9
Table 1-2 Tubing Data for Models
U-26PE1U6
U-26PS1U6
U-36PE1U6
U-36PS1U6
U-42PE1U6
U-42PS1U6
Tubing size
outer diameter
Liquid tube in. (mm) 3/8 (9.52) 3/8 (9.52) 3/8 (9.52)
Gas tube in. (mm) 5/8 (15.88) 5/8 (15.88) 5/8 (15.88)
Limit of tubing length (ft.) 165 165 165
Limit of elevation
difference between
the 2 units
Outdoor unit is placed
100 100 100
higher. (ft.)
Outdoor unit is placed
50 50 50
lower. (ft.)
Max. allowable tubing length at shipment (ft.) 10 – 100 10 – 100 10 – 100
Required additional refrigerant *
1
(oz./ft.) a) 0.43 b) 0.43 b) 0.43
Refrigerant charged at shipment (lbs.) 4.2 6.2 7.9
No additional charge of compressor oil is necessary.
*
1 If total tubing length becomes 100 to 165 ft., charge additional refrigerant by 0.43 oz./ft.
Table 1-3 List of Connection Tube Sizes
Main tubing (L)
Type capacity of indoor units 26 – 42
Gas tube ø5/8"
Liquid tube ø3/8"
Amount of additional charge per 1 ft.
0.43 oz.
Tubing Data
Models
PanasonicPAC-iOutdoorUnitUS-l99PanasonicPAC-iOutdoorUnitUS-l99 2011/08/2313:55:372011/08/2313:55:37