Panasonic U-72MF2U9 Technical Data Manual page 78

8. Optional Parts
8-4-6-2. Series connection by 2 Multiple type solenoid valve kit
The length between the Multiple type solenoid valve kits
shall be within 0.66ft (0.2m).
(See right table for detail about 2 box combination.)
Outdoor
Indoor Indoor Indoor
1
The tubing of indoor unit side is possible to connect in the opposite direction as shown in the below figure.
Outdoor
2
3
Indoor Indoor Indoor
NOTE
Tubing between the Multiple type solenoid valve kits, maintain straight line, and use the same size tubing as
2 Second box.
4
Direct connection of indoor unit just after the Multiple type solenoid valve kits is disapproved
Outdoor
5
6
Indoor Indoor Indoor
7
8
9
within 0.66ft (0.2m)
1
Multiple type
solenoid valve kit
Indoor Indoor Indoor
Indoor Indoor
1
Multiple type
solenoid valve kit
within 0.66ft (0.2m)
Indoor
disapproved
Multiple type Single type
solenoid valve kit solenoid valve kit
Indoor
Available combination
1 First box
4 port
(456 type)
2
6 port
Multiple type
(656 type)
solenoid valve kit
4 port
(4160 type)
Indoor Indoor
Indoor Indoor
2
Multiple type
solenoid valve kit
Indoor
2 - 62
Design of 3WAY VRF SYSTEM
○
OK :
×
N/A :
2 Second box
○
4 port (456 type)
×
6 port (656 type)
×
4 port (4160 type)
×
4 port (456 type)
×
4 port (4160 type)
○
4 port (456 type)
×
6 port (656 type)
○
4 port (4160 type)