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1.Safety Precautions
․Before installation, carefully read this section in order to install it correctly.
․This manual contains "⚠Danger" . This symbol indicates a hazardous situation which if installed incorrectly
It may result in death or serious injury. Therefore, make sure to observe important message of safety.
․While checking any abnormality during test run after installation, explain to costumer the correct methods of
Usage and maintenance according to the User's Manual. Then hand over the Installation Manual and User's
Manual to the costumer.
Danger : Indicates a hazardous situation which,
If not avoided, may result in death or
serious injury
About Electrical Works
․Assign an authorized dealer to perform the electrical work. Please note that if improperly performed by yourself, it may result in
electric shock.
․Perform electrical work according to relevant national regulations and the installation manual. Make sure to use the exclusive circuit
to avoid electric shock or fire due to insufficient capacity of power or improper work.
․Use only specified wires for wiring between units. Incorrect selection of wires also causes fire or electric shock.
․Ensure that the wiring terminals are tightened securely with the specified torques. If not, a fire or electrical shock at the terminals
⚠
connection part may occur.
․Fix the cables securely. External forces on the terminals could lead to a fire.
Danger
․Installation of an earth leakage breaker (ELB) is necessary. If an ELB is not installed, current leakage may occur.
․When Opening the service cover due to need of wiring work or inspection, make sure to completely cut off power before work to
avoid electric shock.
․Perform grounding according to the grounding work instructions. Incident of electric shock may occur if indoor and outdoor are not
grounded. The ground wire must not be connected to gas pipe, water pipe, lighting rod and ground wire of telephone line. If the
ground wire is not properly connected, it may result in electric shock.
About Installation
․In installation, make sure to follow the instruction manual. If it is not followed, it may result in a water leakage, electric shock or a fire.
․Please install the unit in a location that can provide full support of the unit's weight. Otherwise, the unit may fall and cause injury.
․Do not perform installation at locations subject to existence or entry of flammable gas.
⚠
․Do not climb or put any object on the air conditioner to prevent injury caused by the unit falling.
․In the event of refrigerant leakage, immedietly turn off the fire source (e.g stoves), wipe the refrigerant off the floor, open the door
Danger
and windows for ventilation and then contact the service personnel or the dealer.
․Use the adequate non-flammable refrigerant (R410A) and refrigerant oil (Idemitsu Kosan Co.,Ltd.)(FVC68d) to the outdoor unit in
refrigerant cycle. Charging other refrigerant or refrigerant oil, oxygen, acetylene in the refrigerant cycle may result in explosion or fire.
․It is strictly forbidden to connect any electrical appliances from indoor and outdoor unit terminal blocks and each contact point.
Operating Temperature Range:
Condition
Air Inlet Temperature of Outdoor Unit
Item
Cooling
-5℃ DB ～ 43℃ DB
：Enforcement matters, indicate
Instructing behavior of general use.
：Indicate prohibited item.
：Enforcement matters, machine with
a grounding terminal, the user must
follow the instruction for groundwork.
Air Inlet Temperature of Indoor Unit (Non-room Temperature)
21℃ DB/15℃ WB ～ 32℃ DB/23℃ WB
2
DB: Dry Bulb
WB: Wet
Bulb
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