Multi F LMU540HV Installation Manual

42 Multi Air Conditioner
Flaring Work and Connection of Piping
Installation
• 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 ceiling - 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 degrees forward or back or to the sides.
Min 400(15 3/4)
Min 30(1 3/16)
Min 100(3 15/16)
Min 400(15 3/4)
Branch Pipe
432(17)
160(6 5/16)
Cover Control
Main Pipe
(Servicing space)
B
C
Inspection opening
Min 300(11 13/16)
Min 300(11 13/16)
298(11 23/32)
250(9 27/32)
Ø19.05(3/4)
Ø9.52(3/8)
Suspension bolt pitch.
245(9 21/32)
337(13 9/32)
A
Unit : mm(inch)