Panasonic R410A Installation Instructions Manual page 9

Table 1-2 Tubing Data for Models
Tubing Data
Liquid tube
Tubing size
outer diameter
Gas tube
Limit of tubing length
Outdoor unit is placed
Limit of elevation
higher.
difference between
Outdoor unit is placed
the 2 units
lower.
Max. allowable tubing length at shipment
Required additional refrigerant *
Refrigerant charged at shipment
No additional charge of compressor oil is necessary.
* If total tubing length becomes 100 to 165 ft., charge additional refrigerant by 0.43 oz./ft.
1
Table 1-3 List of Connection Tube Sizes
Type capacity of indoor units
Gas tube
Liquid tube
Amount of additional charge per 1 ft.
U-26PE1U6
Models
U-26PS1U6
in. (mm) 3/8 (9.52)
in. (mm) 5/8 (15.88)
(ft.) 165
100
(ft.)
(ft.)
(ft.) 10 – 100
1 (oz./ft.) a) 0.43
(lbs.) 4.2
Main tubing (L)
26 – 42
ø5/8"
ø3/8"
0.43 oz.
9
U-36PE1U6
U-36PS1U6
3/8 (9.52)
5/8 (15.88)
165
100
50 50
10 – 100
b) 0.43
6.2
U-42PE1U6
U-42PS1U6
3/8 (9.52)
5/8 (15.88)
165
100
50
10 – 100
b) 0.43
7.9