(9). After connecting the interconnecting and supply wiring, be sure to shape the cables
so that they do not put undue force on the electrical covers or panels. Install covers over
the wires. Incomplete cover installation may cause terminal overheating, electrical
shock, or fire.
(10). After all installation is complete, check to make sure that there is no refrigerant
leakage.
(11). If the supply cord is damaged, it must be replaced by the manufacturer, its service agent
or similarly qualified persons in order to avoid electrical risk during and after replacement.
(12). If any refrigerant has leaked out during the installation work, ventilate the room. (The
refrigerant produces a toxic gas if exposed to flames.)
(13). When installing or relocating the system, be sure to keep the refrigerant circuit free from
substances other than the specified refrigerant (R410A), such as air. (Any presence of air
or other foreign substance in the refrigerant circuit can cause an abnormal pressure rise
or rupture, resulting in injury.)
(14). During pump-down, stop the compressor before removing the refrigerant piping. If the
compressor is still running and the stop valve is open during pump-down, air will be
sucked in when the refrigerant piping is removed, causing abnormal pressure in the
refrigerant cycle which could lead to breakage and even injury.
(15). During installation, attach the refrigerant piping securely before running the compressor. If
the compressor is not attached and the stop valve is open during pump-down, air will be
sucked in when the compressor is run, causing abnormal pressure in the refrigerant cycle
which could lead to breakage and even injury.
(16). Be sure to establish a ground. Do not ground the unit to a utility pipe, arrester, or
telephone ground. Incomplete ground may cause electrical shock, or fire. A high surge
current from lightning or other sources may cause damage to the air conditioner.
(17). Be sure to follow your local, state and National Electric Codes when grounding this unit.
(18). This appliance is not intended for use by persons with a lack of experience and
knowledge, unless they have been given supervision or instruction concerning use of the
appliance by a person responsible for their safety.
(19). Children should be supervised to ensure that they do not play with the appliance.
(20). If the supply cord is damaged, it must be replaced by the manufacturer, its service agent
or similarly qualified persons in order to avoid a hazard.
CAUTION!
This air handling unit is intended for free-air discharge or for connection to a duct
supplying only one room. Improper installation could contribute to the spread of
smoke or flame in the event of a fire.
Do not install the air conditioner in a place where there is danger of exposure to flammable gas
leakage. If gas leaks and builds up around the unit, it may result in fire.
NOTICE!
(1) Establish drain piping according to the instructions of this manual. Inadequate piping may
cause flooding.
(2) Tighten the flare nut according to the specified method such as with a torque wrench. If the
flare nut is tightened too hard, the flare nut may crack and cause refrigerant leakage.
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