Piping length and elevation
No.
(1)
Total main piping length
(2)
Total branch piping length
(3)
Max. each branch piping length
(4)
Total system piping length
(5)
Maxium Level in - out
(6)
Maxium Level in - in
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 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.
Length
A+B
L1+L2+L3+L4+L5+L6+(L7)+(L8)
L1, L2, L3, L4, L5, L6, L7,L8
(Total main) + (Tatal branch)
h1
h2
Ø6.35
Ø9.52
A
Suspension bolt pitch.
(36)
50
50
50
(56)
50
50
50
72
Branch Pipe
Min 400
Min 400
(Servicing space)
6 room
50
50
15
100
30
10
Ø9.52
Ø19.05
245
Main Pipe
30
50
300
60
Cover Control
Inspection opening
Installation
(m)
7 room
8 room
50
50
60
60
15
15
110
120
30
30
10
10
B
C
Service Manual 83