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Installation and Maintenance
1. Safety Notice and Tips
WARNING
• Install the air conditioner on a solid base that can support the unit's weight. (An inadequate base or incomplete
installation may cause injury, due to falling off from the base.)
• Electrical work should be carried out in accordance with the installation manual and the local and national
electrical wiring rules or codes.
(Insufficient capacity or incomplete electrical work may cause electrical shock or fire.)
• Be sure to use a dedicated power circuit. (Never use a power supply shared by another appliance.)
• For wiring, use a cable long enough for the entire distance, and do not use an extension cord.
• Do not put other loads on the power supply, and ensure a dedicated power circuit is used.
• Use the specified types of wires for electrical connections between the indoor and outdoor units. (Firmly clamp
the interconnecting wires so that the terminals receive no external stress.)
• Incomplete connections or clamping may cause terminal overheating or fire.
• After establishing connection between all the wires, secure the cables to prevent undue force on the electrical
covers or panels. (Install covers over the wires. Incomplete cover installation may cause terminal overheating,
electrical shock, or fire.)
• There is 100PSIG of high pressure nitrogen in the evaporator, that must be released it first before installation.
It indicates that the evaporator is sealed if nitrogen escapes, otherwise, it can indicate an evaporator leak.
• When installing or relocating the system, be sure to keep the refrigerant circuit free from air (Air in the
refrigerant circuit may cause an abnormal pressure rise or rupture, resulting in injury or damage.
• If any refrigerant leakage occurs during the installation work, ventilate the room liberally.
• After all installation is completed, ensure that no refrigerant leaks. (The refrigerant can produce toxic gas if
exposed to flames.)
• When carrying out piping connections, do not allow air substances other than the specified refrigerant to enter
the refrigeration cycle, else it can cause decreased performance, abnormally high pressure in the refrigeration
cycle, explosion, and injury.)
• Ensure that the installation has a proper ground-earth connection. Do not ground the unit to a utility pipe,
arrester, or telephone grounding. Incomplete grounding may cause electrical shock. (A high surge current from
lightning or other sources may cause damage to the air conditioner.)
• An earth leakage circuit breaker may be required depending on the site condition, to prevent electrical shock.
• Disconnect the power supply before wiring, piping, or checking the unit.
2. Installation of the Indoor Unit
2.1 Initial Check
·When moving the unit after unpacking, exercise caution to not exert any pressure on other parts,
especially the refrigerant piping, drain piping and flange parts.
·Wear personal protective equipment when installing the unit.
CAUTION
＞0
＞0
＞0
≥25
≥40
≥40
Front of Unit
Clearance in the Vertical Position Clearance in the Horizontal Position
Air Inlet
(Unit:in.)
Air Outlet
5
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