Panasonic U-72MF2U9 Technical Data Manual page 70

8. Optional Parts
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.
1
2
3
Type 456, 656, 4160
4
5
Inspection hole
6
7
8
9
Secure the service space
for the local tubing
Service space
Upper side
11 - 13/16" 11 - 13/16"
or more or more
(300 mm or more) (300 mm or more)
Front side
Service
space
(17-23/32" ×17-23/32" )
(450 mm × 450 mm)
Type 856
11 - 13/16"
or more
(300 mm or more) (300 mm or more)
Front side
Service space
2 - 54
Design of 3WAY VRF SYSTEM
11 - 13/16"
or more
Inspection hole
(17-23/32" ×17-23/32" )
(450 mm × 450 mm)