ø19.05 Ø9.52
AU48NFIERA(H) Ø19.05 Ø9.52
AU602FIERA(H) Ø19.05 Ø9.52
AU60NFIERA(H) Ø19.05 Ø9.52
AU07NFIERA(G) Ø19.05 Ø9.52