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Tubing Size
Refrigerant tubing between the indoor and outdoor units should be kept as short as possible.
The lengths of the refrigerant tubes between the indoor and outdoor units are limited by the elevation difference between the 2 units.
During tubing work, try to make both the tubing length (L) and the difference in elevation (H1) as short as possible.
Tubing Data for Models
Models
Tubing Data
U-60PZ2R5
U-71PZ2R5
Tubing size outer diameter
Liquid tube mm (in.) 9.52 (3/8)
Gas tube mm (in.) 15.88 (5/8)
Limit of tubing length (m) 40
Limit of elevation difference
between the 2 units
Outdoor unit is placed higher (m) 30
Outdoor unit is placed lower (m) 15
Max. allowable tubing length at shipment (m) 3 – 30
Required additional refrigerant (
g
/m) 35
Refrigerant charged at shipment (k
g
) 1.45
Total refrigerant amount (k
g
) 1.80
Outdoor unit type
U-60PZ2R5
U-71PZ2R5
Maximum allowable tubing length 40 m
Charge-less tubing length
(actual length)
3 – 30 m
Additional charge per 1 m
35
g
H1
Single
Main tubing L
SM830266-00_大洋州向けR32シングルTD&SM.indb 6 18/03/29 10:20:08
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