Safety Precautions & Warnings - Gree GWH12TB-D3DNA1A Installation, Service & Troubleshooting

Warning
!
Installing, starting up, and servicing air conditioner can be
hazardous due to system pressure, electrical components,
and equipment location, etc. Only trained, qualifi ed
installers and service personnel are allowed to install, start-
up, and service this equipment. Untrained personnel can
perform basic maintenance functions such as cleaning
coils. All other operations should be performed by trained
service personnel. When handling the equipment, observe
precautions in the manual and on tags, stickers, and labels
attached to the equipment. Follow all safety codes. Wear
safety glasses and work gloves. Keep quenching cloth and
fi re extinguisher nearby when brazing. Read the instructions
thoroughly and follow all warnings or cautions in literature
and attached to the unit. Consult local building codes and
current editions of national as well as local electrical codes.
Recognize the following safety information:
Warning: Incorrect handling could result in
!
personal injury or death.
Caution: Incorrect handling may result in minor
!
injury, or damage to product or property.
Warning
!
All electrical work must be performed by a quali ed,
licensed electrician according to local and national
codes as well mas the instructions provided in the
manual.
• Before installing, modifying, or servicing the
system, the main electrical disconnect must be o .
ere may be more than one disconnect switch.
Lock out and tag switch with a suitable warning
label.
• Never supply power to the unit unless all wir-
ing and tubing are completed, reconnected and
checked.
• is system adopts highly dangerous electrical
voltage. Incorrect connections or inadequate
grounding can cause personal injury or death.
Refer to your local and national codes for proper
grounding.
• Have the unit properly grounded with all connec-
tions tight. Loose connections can cause overheat-
ing and a possible re hazard.
Safety Precautions & Warnings
Caution
!
• Never install the unit in a place where a combustible
gas might leak, or it may lead to fi re or explosion.
• Make a proper provision against noise when the unit is
installed at a telecommunication center or hospital.
• Provide a GFIC circuit when the local or national
electric code requires it.
• Never wash the unit with water.
• Handle unit transportation with care. Use two people
when the weight exceeds the capacity for one person.
• Never touch the heat exchanger fi ns with bare hands,
sharp edges could cause personal injury.
• Never touch the compressor or refrigerant tubing
without proper hand protection.
• Do not operate th unit without the air fi lters in place.
• Should any emergency occur, stop the unit and
disconnect the electrical supply.
• Properly insulate tubing running inside the room to
prevent water damage from condensation.
Warning
!
All installation or repair work shall be performed by your
dealer or a specialized subcontractor as there is the risk of
fi re, electric shock, explosion or injury
Warning
!
Pressurized Refrigerant
Personal injury could result in failure to follow this warning.
System contain oil and refrigerant under high pressure,
proper refrigerant handling techniques should be
completed by a qualifi ed technician.
Warning
!
Live Electrical Components
Personal injury, property damage, or death could result in
failure to follow this warning.
Follow all electrical precautions when servicing this
system, it may be necessary to service or troubleshoot with
live electrical circuits. All work should be completed by a
qualifi ed technician.
3