LG A2UQ166FA0, Service Manual, Page: 83 / 238

Service Manual 83
Installation
Installation
(1) Total main piping length A+B 50 50 50
(2) Total branch piping length L1+L2+L3+L4+L5+L6+(L7)+(L8) 50 60 60
(3) Max. each branch piping length L1, L2, L3, L4, L5, L6, L7,L8 15 15 15
(4) Total system piping length (Total main) + (Tatal branch) 100 110 120
(5) Maxium Level in - out h1 30 30 30
(6) Maxium Level in - in h2 10 10 10
No. Length 6 room 7 room 8 room
(m)
• This unit may be installed suspended from the ceiling or mounted on the wall.
• This unit may only be installed horizontally , as shown in the diagram below.(Side B is facing up)
However, it may be freely installed in any direction forward or back, and to the sides.
• Be sure to leave a 600mm square opening for service and inspection as shown in the diagram below, for both ceil-
ing - suspended installation and wall-mounted installation.
• This unit "does not require drain treatment" as it uses internal foam treatment as low-pressure piping insulation.
• Service direction is the side B and C
• The piping for the indoor unit may be led around in direction A
• The inclination of side B must be within ±5°C degrees forward or back or to the sides.
(298)
250
Ø9.52
Ø6.35
Main Pipe
Ø9.52
Ø19.05
Cover Control Branch Pipe
Suspension bolt pitch.
245
(337)
50 50 50
50 50 50 (56)
50
(38)
(36) 50 30
(111)
Min 400
Min 30
Min 400
60 300 72
(150)
Inspection opening
(Servicing space)
Min 300
A
B
C
Piping length and elevation