14
Limit of elevation
difference between
the 2 units
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.
Models
C(H)2672R
C(H)3072R
C(H)3672R
C(H)4272R
Tubing Data
Tubing size
Liquid tube
in. (mm)
3/8 (9.52)
3/8 (9.52)
3/8 (9.52)
outer diameter
Gas tube
in. (mm)
5/8 (15.88)
5/8 (15.88)
5/8 (15.88)
Limit of tubing length
(ft.)
165
165
165
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
Table 1-10 Tubing Data for Models
26 – 42
ø5/8"
ø3/8"
0.43 oz.
Gas tube
Liquid tube
Main tubing (L)
Type capacity of indoor units
Amount of additional charge per 1 ft.
Table 1-11 List of Connection Tube Sizes
07-115 SSHP_II 5/7/07 3:59 PM Page 14
