WARNING
Electrical risks
• When sizing wire and completing electrical connections during installation, please follow
local codes and standards.
– Inadequate connections and fastening may generate heat and cause a fire.
• Have all electric work performed by a properly qualified electrician in the state where
the electric work is being performed, according to the "National Electrical Code" and
local electrical codes, "Interior Wire Regulations" and the instructions provided in this
installation manual, and always use a dedicated circuit.
– If the power source capacity is inadequate or electric work is performed improperly,
electric shock or fire may result.
• Keep the electric parts away from water.
– It might result in electric shock, fire, or smoke.
• Do not reconstruct or change the settings of the protection devices.
– If the pressure switch, thermal switch, float switch or other protection devices are
shorted and operated forcibly, or parts other than those specified by Mitsubishi Electric
are used, fire or explosion may result.
• If the supply cord is damaged, it must be replaced by the manufacturer service
personnel or licensed person.
• Be sure to ground the outdoor unit in accordance with local code. Do not connect the
earth cable to any gas pipe, water pipe, lightning rod, or telephone earth cable.
– Incomplete grounding may cause a risk of electric shock.
Specifications are subject to change without notice.
PAA-A18, 24, 30, 36, 42AA1/BA1/CA1 and all-
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