WSU PRODUCT DATA | 55
Water Source Unit Product Data
Due to our policy of continuous product innovation, some specications may change without notication.
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ACCESSORIES
Indoor Unit Y-branches for Heat Recovery Operation
Indoor Unit Y-Branches
(Unit: Inch [mm])
Models Pipe
ARBLB01621
Low-Pressure Vapor Pipe Liquid Pipe High-Pressure Vapor Pipe
ARBLB03321
ARBLB07121
Low-Pressure Vapor Pipe Liquid Pipe High-Pressure Vapor Pipe
Low-Pressure Vapor Pipe Liquid Pipe High-Pressure Vapor Pipe
Low-Pressure Vapor Pipe Liquid Pipe High-Pressure Vapor Pipe
ARBLB14521
Low-Pressure Vapor Pipe Liquid Pipe High-Pressure Vapor Pipe
ARBLB23220
O.D. 3/4 (19.05)
I.D. 5/8 (15.88)
O.D. 1/2 (12.7)
I.D. 3/8 (9.52)
X2
4-5/16 (110)
I.D. 1 (25.4)
I.D. 3/4
(19.05)
I.D. 3/4 (19.05)I.D. 7/8 (22.2)
I.D. 1 (25.4)
I.D. 1 (25.4)
I.D. 7/8 (22.2)
13-5/8 (346)
14-15/16 (379)
3-3/4
(96)
3
2
3
3
2
I.D. 7/8 (22.2)
I.D. 1/2 (12.7)
I.D. 1/4 (6.35)
4-5/16 (110)
O.D. 1-1/8 (28.58)
I.D. 7/8
(22.2)
4-1/2 (115)
X2
3-15/16 (100)
O.D. 5/8
(15.88)
I.D. 1/2 (12.7)
2-3/4 (70)
O.D. 7/8 (22.2)
I.D. 5/8 (15.88)
I.D. 3/4 (19.05)
4-3/4 (120)
O.D. 1-1/2
(38.1)
I.D. 1-3/8
(34.9)
I.D. 1-1/8 (28.58)
X2
6-7/8 (175)
I.D. 1-/12 (31.8) I.D. 2-1/8 (53.98)
I.D. 1
(25.4)
I.D. 1-3/4 (44.48)
I.D. 1-1/2 (38.1)
I.D. 1-5/8 (41.3)
I.D. 1-3/4
(44.48)
I.D. 1-1/2 (38.1)
I.D. 1-5/8
(41.3)
I.D. 2-1/8 (53.98)
16-9/16 (420)
19-5/16 (490)
5-1/4 (134)
1
2
2
3
3
2
3
3 3
3
I.D. 1-3/4
(44.48)
O.D. 1-3/4
(44.48)
AJR54072902
AJR54072905
AJR72963602
I.D. 3/4 (19.05)
O.D. 5/8 (15.88)
I.D. 1/2 (12.7)
I.D. 5/8
(15.88)
I.D. 1/2 (12.7)
I.D. 5/8
(15.88)
I.D. 5/8 (15.88)
I.D. 1/2 (12.7)
11-1/2 (292)
11-1/16 (281)
2-15/16
(74)
2-3/4 (70)
I.D.
5/8 (15.88)
I.D.
3/8 (9.52)
I.D.
5/8
(15.88)
I.D
1/2
(12.7)
I.D.
3/8
(9.52)
I.D.
5/8
(15.88)
I.D.
3/8 (9.52)
I.D.
1/2 (12.7)
14-5/8 (372)
13-13/16 (351)
I.D. 1/2 (12.7)
O.D. 3/8 (9.52)
I.D. 3/8 (9.52)
I.D. 3/8 (9.52)
I.D. 1/4
(6.35)
I.D. 3/8 (9.52)
I.D. 1/4 (6.35)
11-1/2 (292)
11-1/16 (281)
2-3/4 (70)
2-15/16
(74)
I.D. 1/4 (6.35)
2-15/16
(74)
I.D.
