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29
General Installation Guidelines
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
MULTI
F
MAX
MULTI
F
Y-Branch Kit Insulation
Each Y-branch kit comes with clam-shell type peel-and-stick insu-
lation jackets molded to fit the Y-branch fittings—one for the liquid
line, one for the vapor line.
• Check the fit of the Y-branch clam-shell insulation jacket after the
Y-branch is installed.
• Mark the pipe where the insulation jacket ends.
• Remove the jacket.
• Install field-provided insulation on the pipes first.
• Peel the adhesive glue protector slip and install the clam-shell
jacket over the fitting
Liquid and Gas
Pipe Joints
Y-Branch Kit Insulation
Insulation for
Field-Installed Piping
Field-Supplied Insulation Tape
Figure 26: Y-branch Insulation Detail.
Material Polyolefin Foam
8/)ODPH&ODVVLÀFDWLRQ HF-1
Density 1.84 lbs./ft.
3
Thermal Conductivity .0208 Btu/h/ft. ºR
Thickness 1/2 inch
Table 16: Insulation Jacket Properties.
No Pipe Size Substitutions
Use only the pipe size selected by the LATS Multi F pipe system design software or as conveyed in the product installation instructions.
Using a different size is prohibited and may result in a system malfunction or failure to work at all.
Figure 27: Installing Piping Above and Below an Obstacle.
Above an obstacle.
3X
Minimum
Below an obstacle.
Obstacles
When an obstacle, such as an I-beam or concrete T, is in the path
of the planned refrigerant pipe run, it is best practice to route the
pipe over the obstacle. If adequate space is not available to route
the insulated pipe over the obstacle, then route the pipe under the
obstacle. In either case, it is imperative the horizontal section of pipe
above or below the obstacle be a minimum of three (3) times greater
than the longest vertical rise (or fall) distance.
Piping Materials and Handling
GENERAL INSTALLATION GUIDELINES
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