Daikin RZQ18PVJU Installation Manual page 3

• When wiring the power supply and connecting the
remote controller wiring and transmission wiring, posi-
tion the wires so that the terminal cover (panel) can be
securely fastened.
Improper positioning of the electric parts box lid may result
in electric shocks, fi re or the terminals overheating.
• Before touching electrical parts, turn off the power.
• Securely install the outside unit terminal cover (panel).
If the terminal cover (panel) is not installed properly, dust or
water may enter the outside unit and fi re or electric shock
may result.
• When installing or relocating the system, be sure to
keep the refrigerant circuit free from substances other
than the specifi ed refrigerant (R410A) such as air.
Any presence of air or other foreign materials in the refriger-
ant circuit causes an abnormal pressure rise or rupture,
resulting in injury.
• Do not reconstruct or change the settings of the protec-
tion 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 explosion may
result.
• Do not touch the switch with wet fi ngers.
Touching a switch with wet fi ngers can cause electric shock.
• Be sure to install a ground fault circuit interrupter.
Failure to install a ground fault circuit interrupter may result
in electric shocks, or fi re.
• Heat exchanger fi ns are sharp enough to cut.
To avoid injury wear glove or cover the fi ns when working
around them.
• Do not allow children to play on or around the unit as
they could be injured.
• Refrigerant pipes may be very hot or very cold during or
immediately after operation.
Touching them could result in burns or frostbite. To avoid
injury give the pipes time to return to normal temperature or,
if you must touch them, be sure to wear proper gloves.
CAUTION
• While following the instructions in this installation
manual, install drain piping in order to ensure proper
drainage and insulate piping in order to prevent con-
densation.
Improper drain piping may result in water leakage and
property damage.
• Be very careful about product transportation.
• Do not touch the refrigerant pipes during and immedi-
ately after operation.
During and immediately after operation, the refrigerant pipes
may be hot and may be cold, depending on the condition of
the refrigerant fl owing through the refrigerant piping, com-
pressor, and other refrigerant cycle parts. Your hands may
suffer burns or frostbite if you touch the refrigerant pipes.
• Do not turn off the power immediately after stopping
operation.
Always wait at least fi ve minutes before turning off the
power. Otherwise, water leakage and trouble may occur.
• Do not use a charging cylinder.
Using a charging cylinder may cause the refrigerant to
deteriorate.
English
• The refrigerant R410A requires strict cautions for keep-
ing the system clean, dry and tight.
A. Clean and dry
Foreign materials (including mineral oils such as SUNISO
oil or moisture) should be prevented from getting mixed
into the system.
B. Tight
R410A does not contain any chlorine, does not destroy
the ozone layer, and does not reduce the earth's protec-
tion against harmful ultraviolet radiation.
R410A can contribute slightly to the greenhouse effect if it
is released. Therefore we should take special attention to
check the tightness of the installation.
Read the chapter "Refrigerant piping work" carefully and
follow these procedures correctly.
• Since R410A is a mixed refrigerant, the required addi-
tional refrigerant must be charged in its liquid state. (If
the refrigerant is charged in a state of gas, its composi-
tion changes and the system will not work properly.)
The indoor unit is for R410A. See the catalog for indoor unit
models which can be connected.
(Normal operation is not possible when connected to other
units.)
• Do not install the air conditioner in the following loca-
tions:
(a) where a mineral oil mist or an oil spray or vapor is pro-
duced, 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 result in a malfunction of the unit.
(d) where fl ammable gas may leak, where there are carbon
fi ber or ignitable dust suspensions in the air, or where
volatile fl ammables such as thinner or gasoline are
handled.
Operating the unit in such conditions may result in fi re.
• For installation of the indoor units, refer to the installa-
tion manual supplied together with each indoor unit.
• Never operate the air conditioner with the discharge
pipe thermister (R3T), suction pipe thermister (R2T) and
pressure sensors (S1NPH, S1NPL) removed.
Such operation may burn out the compressor.
• Make sure to provide for adequate measures in order to
prevent that the outdoor unit be used as a shelter by
small animals.
Small animals making contact with electrical parts can
cause malfunctions, smoke or fi re. Please instruct the cus-
tomer to keep the area around the unit clean.
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