1/2 (12.7)
AJR54072901 AJR72963601
I.D. 1 (25.4)
16-1/4 (413)
15-3/8 (390)
3-1/4
(83)
I.D.
5/8
(15.88)
I.D. 3/4
(19.05)
I.D.
1/2
(12.7)
I.D.
1/2 (12.7)
I.D.
3/4
(19.05)
I.D.
5/8
(15.88)
I.D. 7/8 (22.2)
I.D. 1-1/8 (28.58)
O.D. 1 (25.4)
I.D. 7/8 (22.2)
O.D.
3/4 (19.05)
O.D.
3/4
(19.05)
I.D. 7/8 (22.2)
I.D. 1
(25.4)
3-1/8 (80) 4-5/16 (110)
I.D.
3/8 (9.52)
I.D
.
1/2 (12.7)
I.D.
3/8 (9.52)
I.D
.
1/2
(12.7)
I.D.
1/4
(6.35)
I.D
.
1/2 (12.7)
13-1/16 (332)
12-5/8 (321)
2-15/16
(74)
I.D.
3/8 (9.52)
I.D.
1/4 (6.35)
I.D. 1 (25.4)
I.D.
5/8
(15.88)
I.D.
3/4
(19.05)
O.D.
5/8
(15.88)
444
421
3-3/4
(96)
I.D.
7/8 (22.2)
I.D.
3/4 (19.05)
I.D.
5/8
(15.88)
I.D.
3/4 (19.05)
I.D.
7/8 (22.2)
I.D.
7/8 (22.2)
O.D.
5/8 (15.88)
I.D. 1/2 (12.7)
2-3/4 (70)
I.D.
3/4
(19.05)
I.D. 1/2
(12.7)
I.D.
3/8
(9.52)
4-5/16 (110)
2-3/4 (70)
AJR54072906
14-13/16 (376)
15-15/16 (404)
3-3/4
(96)
I.D. 1-3/8
(34.9)
O.D. 1-1/4
(31.8)
I.D. 7/8 (22.2)
O.D. 7/8 (22.2)
I.D. 1-1/8
(28.58)
I.D. 1-1/8 (28.58)
4-3/4 (120) 3-9/16 (90) 4-3/4 (120)
I.D. 1-1/4 (31.8)
I.D.
3/4 (19.05)
I.D.
5/8 (15.88)
I.D.
1/2
(12.7)
I.D. 3/4
(19.05)
I.D. 5/8
(15.88)
I.D.
7/8 (22.2)
I.D.
1-1/8 (28.58)
O.D. 3/4
(19.05)
I.D. 1-1/4
(31.8)
I.D. 3/4
(19.05)
I.D. 1/2 (12.7)
I.D. 1/2 (12.7)
I.D. 3/4 (19.05)
I.D. 5/8 (15.88)
I.D. 1/2
(12.7)
I.D. 3/4 (19.05)
I.D. 5/8 (15.88)
14-5/8 (371)
15-1/2 (394)
3-1/4
(83)
4-5/16 (110) 2-3/4 (70)
15 (381)
16-1/8 (409)
3-3/4
(96)
I.D. 1-1/8 (28.58)
I.D. 1 (25.4)
I.D. 3/4 (19.05)
I.D. 3/4
(19.05)
I.D. 7/8 (22.2)
I.D. 1
(25.4)
O.D. 3/4 (19.05)
I.D. 5/8 (15.88)
O.D. 1/2 (12.7)
I.D. 3/8 (9.52)
2-3/4 (70)
O.D. 3/4 (19.05)
I.D. 5/8 (15.88)
I.D. 7/8 (22.2)
I.D. 1 (25.4)
I.D. 5/8
(15.88)
O.D. 1/2
(12.7)
I.D. 3/8
(9.52)
I.D. 1/4
(6.35)
O.D. 1/2
(12.7)
I.D. 3/8
(9.52)
I.D. 1/2
(12.7)
2-3/4 (70)
4-5/16 (110)
AJR72963603AJR54072903AJR54072907
