Freezing Precautions - LG ACAH020HETB Installation And Owner's Manual

FREEZING PRECAUTIONS

Freezing Precautions
•
• If the chiller will not be operating for an extended period during winter season, drain the circulation water out of the system.
• Add anti-freeze to prevent the circulation water from freezing during the winter season (if design temperature is below 41°F).
• Maintain water flow following design specifications to reduce damage from rusting, scaling, and corrosion.
• LG is not responsible for any chiller damage resulting from poor water quality management or improper water processes.
Inlet Water Pipe To Be Installed Level
The inlet water pipe is to be installed level so that no water remains
in the pipe after draining through the drain hole. If it is not level, wa-
ter will remain in the pipe, which could freeze and damage the pipe /
chiller components. Add a drain hole at the bottom of the pipe.
line, additional drain holes may be required.
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Figure 20: Inlet Water Pipe with Drain Hole.
Drain Hole
Figure 21: Positioning the Drain Hole When Bends or Traps are
Unavoidable.
Drain Hole
Outlet Water
Pipe
Inlet Water
Pipe
Outlet Water Pipe
Inlet Water Pipe
Inle Inlet Water nlet let Wat Drain Hole
Pipe Pipe