Panasonic U-72MF2U9 Technical Data Manual page 81

8. Optional Parts
8-4-6-7. Single Floor Building Layout
Multiple type solenoid valve kit after the distribution joint is possible.
Outdoor
0.49ft ≤
(0.15 m ≤ )
Multiple type
solenoid valve kit
Lb＝Closest Indoor unit
8-4-6-8. Multi Floor Building Layout
It is possible in terms of layout, however, be sure tubing diameter/tubing length, including the indoor units are within
the allowance.
Outdoor
Single type
solenoid valve kit
Multiple type
solenoid valve kit
8-4-6-9. Indoor unit control method
These control methods are possible.
Outdoor
Indoor Indoor Indoor
Main
Normal Group control
control by Main (+Sub) remo-con
La= Farthest indoor unit
0.49ft ≤
(0.15 m ≤ )
Single type Single type
solenoid valve kit solenoid valve kit
Indoor
Multiple type Single type
solenoid valve kit solenoid valve kit
Single type Single type
solenoid valve kit solenoid valve kit
Multiple type
solenoid valve kit
Indoor Indoor
Sub
Simultaneous operation
under 1port
(normal group control)
Single type
solenoid valve kit
Multiple type
solenoid valve kit
La-Lb ≤ 164ft (50m)
Multiple type
solenoid valve kit
Distribution joint (*) Distribution joint (*)
Indoor Indoor Indoor
Individual operation under 1port
(Necessary special setting at initial
set-up for all indoor unit by PC.)
2 - 65
Design of 3WAY VRF SYSTEM
Indoor
Single type
solenoid valve kit
1
2
3
4
5
6
7
8
9