Panasonic U-120MF2U9, Technical Data Manual, Page: 70 / 181

Design of 3WAY VRF SYSTEM
2
- 54
1
2
3
4
5
6
7
8
9
Be sure to secure the solenoid valve kit to the structure and the suspension bolts. Do not place the solenoid
valve kit directly on the ceiling surface.
When installing the solenoid valve kit, remember to install it with the top surface facing upward.
(See the figure shown in the subsection "How to use the fittings" in " 8-4-3. Valve Dimensions and Hanging Method".)
Provide a service space as shown in the below figure.
Never conduct drilling or welding on the sheet metal.
Do not cover air holes.
Provide the inspection hole as shown in the below figure.
●
●
●
●
●
15
-3
/4" or more
(400 mm or more)
7-
7/8" or more
(200 mm or more)
Upper side
Service space
Secure the service space
for the local tubing
11 - 13/16"
or more
(300 mm or more)
11 - 13/16"
or more
(300 mm or more)
Inspection hole
(17-23/32" ×17-23/32" )
(450 mm × 450 mm)
Type 456, 656, 4160
Front side
Service
space
17
-23/32" or more
(450 mm or more)
11 - 13/16"
or more
(300 mm or more)
11 - 13/16"
or more
(300 mm or more)
Inspection hole
(17-23/32" ×17-23/32" )
(450 mm × 450 mm)
Type 856
Front side
Service space
17
-23/32" or more
(450 mm or more)
8. Optional Parts
TD831183-00_北米向け3WAY.indb 54 15/12/17 16:05:24