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• 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 licensed or certified in their jurisdiction
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 service lid can
be securely fastened. Improper positioning of the service
lid may result in electric shock, fire, or the terminals
overheating.
• Before touching electrical parts, turn off the unit.
• The circuit must be protected with safety devices in
accordance with local and national codes, i.e. a circuit breaker.
• Securely fasten the outdoor unit service lid. If the service
lid is not installed properly, dust or water may enter the
outdoor unit causing fire or electric shock.
• When installing or relocating the system, keep the refrigerant
circuit free from substances other than the specified
refrigerant (R32) such as air. Any presence of air or other
foreign substance in the refrigerant circuit can cause an
abnormal pressure rise or rupture, which may result in
equipment damage and even 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 use means to accelerate the defrosting process (if
possible) or to clean, other than those recommended by
the manufacturer.
• The appliance must be stored in a room without continuously
operating ignition sources (for example: open flames, an
operating gas appliance or an operating electric heater).
• Do not pierce or burn.
• Be aware that refrigerants may not contain an odor.
• Comply with national gas regulations.
CAUTION
• Do not touch the switch with wet fingers. Touching a switch
with wet fingers can cause electric shock.
• Do not allow children to play on or around the unit to prevent injury.
• Wear adequate personal protective equipment (protective
gloves, safety glasses,...) when installing, maintaining or
servicing the system.
• The heat exchanger fins are sharp enough to cut. To avoid
injury, wear gloves or cover the fins while working around
them.
• Do not touch the refrigerant pipes during and immediately
after operation as the refrigerant pipes may be hot or
cold, depending on the condition of the refrigerant flowing
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.
• Install drain piping to ensure proper drainage. Improper drain
piping may result in water leakage and property damage.
• 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.
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• Do not use a charging cylinder. Using a charging cylinder
may cause the refrigerant to deteriorate.
• Refrigerant R32 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.
(b) Tight -- R32 does not contain any chlorine, does not
destroy the ozone layer, and does not reduce the earth's
protection again harmful ultraviolet radiation. R32 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 and follow the procedures.
• The outdoor unit is for R32. See the catalog for indoor
models that can be connected. Normal operation is not
possible when connected to non-compatible indoor units.
• Remote controller (wireless kit) transmitting distance can be
shorter than expected in rooms with electronic fluorescent
lamps (inverter or rapid start types). Install the indoor unit
far away from fluorescent lamps as much as possible.
• Do not install the air conditioner or heat pump in the
following locations:
(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 malfunction.
(d) Where flammable gas may leak, where there is carbon
fiber, or ignitable dust suspension in the air, or where
volatile flammables such as thinner or gasoline are
handled. Operating the unit in such conditions can
cause a fire.
• 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 fire. Instruct the user to keep the
area around the unit clean.
• Servicing shall be performed only as recommended by the
manufacturer and licensed or certified in their jurisdiction.
NOTE
• The outdoor unit should be positioned where the unit and
power supply wires (breaker panel to outdoor unit) are at
least 10ft (3m) away from any televisions or radios. (The
unit may cause interference with the picture or sound.)
Depending on the radio waves, a distance of 10ft (3m)
may not be sufficient 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.
• Only use tools for R32 or R410A, such as a gauge
manifold, charge hose, gas leak detector, reverse flow
check valve, refrigerant charge base, vacuum gauge, or
refrigerant recovery equipment.
• If the conventional refrigerant and refrigerator oil are
mixed in R32, the refrigerant may deteriorate.
• As maximum allowable pressure is 604psi (4.17MPa), the
wall thickness of field-installed pipes should be selected
in accordance with the relevant local, state, and national
regulations.
RN006(R32)-U
2
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