English
i
Safety considerations
Read these Safety considerations for Installation carefully be-
fore installing an air conditioner or heat pump. After complet-
ing the installation, make sure that the unit operates properly
during the startup operation.
Instruct the customer on how to operate and maintain the
unit.
Inform customers that they should store this Installation
Manual with the Operation Manual for future reference.
Always use a licensed installer or contractor to install this
unit.
Improper installation can result in water or refrigerant leak-
age, electrical shock, fire, or explosion.
Meanings of
DANGER
,
WARNING
,
CAUTION
,
NOTE
and
INFORMATION
symbols:
DANGER . . . . . . . .
Indicates an imminently hazardous
situation which, if not avoided, will
result in death or serious injury.
WARNING . . . . . . .
Indicates a potentially hazardous
situation which, if not avoided,
could result in death or serious
injury.
CAUTION . . . . . . . .
Indicates a potentially hazardous
situation which, if not avoided,
may result in minor or moderate
injury. It may also be used to alert
against unsafe practices.
NOTE . . . . . . . . . . .
Indicates situations that may result
in equipment or property damage
accidents only.
INFORMATION . . .
This symbol identifies useful tips
or additional information.
DANGER
•
Refrigerant gas is heavier than air and replaces oxygen. A
massive leak can lead to oxygen depletion, especially in
basements, and an asphyxiation hazard could occur lead
-
ing to serious injury or death.
• Do not ground units to water pipes, gas pipes, telephone
wires, or lightning rods as incomplete grounding can
cause a severe shock hazard resulting in severe injury or
death. Additionally, grounding to gas pipes could cause a
gas leak and potential explosion causing severe injury or
death.
• If refrigerant gas leaks during installation, ventilate the
area immediately. Refrigerant gas may produce toxic gas
if it comes in contact with fire. Exposure to this gas could
cause severe injury or death.
• After completing the installation work, check that the re-
frigerant gas does not leak throughout the system.
•
Do not install unit in an area where flammable materials
are present due to risk of explosions that can cause seri
-
ous injury or death.
• Safely dispose of all packing and transportation materials
in accordance with federal/state/local laws or ordinances.
Packing materials such as nails and other metal or wood
parts, including plastic packing materials used for trans-
portation may cause injury or death by suffocation.
WARNING
•
Only qualified personnel must carry out the installation
work. Installation must be done in accordance with this in-
stallation manual. Improper installation may result in water
leakage, electric shock or fire.
• When installing the unit in a small room, take measures to
keep the refrigerant concentration from exceeding allow
-
able safety limits. Excessive refrigerant leaks, in the event
of an accident in a closed ambient space, can lead to
oxygen deficiency.
•
Use only specified accessories and parts for installation
work. Failure to use specified parts may result in water
leakage, electric shock, fire or the unit falling.
• Install the air conditioner or heat pump on a foundation
strong enough that it can withstand the weight of the unit.
A foundation of insufficient strength may result in the unit
falling and causing injury.
• Take into account strong winds, typhoons, or earthquakes
when installing. Improper installation may result in the unit
falling and causing accidents.
• Make sure that a separate power supply circuit is provided
for this unit and that all electrical work is carried out by
qualified personnel according to local, state and national
regulations. An insufficient power supply capacity or
improper electrical construction may lead to electric shock
or fire.
•
Make sure that all wiring is secured, that specified wires
are used, and that no external forces act on the terminal
connections or wires. Improper connections or installation
may result in fire.
•
When wiring, position the wires so that the control box
cover can be securely fastened. Improper positioning of
the control box cover may result in electric shock, fire or
the terminals overheating.
• Before touching electrical parts, turn off the unit.
• This equipment can be installed with a Ground-Fault Cir-
cuit Interrupter (GFCI). Although this is a recognized mea-
sure for additional protection, with the grounding system in
North America, a dedicated GFCI is not necessary.
• Securely fasten the unit terminal cover (panel). If the
terminal cover/panel is not installed properly, dust or
water may enter the outdoor unit and could result in fire or
electric shock.
• When installing or relocating the system, keep the refriger-
ant circuit free from substances other than the specified
refrigerant (R410A) such as air. Any presence of air or
other foreign substance in the refrigerant circuit can cause
an abnormal pressure rise or rupture, resulting in injury.
• Do not change the setting of the protection devices. If the
pressure switch, thermal switch, or other protection device
is shorted and operated forcibly, or parts other than those
specified by Daikin are used, fire or explosion may occur.
• Do not install in a wet room such as a bathroom or laundry
room due to a risk of fire or electric shock.
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