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Figure 75: 4-Port Header pipe connections
(See Table 39)
Figure 77: 7-Port Header pipe connections
(See Table 39)
Table 41: Header Dimensions (in)
Model Header Type
ABCDEFGH I J
ARBL054
(4 port)
Liquid
5-29/32 4-23/32 4-3/4 7 9-1/2 11-4/5 14-5/32 — — —
Vapor
5-29/32 4-23/32 4-3/4 7 9-1/2 11-4/5 14-5/32 — — —
ARBL057
(7 port)
Liquid
5-29/32 4-23/32 4-3/4 7 9-1/2 11-4/5 14-5/32 16-1/2 19 21-1/4
Vapor
5-29/32 4-23/32 4-3/4 7 9-1/2 11-4/5 14-5/32 16-1/2 19 21-1/4
ARBL104
(4 port)
Liquid
5-29/32 4-23/32 4-3/4 7 9-1/2 11-4/5 14-5/32 — — —
Vapor
5-29/32 4-23/32 6-3/10 8-3/5 11 13-2/5 15-23/32 — — —
ARBL107
(7 port)
Liquid
5-29/32 4-23/32 4-3/4 7 9-1/2 11-4/5 14-5/32 16-1/2 19 27-9/16
Vapor
5-29/32 4-23/32 6-3/10 8-3/5 11 13-2/5 15-23/32 18-1/10 20-1/2 22-27/32
Header Kits
Table 42: Header Connection Diameters (in)
Model Header Type
Port Identifi er
1234567
ARBL054
Liquid
— 3/8 1/2 3/8 1/4 1/4 3/8
Vapor
— 5/8 3/4 5/8 1/2 1/2 5/8
ARBL057
Liquid
— 3/8 1/2 3/8 1/4 1/2 5/8
Vapor
— 5/8 3/4 5/8 1/2 1/2 5/8
ARBL104
Liquid
— 3/8 1/2 3/8 1/4 1/4 3/8
Vapor
7/8 1 1-1/8 3/4 5/8 1/2 5/8
ARBL107
Liquid
— 3/8 1/2 3/8 1/4 1/4 3/8
Vapor
7/8 1 1-1/8 3/4 5/8 1/2 5/8
A Header is a pipe that serves as a central
connection for multiple runout pipe segments
terminating at indoor units.
All dimensions in inches Internal Diameter. Toler-
ance ± 0.25 inch.
Shipped with plugging tubes (1/4 inch : 2 each, 1/2
inch : 2 each); Shipped with Insulation for plugging
tube (4 pcs).
Shipped with plugging tubes (1/4 inch : 2 each, 1/2
inch : 2 each; 3/5 : 2 each); Shipped with Insula-
tion for plugging tube (6 pcs).
All Headers are shipped with insulation (one each
for vapor and liquid pipes).
Figure 76: 4-Port Header dimensions
(See Table 38)
Figure 78: 7-Port Header dimensions
(See Table 38)
Fitting Properties
Material
Copper
Design Pressure
551 psig
Insulation Jacket Properties
Material
Polyolefi n Foam
UL94 Flame Classifi cation
HF-1
Density
1.84 lbm/ft
3
Thermal Conductivity
.0208 Btuh/ft ºR
Thickness
0.5 Inches
3
A
F
G
E
D
C
B
E
D
C
BA
J
I
H
G
F
Nominal Capacity Range
Model Fitting Capacity Port Capacity
ARBL054 ≤ 54,600 connected capacity ≤ 54,600 per port
ARBL057 ≤ 76,400 connected capacity ≤ 54,600 per port
ARBL104 ≤ 160,400 connected capacity ≤ 76,400 per port
ARBL107 < 160,400 connected capacity < 76,400 per port
12
3
4
5
6
7
Values expressed in BTUs
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