LG LMCN077HV Installation Manual page 6

SAFETY INSTRUCTIONS
Wiring
DANGER
High voltage electricity is required to operate this system.
Adhere to the NEC code and these instructions when wiring.
Improper connections and inadequate grounding can cause accidental
injury or death.
Always ground the unit following local, state, and NEC codes.
There is risk of fire, electric shock, and physical injury or death.
Turn the power off at the nearest disconnect before servicing
the equipment.
Electric shock can cause physical injury or death.
The information contained in this manual is intended for use
by an industry-qualified, experienced, trained electrician
familiar with the U.S. National Electric Code (NEC) who is
equipped with the proper tools and test instruments.
Failure to carefully read and follow all instructions in this manual can
result in equipment malfunction, property damage, personal injury or
death.
All electric work must be performed by a licensed electrician
and conform to local building codes or, in the absence of
local codes, with the National Electrical Code, and the
instructions given in this manual.
If the power source capacity is inadequate or the electric work is not
performed properly, it may result in fire, electric shock, physical injury or
death.
Ensure the system is connected to a dedicated power source
that provides adequate power.
If the power source capacity is inadequate or the electric work is not
performed properly, it may result in fire, electric shock, physical injury or
death.
Note:
Do not cut, lengthen or shorten the communications and
power cable between any dry contact unit and its connected
indoor unit. Do not install the unit in a location where the
communications and power cable cannot be safely and easily
connected between the two units.
this cable.
Poor cable connections can cause equipment malfunction.
6
Do not allow strain on
Due to our policy of continuous product innovation, some specifications may change without notification.
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Properly size all circuit breakers or fuses.
There is risk of fire, electric shock, explosion, physical injury or death.
Do not use damaged or loose power wiring.
modify or extend the outdoor unit's power wiring randomly.
Ensure that the power wiring will not be pulled nor weight be
placed on the power wiring during operation.
There is risk of fire, electric shock, and physical injury or death.
Refer to local, state, and federal codes, and use power wires
of sufficient current capacity and rating.
Wires that are too small may generate heat and cause a fire.
Secure all field wiring connections with appropriate wire
strain relief.
Improperly securing wires will create undue stress on equipment power
lugs. Inadequate connections may generate heat, cause a fire and
physical injury or death.
Properly tighten all power connections.
Loose wiring may overheat at connection points, causing a fire, physical
injury or death.
Do not change the settings of the protection devices.
If the protection devices have been bypassed or are forced to operate
improperly, or parts other than those specified by LG are used, there is
risk of fire, electric shock, explosion, and physical injury or death.
Do not supply power to the unit until all electrical wiring,
controls wiring, piping, installation, and refrigerant system
evacuation are completed.
System may malfunction.
F
MULTI
F
MULTI MAX
Do not