4
Precautions for Use
Installation
This air conditioner must be installed properly by qualifi ed 
installation technicians in accordance with the Installation 
Instructions provided with the unit.
Before installation, check that the voltage of the electric sup-
ply in your home or offi ce is the same as the voltage shown 
on the nameplate.
WARNING
Avoid the following locations for installation.
Locations where smoke or combustible gas exists.
Also locations of extremely high temperature such as a 
greenhouse.
Locations where excessively high heat-generating ob-
jects are placed.
Attention:
Avoid installing the outdoor unit where salty sea water can 
splash directly onto it or in sulphurous air near a spa.
(To protect the air conditioner from heavy corrosion)
Wiring
All wiring must conform to the local electrical codes.
(Consult your dealer or a qualifi ed electrician for details.)
Each unit must be properly grounded with a ground (or 
earth) wire or through the supply wiring.
Wiring must be done by a qualifi ed electrician.
Operation Preparation
Turn the power mains on 5 hours before 
the start of operation.
(For warm-up)
Leave the power mains ON for continuous use.
ON
NOTE
Pull off the power plug from a receptacle, or switch off the 
breaker, or switch off the power disconnecting mean to isolate 
the air conditioner from the main power supply when not in use 
for a long time.
Operation Condition
Use this air conditioner under the following temperature range.
 
Indoor temperature range:
Cooling mode  14°C ~ 25°C (*WBT) / 18°C ~ 32°C (*DBT)
Heating mode  16°C ~ 30°C (*DBT)
 
Outdoor temperature range:
Cooling mode  -15°C ~ 46°C (*DBT)
    -10°C ~ 43°C (*DBT)*1
Heating mode  -20°C ~ 18°C (*WBT) / -20°C ~ 24°C (*DBT)
    -15°C ~ 18°C (*WBT) / -15°C ~ 24°C (*DBT)*1 
*DBT: Dry bulb temperature
*WBT: Wet bulb temperature
*1  When connecting U-60PEY1E5, U-71PEY1E5, 
U-100PEY1E5, U-100PEY1E8, U-125PEY1E5, 
U-125PEY1E8, U-140PEY1E8
Information for Users on Collection and Disposal of 
Old Equipment and Used Batteries
T
hese symbols on the products, packaging, 
and/or accompanying documents mean that 
used electrical and electronic products and 
batteries should not be mixed with general 
household waste.
For proper treatment, recovery and recycling 
of old products and used batteries, please 
take them to applicable collection points, in 
accordance with your national legislation and 
the Directives 2002/96/EC and 2006/66/EC.
By disposing of these products and batteries 
correctly, you will help to save valuable 
resources and prevent any potential negative 
effects on human health and the environment 
which could otherwise arise from inappropriate 
waste handling.
For more information about collection and 
recycling of old products and batteries, please 
contact your local municipality, your waste 
disposal service or the point of sale where you 
purchased the items.
Penalties may be applicable for incorrect 
disposal of this waste, in accordance with 
national legislation.
For business users in the European Union 
If you wish to discard electrical and electronic 
equipment, please contact your dealer or 
supplier for further information.
[Information on Disposal in other Countries 
outside the European Union] 
These symbols are only valid in the European 
Union. If you wish to discard these items, 
please contact your local authorities or dealer 
and ask for the correct method of disposal.
Pb
Note for the battery symbol (bottom two 
symbol examples):
This symbol might be used in combination with 
a chemical symbol. In this case it complies 
with the requirement set by the Directive for 
the chemical involved.
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