LG ACHH Series Manual page 6

Safety Precautions
n Operation
Do not use the Product in special environments.
- Oil, steam, sulfuric smoke, etc. can significantly reduce the per-
formance of the Product or damage its parts.
Be sure the installation area does not deteriorate with
age.
- If the base collapses, the Product could fall with it, causing
property damage, product failure, or personal injury.
Be very careful about product transportation.
- Do not touch the heat exchanger fins. Doing so may cut your
fingers.
- When transporting the outdoor unit, suspending it at the speci-
fied positions on the unit base. Also support the outdoor unit at
four points so that it cannot slip sideways.
Turn on the power at least 6 hours before starting
operation.
- Starting operation immediately after turning on the main power
switch can result in severe damage to internal parts. Keep the
power switch turned on during the operational season.
Do not operate the Product with the panels or guards
removed.
- Rotating, hot, or high-voltage parts can cause injuries.
When re-running the product after keep product long
time in a low temperature conditions, touch function
may not work temporarily.
- Wait for a time. After time, product work normally.
Field wiring must be installed according to unit wiring
diagram.
- It may cause serious electrical damage can occur.
Electrical power must be applied to the compressor crankcase heaters 3 hours before starting unit to drive off
refrigerant from the oil.
Make the connections securely so that the outside
force of the cable may not be applied to the terminals.
- Inadequate connection and fastening may generate heat and
cause a fire.
Install and insulate the drain hose to ensure that
water is drained away properly based on the installa-
tion manual.
- A bad connection may cause water leakage.
Safely dispose of the packing materials.
- Packing materials, such as nails and other metal or wooden
parts, may cause stabs or other injuries.
- Tear apart and throw away plastic packaging bags so that chil-
dren may not play with them. If children play with a plastic bag
which was not torn apart, they face the risk of suffocation.
Do not touch any of the refrigerant piping during and
after operation.
- It can cause a burn or frostbite.
Do not directly turn off the main power switch after
stopping operation.
- Wait at least 5 minutes before turning off the main power
switch. Otherwise it may result in water leakage or other prob-
lems.
Do not insert hands or other objects through the air
inlet or outlet while the Product is plugged in.
- There are sharp and moving parts that could cause personal
injury.
Do not use an automotive grade antifreeze. Industrial
grade glycols must be used. Automotive antifreeze
contains inhibitors which will cause plating on the
copper tubes within the Product evaporator. The type
and handling of glycol used must be consistent with
local codes.
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