WSU PRODUCT DATA | 59
Water Source Unit Product Data
Due to our policy of continuous product innovation, some specications may change without notication.
© LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG ” is a registered trademark of LG Corp.
ACCESSORIES
• LG headers serve as central connections for multiple runout pipe segments
terminating at indoor units.
• Headers must be used with LG systems and be properly installed following the
instructions in the applicable LG manual. Field-supplied headers are not permitted.
• Kit components must be kept free of debris and dry before installation.
• All Header Kits include:
- Insulation jacket (one each for vapor and liquid pipes)
- Plugging tubes / Insulation for plugging tubes (see Table 26).
Model Fitting Capacity Port Capacity
ARBL054 (4 branch)
≤72,000 connected capacity ≤54,300 per port
ARBL057 (7 branch)
≤75,100 connected capacity ≤54,300 per port
ARBL1010 (10 branch)
≤172,200 connected capacity ≤76,300 per port
ARBL104 (4 branch)
≤305,200 connected capacity ≤76,300 per port
ARBL107 (7 branch)
≤534,000 connected capacity <76,300 per port
ARBL2010 (10 branch)
≤560,000 connected capacity ≤76,300 per port
Table 15: Nominal Capacity Range.
Table 16: Plugging Tubes and Plugging Tube Insulation Amounts.
Header Kits
Plugging Tubes (in OD)
Insulation for Plugging Tubes
1/4 1/2 5/8
ARBL054 (4 port) — — — —
ARBL057 (7 port) 2 2 — 4
ARBL1010 (10 port) 2 2 2 6
ARBL104 (4 port) — — — —
ARBL107 (7 port) 2 2 2 6
ARBL2010 (10 port) 2 2 2 6
Table 17: Insulation Jacket Properties.
Material
Polyolefin Foam
UL94 Flame Classication
HF-1
Density
1.84 lbs./ft.
3
Thermal Conductivity
.0208 Btu/h/ft. ºF
Thickness
1/2 inch
Material
Copper
Design Pressure
550 psig
Table 18: Fitting Properties.
Headers
Figure 6: Header.
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