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An excess or a shortage of refrigerant is the
main cause of trouble to the units.
Charge refrigerant by the correct quantity.
Flaring Dimension
Perform the flaring work as shown below.
R410A
(*) It is impossible to perform the flaring work with
1/2H material. In this case, use an accessory
pipe(with a flare).
1/4(6.35)
3/8(9.53)
1/2(12.7)
5/8(15.88)
3/4(19.05)
1/32(9.1)
33/64(13.2)
21/32(16.6)
25/32(19.7)
(*)
Diameter
A
+0
-1/64(0.4)
07
15
19
24
30
38 54
10A
11
Unit: in. (mm)
Optional pump
1/64 ~ 1/32R
φA
φd
90
o
+
2
o
45
o
+
2
o
Required Tightening Torque
Pipe Size
φ
1/4 in. (6.35 mm)
φ
3/8 in. (9.53 mm)
φ
1/2 in. (12.7 mm)
φ
5/8 in. (15.88 mm)
Tightening Torque
10.3 - 13.3 ft·lbs (14 - 18 N·m)
25.1 - 31.0 ft·lbs (34 - 42 N·m)
36.1 - 45.0 ft·lbs (49 - 61 N·m)
50.2 - 60.5 ft·lbs (68 - 82 N·m)
Drain Pipe Connnection
Refrigerant Liquid Pipe Connection
Refrigerant Gas Pipe Connection
Drain Pipe Connection
mn p qrs
0724
7-11/64
(182)
8-47/64
(222)
9-11/16
(246)
12-41/64
(321)
14-27/32
(377)
29/32
(23)
3054
5-29/32
(150)
7-31/64
(190)
10-5/8
(270)
13-37/64
(345)
15-25/32
(401)
55/64
(22)
Model
Dimension
Unit: in.(mm)
Unit: in.(mm)
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