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Table 1-3. Concealed-Duct
Part Name
Special washer
Flare Insulator
Insulating Tape
Drain Insulator
Hose band
Packing
Drain hose
Sealing putty
Vinyl clamp
Booster cable*
Tube connector
t
Booster cable is housed inside the electrical component box.
Table 1-4. Hi-Wall mounted
Part Name
Rawl plug
Plastic ring
Tapping screw
1-5. Tubing Length
• 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 two units. During tubing
work, try to make both the tubing length (L) and
the difference in elevation (H) as short as possible.
Refer to Table 1-4 for the details.
Table 1-5.
Tubing Data
Narrow tube
Tubing size
outer diameter
Wide tube
Limit of tubing length
Limit of elevation
Outdoor unit is placed upper
difference between
the two units
Outdoor unit is placed lower
Max. allowable tubing length at shipment
Required additional refrigerant*
Refrigerant charged at shipment
No additional charge of compressor oil is necessary.
*1 If total tubing length becomes 30 to 50 , charge additional refrigerant by a) 45 or b) 50 g/m.
Figure
Q.ty
Figure
Q.ty
Models
mm(in.)
mm (in.)
(m)
(m)
(m)
(m)
1
(g/m)
(kg)
8
For suspending indoor unit from ceiling
2
For wide and narrow tubes
1
For wide and narrow tubes flare nuts
1
For drain hose joint
2
For securing drain hose
1
For drain joint
1
1
For sealing recessed portion of power supply
8
For flare insulator
1
For increasing the fan speed
1
For sizing up of narrow tube from 6.35 to 9.52 (Only for 25 type)
8
For fixing the rear panel
2
For the hole in the wall (tubing passage)
1
For fixing the rear panel
Single type Installation Example
INDOOR
UNIT
Elevation difference (H)
25 type
6.35 (1/4)
15.88 (5/8)
50
50
30
30
a) 45
3.2
6
Remarks
Remarks
Tubing length (L)
OUTDOOR
UNIT
36 type
48 type
9.52 (3/8)
9.52 (3/8)
19.05 (3/4)
19.05 (3/4)
50
50
50
50
30
30
30
30
b) 50
b) 50
4.0
4,5
EG
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