18-9/16 (471)
20-3/8 (517)
4-15/16 (125)
4-3/4 (120) 5-1/8 (130)
I.D. 3/4 (19.05)
I.D. 5/8
(15.88)
O.D. 7/8 (22.2)
I.D. 1/2 (12.7)
I.D. 3/4
(19.05)
I.D. 7/8 (22.2)
I.D. 1-5/8 (41.3)
I.D. 1-5/8 (41.3)
O.D. 1-3/8
(34.9)
I.D. 1-3/8 (34.9)
I.D. 1-3/8 (34.9)
I.D. 7/8
(22.2)
I.D. 1-1/8
(28.58)
I.D. 1-1/8 (28.58)
I.D. 1-1/2 (38.1)
I.D. 1-5/8 (41.3)
I.D. 1-3/8 (34.9)
I.D. 1-1/2 (38.1)
O.D. 1-1/2
(38.1)
O.D. 5/8
(15.88)
O.D. 1-1/8 (28.58)
3-9/16 (90)
2-3/4 (70)
4-3/4 (120)
I.D. 1-1/2 (38.1)
16-3/8 (416)
17-1/2 (444)
3-3/4
(96)
O.D. 5/8
(15.88)
I.D. 1/2 (12.7)
O.D. 1/2 (12.7)
I.D. 3/8
(9.52)
I.D. 5/8 (15.88)
I.D. 7/8 (22.2)
I.D. 7/8
(22.2)
I.D. 3/4 (19.05)
I.D. 5/8 (15.88)
I.D. 1/2
(12.7)
I.D. 5/8 (15.88)
I.D. 3/4 (19.05)
I.D. 7/8 (22.2)
O.D. 3/4
(19.05)
3-1/8 (80)
4-5/16 (110)
4-5/16 (110)
I.D. 3/4 (19.05)
I.D. 3/8 (9.52)
I.D. 1/4
(6.35)
O.D. 1 (25.4)
4-3/4 (120)
O.D. 1/2 (12.7)
I.D. 3/8 (9.52)
2-3/4 (70)
O.D. 3/4
(19.05)
4-5/16 (110)
O.D. 1 (25.4)
I.D. 7/8 (22.2)
3-1/8 (80)
17-13/16 (453)
19-5/16 (491)
4-3/8
(111)
I.D. 1-1/8 (28.58)
I.D. 1/38 (34.9)
I.D. 1-1/8 (28.58)
I.D. 1-1/4 (31.8)
I.D. 1 (25.4)
I.D. 1-1/4 (31.8)
I.D. 1
(25.4)
I.D. 1-1/8
(28.58)
I.D. 1-1/4
(31.8)
I.D. 7/8
(22.2)
I.D. 3/4
(19.05)
I.D. 5/8 (15.88)
I.D. 1/2
(12.7)
AJR54072908
AJR54072904
AJR72963604
AJR54072909 AJR54072910
18-9/16 (471)
20-3/8 (517)
4-15/16
(125)
4-3/4 (120) 5-1/8 (130)
I.D. 3/4 (19.05)
I.D. 5/8
(15.88)
O.D. 7/8 (22.2)
I.D. 1/2 (12.7)
I.D. 3/4
(19.05)
I.D. 7/8 (22.2)
I.D. 1-5/8 (41.3)
I.D. 1-5/8 (41.3)
O.D. 1-3/8
(34.9)
I.D. 1-3/8 (34.9)
I.D. 1-3/8 (34.9)
I.D. 7/8
(22.2)
I.D. 1-1/8
(28.58)
I.D. 1-1/8 (28.58)
I.D. 1-1/2 (38.1)
I.D. 1-5/8 (41.3)
I.D. 1-3/8 (34.9)
I.D. 1-1/2 (38.1)
O.D. 1-1/2
(38.1)
O.D. 5/8
(15.88)
O.D. 1-1/8 (28.58)
3-9/16 (90)
2-3/4 (70)
4-3/4 (120)
I.D. 1-1/2 (38.1)
AJR54072908