1-22
1
1-10. Installation Instructions
Outdoor Unit
Tubing Length1.
Single type
During tubing work, try to make both the tubing length (L)
and the difference in elevation (H1) as short as possible.
Refer to Table 1-1.
H1
Single
Main tubing L
Table 1-1 Tubing Data for Models (Single)
Models
Tubing Data
U-200PE1E8 U-250PE1E8
Tubing size outer
diameter
Liquid tube
mm (in.)
9.52 (3/8) 12.7 (1/2)
Gas tube
mm (in.)
Limit of tubing length (L) (m)
Height Differential
of Indoor / Outdoor
Units (H1)
Outdoor unit is
placed higher
(m)
Outdoor unit is
placed lower
(m)
Max. allowable tubing length at
)m( tnempihs
25.4
100
30
30
5 - 30
Required additional refrigerant
)m/g(
40* 80*
Refrigerant charged at shipment
)gk(
5.3 6.5
No additional charge of compressor oil is necessary.
* If the total tubing length exceeds 30 m, charge the amount of refrigerant as
shown above in "Required additional refrigerant" for every 1 m in excess of
30 m for outdoor units.
SM830194-02BigPAC-i.indb22SM830194-02BigPAC-i.indb22 2012/09/0311:23:372012/09/0311:23:37