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Installer’s Guide
IMPORTANT: Read this entire manual before beginning installation procedures.
Safety Considerations
WARNING: INDICATES A POTENTIALLY
HAZARDOUS SITUATION WHICH, IF NOT
AVOIDED, COULD RESULT IN DEATH OR
SERIOUS INJURY.
CAUTION: Indicates a potentially hazardous situ-
ation which, if not avoided, may result in minor
or moderate injury. It may also be used to alert
against unsafe practices and where property-
damage-only accidents could occur.
NOTICE
Warning and Cautions appear at appropriate
locations throughout this guide. Your personal
safety and the proper operation of this air con-
ditioning product require that you follow them
carefully. The manufacturer assumes no liability
for installations or servicing performed by un-
qualied personnel.
SAFETY HAZARD!
Do not operate the unit without the evaporator fan or coil
access panels in place. Reinstall the access panels after
performing maintenance proceedures on the fan. Operating
the unit without the access panels properly installed may
result in severe personal injury or death.
Reconnect all grounding devices.
All parts of this product that are capable of conducting
electrical current are grounded. If grounding wires, screws,
straps, clips, nuts, or washers used to complete a path to
ground are removed for service, they must be returned to
their original position and properly fastened.
PRECAUTIONARY MEASURES
• Avoid breathing berglass dust
• Use a NIOSH approved dust/mist respirator
• Avoid contact with the skin or eyes. Wear long-sleeved,
loose tting clothing, gloves, and eye protection.
• Wash clothes separately from other clothing, rinse
washer thoroughly.
• Operations, such as sawing, blowing, tear-out, and
spraying may generate ber concentrations requiring
additional respiratory protection. Use the appropriate
NIOSH approved respirator in these situations.
FIRST AID MEASURES
Eye Contact: Flush eyes with water to remove
dust. If symptoms persist, seek medical
attention.
Skin Contact: Wash affected area gently with soap and
warm water after handling.
This product contains berglass wool insulation! Fiber-
glass dust and ceramic bers are believed by the state of
California to cause cancer through inhalation. Glasswool
bers may also cause respiratory, skin, or eye irritation.
EXPLOSION HAZARD!
To prevent an explosion or possible injury, death, and equip-
ment damage. Do not store combustible materials, gasoline,
or other ammable vapors or liquids near the unit.
CONTAINS REFRIGERANT!
SYSTEM CONTAINS OIL AND REFRIGERANT UNDER
HIGH PRESSURE. RECOVER REFRIGERANT TO RELIEVE
PRESSURE BEFORE OPENING SYSTEM. Failure to follow
proper procedures can result in personal illness or injury
or severe equipment damage.
Unit contains R-410A Refrigerant!
R-410A operating pressure exceeds the limit of R-22. Proper
service equipment is required. Failure to use proper service
tools may result in equipment damage or personal injury.
SERVICE
Use only R-410A Refrigerant and approved POE com-
pressor oil.
Hot Surface!
Do Not touch top of compressor. May cause minor to severe
burning.
IMPORTANT: Proper refrigerant charge and proper air flow are
critical to achieve rated capacity and efficiency. Installation of
this product should follow the manufacturer’s refrigerant charging
and air flow instructions. Failure to conrm proper charge and
airow may reduce energy efciency and shorten equipment
life.
IMPORTANT: Wear appropriate gloves, arm sleeve protectors,
and eye protection when servicing or maintaining this equipment.
Note: The packaged units have been evaluated in
accordance with the Code of Federal Regulations,
Chapter XX, Part 3280 or the equivalent.
“SUITABLE FOR MOBILE HOME USE.”
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