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13
Installation
Do not install the air conditioner in the following places
•
Do not install the air conditioner in any place within 1 m from a TV, stereo, or radio set. If the unit is installed in such place,
noise transmitted from the air conditioner affects the operation of these appliances.
•
Do not install the air conditioner near a high frequency appliance (sewing machine or massager for business use, etc.),
otherwise the air conditioner may malfunction.
•
Do not install the air conditioner in locations where iron or other metal dust is present. If iron or other metal dust adheres to
or collects on the interior of the air conditioner, it may spontaneously combust and start a fire.
•
Do not install the air conditioner in a humid or oily place, or in a place where steam, soot, or corrosive gas is generated.
•
Do not install the air conditioner in a salty place such as seaside area.
•
Do not install the air conditioner in a place where a great deal of machine oil is used.
•
Do not install the air conditioner in a place where it is usually exposed to strong wind such as in seaside area.
•
Do not install the air conditioner in a place where sulfureous gas generated such as in a spa.
•
Do not install the air conditioner in a vessel or mobile crane.
•
Do not install the air conditioner in an acidic or alkaline atmosphere (in a hot-spring area or near a chemicals factory, or in a
place subject to combustion emissions). Corrosion may be generated on the aluminum fin and copper pipe of the heat
exchanger.
•
Do not install the air conditioner near an obstacle (air vent, lighting equipment, etc.) that disturbs discharge air. (Turbulent
airflow may reduce the performance or disable devices.)
•
Do not use the air conditioner for special purposes such as preserving food, precision instruments, or art objects, or where
breeding animals or growing plants are kept.
(This may degrade the quality of preserved materials.)
•
Do not install the air conditioner over an object that must not get wet. (Condensation may drop from the indoor unit at a
humidity of 80 % or more or when the drain port is clogged.)
•
Do not install the air conditioner in a place where an organic solvent is used.
•
Do not install the air conditioner near a door or window subject to humid outside air.
Condensation may form on the air conditioner.
•
Do not install the air conditioner in a place where special spray is used frequently.
Be careful with noise or vibrations
•
Do not install the air conditioner in a place where noise by outdoor unit or hot air from its air discharge annoys your neighbors.
•
Install the air conditioner on a solid and stable foundation so that it prevents transmission of resonating, operation noise and
vibration.
•
If one indoor unit is operating, some sound may be audible from other indoor units that are not operating.
12
Operations and performance
Check before running
•
Check whether the earth wire is cut or disconnected.
•
Check whether the air filter is installed.
•
Turn on the circuit breaker 12 hours or more before starting
operation.
3 minutes protection function
3-minutes protection function prevents the air conditioner
from starting for initial 3 minutes after the main power switch
/ circuit breaker is turned on for re-starting the air conditioner.
Auto restart operation
This air conditioner is equipped with an Automatic restarting
facility which allows the air conditioner to resume the set
operating conditions in the event of a supply power shutdown
without the use of the remote controller.
The operation will resume without warning three minutes
after the power is restored.
Power failure
Lightning or a wireless car telephone operating nearby may
cause the unit to malfunction. Turn off the main power switch
or circuit breaker and then turn them on again. Push the
START/STOP button on the remote controller to restart.
Group control
Up to 8 units can be operated simultaneously using a wired
remote controller (sold separately). For details, consult your
local dealer.
Protective device
•
Stops operation when the air-conditioner is overloaded.
•
If the protective device is activated, the unit stops running,
and the operation indicator and check indicator on the
signal receiving unit blink.
If the protective device is activated
•
Turn off the circuit breaker and perform a checkup.
Continued running may cause a malfunction.
•
Check whether the air filter is installed. If not, the heat
exchanger may be clogged with dust and water leakage
may occur.
During cooling
•
The air intake or discharge of the outdoor unit is clogged.
•
Strong wind continuously blows against the discharge of
the outdoor unit.
Do not turn off the circuit breaker
During the air-conditioning season, leave the circuit breaker
turned on, and use the START/STOP button on the remote
controller.
Air conditioner operating conditions
For proper performance, operate the air conditioner under the following temperature conditions:
If air conditioner is used outside of the above conditions, safety protection may work.
Outdoor temperature
: 15 °C to 46 °C (Dry bulb temp.)
Room temperature
: 21 °C to 32 °C (Dry bulb temp.), 15 °C to 24 °C (Wet bulb temp.)
[CAUTION]
Room relative humidity – less than 80 %. If the air conditioner operates in excess of this
figure, the surface of the air conditioner may cause dewing.
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