Panasonic 2WAY Multi U-16GE3E5 Manuel D'installation page 10

Table 2-3 Main tubing size after distriburion ( LB, LC, ···)
Outdoor
Outdoor tubing (mm)
unit
Suction tube
45.0 kW
Discharge tube
Liquid tube
Suction tube
56.0 kW
Discharge tube
Liquid tube
Suction tube
71.0 kW
Discharge tube
Liquid tube
*1
If anticipating future expansion, select tube diameters according to total capacity after expansion.
*2
If the maximum tubing length exceeds 90 m (equivalent length), increase the diameter of the main tubing to the
size in ( ) for both liquid and gas tubes. However, gas tube diameter should not exceed 31.75 mm. (Reducers are
available locally.)
Table 2-4 Branching⇔solenoid valve kit tubes<3-tube side>
Tubing size (mm)
Table 2-5 Solenoid valve kit⇔indoor unit tubes <2-tube side>
Indoor unit
Tubing size (mm)
(7) Plumbing separately purchased goods
●Solenoid Valve Kit (for 3WAY Multi)
・ CZ-P56HR3
・ CZ-P160HR3
① Install the solenoid valve kit at a point within
30 m of the indoor unit.
② For places where quiet is an important
consideration, such as hospitals, libraries,
hotels, etc., we recommend installing the
solenoid valve kit away from rooms, such as
in the ceilings of hallways, to avoid annoyance
due to refrigerant noise.
③ Install an inspection port near the solenoid
valve kit so it can be serviced.
35.6 to 142.0 28.1 to 35.5 16.1 to 28.0
Ø28.58 Ø28.58
(Ø31.75) (Ø31.75)
Ø22.22 Ø22.22
Ø19.05 Ø19.05
Ø28.58 Ø28.58
(Ø31.75) (Ø31.75)
Ø25.4 Ø25.4
Ø19.05 Ø19.05
Ø28.58 Ø28.58
(Ø31.75) (Ø31.75)
Ø25.4 Ø25.4
Ø19.05 Ø19.05
Suction tube
Discharge tube
Liquid tube
Unit Type
Equivalent Horsepower
Gas tube
Liquid tube
Post-branch main tubing
Total capacity for connected indoor units (kW)
Ø28.58 Ø25.4
Ø22.22 Ø19.05
Ø15.88 Ø12.7
Ø28.58 Ø25.4
Ø22.22 Ø19.05
Ø15.88 Ø12.7
Ø28.58 Ø25.4
Ø22.22 Ø19.05
Ø15.88 Ø12.7
Ø15.88
Ø12.7
Ø9.52
22-56 kW
0.8-2.0
Ø12.7
Ø6.35
Room Room
Indoor unit Indoor unit
Solenoid valve kit
Hallway
EN - 10
9.0 to 16.0 Under 9.0
Ø19.05 Ø15.88
Ø15.88 Ø12.7
Ø9.52 Ø9.52
Ø19.05 Ø15.88
Ø15.88 Ø12.7
Ø9.52 Ø9.52
Ø19.05 Ø15.88
Ø15.88 Ø12.7
Ø9.52 Ø9.52
60-160 kW
2.5-6.0
Ø15.88
Ø9.52
Room Room
Indoor unit Indoor unit
Solenoid valve kit
Hallway
Fig. 7