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MULTI V Water IV System Installation Manual
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.
SAFETY PRECAUTIONS
The instructions below must be followed to prevent product malfunction, property damage, injury or death to the user or other people. Incor-
rect operation due to ignoring any instructions will cause harm or damage. The level of seriousness is classified by the symbols below.
This symbol indicates an imminently hazardous situation which, if not avoided, will result in death
or serious injury.
This symbol indicates a potentially hazardous situation which, if not avoided, could result in death
or serious injury.
This symbol indicates a potentially hazardous situation which, if not avoided, may result in minor
or moderate injury.
Note:
This symbol Indicates situations that may result in equipment or property damage accidents only.
This symbol indicates an action that should not be performed.
TABLE OF SYMBOLS
The information in this manual is intended for use by
trained, experienced, heating, ventilation, and air condition-
ing (HVAC) technicians who are familiar with variable refrig-
erant ow (VRF) HVAC systems and are equipped with the
proper tools and test equipment. Have an emergency plan.
Know how to obtain emergency medical and reghting as-
sistance.
Failure to carefully read and follow all instructions in this manual can
result in equipment malfunction, property damage, personal injury or
death.
If any system components containing refrigerant are installed
in a small space, take measures to prevent the refrigerant
concentration from exceeding safety limits in the event of a
refrigerant leak.
Consult the latest edition of the American Society of Heating, Refrig-
erating, and Air Conditioning Engineers (ASHRAE) Standard 15. If
the refrigerant leaks and safety limits are exceeded, it could result in
personal injuries or death from oxygen depletion.
Install the unit in a safe location. Avoid areas where it can be
stepped on or fallen into.
There is risk of unit damage, physical injury or death.
Do not install, remove, or re-install the unit by yourself
(end-user). Ask the dealer or a trained technician to install
the unit.
Improper installation by the user may result in water leakage, re,
explosion, electric shock, physical injury or death.
For replacement of an installed unit, always contact an
authorized LG service provider.
There is risk of re, electric shock, explosion, and physical injury or
death.
Do not install the water source units outside.
There is risk of re, electric shock, explosion, and physical injury
or death.
Water source units are shipped with refrigerant and the
service valves closed. Do not open service valves on the
unit until all non-condensibles have been removed from the
piping system and authorization has been obtained from the
commissioning agent.
There is a risk of physical injury or death.
Do not run the compressor with the service valves closed.
There is risk of explosion, physical injury, or death.
Periodically check that the water source unit is not damaged.
There is risk of explosion, physical injury, or death.
Replace all control box and panel covers.
If cover panels are not installed securely, dust, water and animals
may enter the unit, causing re, electric shock, and physical injury or
death.
Always check for system refrigerant leaks after the unit has
been installed or serviced.
Exposure to high concentration levels of refrigerant gas may lead to
illness or death.
Do not install the unit using defective attaching, or mounting
hardware. Do not install the unit on a defective stand.
There is risk of physical injury or death.
Wear protective gloves when handling equipment.
Sharp edges may cause personal injury.
INSTALLATION
Don’t use or store ammable gas or combustibles near the unit.
There is risk of re, explosion, and physical injury or death.
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