10
Table 1-4 (Concealed-Duct)
Part Name Figure
Q’ty
Remarks
8
Flare insulator
2
Insulating tape
2
Drain insulator
1
Hose band
1
Packing
1
Drain hose
1
Sealing putty
1
Vinyl clamp
8
Booster cable*
1
For suspending indoor unit from ceiling
For wide and narrow tubes
For wide and narrow tubes flare nuts
For drain hose joint
For securing drain hose
For drain joint
For sealing recessed por tion of power supply
F
or flare and drain insulators
* Booster cable is housed inside the electrical component box.
Washer
Connector for changeover to HT tap.
● Use 3/8" for suspension bolts.
● Field supply for suspending bolts and nuts.
1-5. Tubing Size
(A) Single type
● Refrigerant tubing between the indoor and outdoor units
shall be kept as short as possible.
● The length 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. Refer to Table 1-5.
Table 1-5
Outdoor unit type 25, 36 types 48 types
Maximum allowable tubing length 50 m 50 m
Charge-less tubing length (actual length) 3 – 30 m 5 – 30 m
Additional charge per 1 m 40g
04-393 DC INV Tech p a-44 12/15/04 3:04 PM Page 10
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