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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 shocks, fi re, or
the terminals overheating.
•
Before touching electrical parts, turn off the unit.
•
Be sure to install a ground fault circuit interrupter if one
is not already available. This helps prevent electrical
shocks or fi re.
•
Securely fasten the outdoor unit terminal cover (panel).
If the terminal cover/panel is not installed properly, dust
or water may enter the outdoor unit causing fi re or
electric shock.
•
When installing or relocating the system, keep the
refrigerant circuit free from substances other than the
specifi ed refrigerant (R410A) such as air. Any presence
of air or other foreign substance in the refrigerant cir-
cuit 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 specifi ed by Daikin are used, fi re or explo-
sion may occur.
CAUTION
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Do not touch the switch with wet fi ngers. Touching a
switch with wet fi ngers can cause electric shock.
•
Do not allow children to play on or around the unit to
prevent injury.
•
Do not touch the refrigerant pipes during and immedi-
ately after operation as the refrigerant pipes may be hot
or cold, depending on the condition of the refrigerant
fl owing through the refrigerant piping, compressor, and
other refrigerant cycle parts. Your hands may suffer
burns or frostbite if you touch the refrigerant pipes. To
avoid injury, give the pipes time to return to normal
temperature or, if you must touch them, be sure to wear
proper gloves.
•
Heat exchanger fi ns are sharp enough to cut.
To avoid injury wear glove or cover the fi ns when work-
ing around them.
•
Install drain piping to proper drainage. Improper drain
piping may result in water leakage and property dam-
age.
•
Insulate piping to prevent condensation.
•
Be careful when transporting the product.
•
Do not turn off the power immediately after stopping
operation. Always wait for at least 5 minutes before
turning off the power. Otherwise, water leakage may
occur.
•
Do not use a charging cylinder. Using a charging cylin-
der may cause the refrigerant to deteriorate.
•
Refrigerant R410A in the system must be kept clean,
dry, and tight.
(a) Clean and Dry -- Foreign materials (including mineral
oils such as SUNISO oil or moisture) should be
prevented from getting into the system.
English
(b) Tight -- R410A does not contain any chlorine, does
not destroy the ozone layer, and does not reduce the
earth's protection again harmful ultraviolet radiation.
R410A can contribute to the greenhouse effect if it is
released. Therefore take proper measures to check
for the tightness of the refrigerant piping installation.
Read the chapter Refrigerant Piping Work and follow
the procedures.
•
Since R410A is a blend, the required additional refriger-
ant must be charged in its liquid state. If the refrigerant
is charged in a state of gas, its composition can change
and the system will not work properly.
•
The indoor unit is for R410A. See the catalog for indoor
models that can be connected. Normal operation is not
possible when connected to other units.
•
Remote controller (wireless kit) transmitting distance
can be shorter than expected in rooms with electronic
fl uorescent lamps (inverter or rapid start types). Install
the indoor unit far away from fl uorescent lamps as
much as possible.
•
Indoor units are for indoor installation only. Outdoor
units can be installed either outdoors or indoors.
•
Do not install the air conditioner in the following loca-
tions:
(a) Where a mineral oil mist or oil spray or vapor is
produced, for example, in a kitchen.
Plastic parts may deteriorate and fall off or result in
water leakage.
(b) Where corrosive gas, such as sulfurous acid gas, is
produced.
Corroding copper pipes or soldered parts may result
in refrigerant leakage.
(c) Near machinery emitting electromagnetic waves.
Electromagnetic waves may disturb the operation of
the control system and cause the unit to malfunc-
tion.
(d) Where fl ammable gas may leak, where there is car-
bon fi ber, or ignitable dust suspension in the air, or
where volatile fl ammables such as thinner or gaso-
line are handled. Operating the unit in such condi-
tions can cause a fi re.
•
Take adequate measures to prevent the outdoor unit
from being used as a shelter by small animals. Small
animals making contact with electrical parts can cause
malfunctions, smoke, or fi re. Instruct the customer to
keep the area around the unit clean.
NOTE
•
Install the power supply and control wires for the indoor
and outdoor units at least 3.5 feet away from televisions
or radios to prevent image interference or noise.
Depending on the radio waves, a distance of 3.5 feet
may not be suffi cient to eliminate the noise.
•
Dismantling the unit, treatment of the refrigerant, oil and
additional parts must be done in accordance with the
relevant local, state, and national regulations.
•
Do not use the following tools that are used with con-
ventional refrigerants: gauge manifold, charge hose,
gas leak detector, reverse fl ow check valve, refrigerant
charge base, vacuum gauge, or refrigerant recovery
equipment.
•
If the conventional refrigerant and refrigeration oil are
mixed in R410A, the refrigerant may deteriorate.
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