York YHKJXH012BAM--FX, Service Manual

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Safety Precautions
Before Installing (Relocating) the Unit or Performing Electric Work
Ground the unit.
Do not connect the grounding on the unit to gas pipes,water
pipes, lightning rods, or the grounding terminals of
telephones. Improper grounding presents a risk of electric
shock, smoke, fire, or the noise caused by improper
grounding may cause the unit to malfunction.
Before the Test Run
Do not operate switches with wet hands to avoid electric.
Allow for at least five minutes before turning off the unit,
otherwise the unit may leak water or experience other
problems.
Do not turn off the power immediately after stopping the unit.
If the wires are too taut, they may break or generate heat
and/or smoke and cause fire.
Make sure the wires are not subject to tension.
Install a breaker for current leakage at the power source
to avoid the risk of electric shock.
Without a breaker for current leakage, there is a risk of
electric shock, smoke or fire.
Use breakers and fuses (electrical current breaker, remote
switch<Type-B fuse>,molded case circuit breaker)
with a proper current capacity.
The use of large-capacity fuses, steel wire, or copper wire
may damage the unit or cause smoke or fire.
When installing draining pipes, follow the instructions in the
manual, and make sure that they properly drain water so as
to avoid dew condensation.
If not installed properly, they may cause water leaks and
damage the furnishings.
Do not spray water on the air conditioners or immerse the
air conditioners in water.
Water on the unit presents a risk of electric shock.
Periodically check the platform on which is placed for damage
to prevent the unit from falling.
If the unit is left on a damaged plarform, it may topple over,
causing injury.
Things such as nails may be included in the package.
Dispose of them properly to prevent injury.
Plastic bags present a choking hazard to children. Tear
up the plastic bags before disposing of them to prevent
accidents.
Properly dispose of the packing materials.
Do not touch the refrigerant pipes with bare hands during
and immediately after operation.
Depending on the state of the refrigerant in the system,
certain parts of the unit such as the pipes and compressor
may become very cold or hot and may subject the person
to frost bites or burning.
Do not operated the unit without panels and safety guards
in their proper places.
They are there to keep the users from injury from
accidentally touching rotating, high-tempreture or high-
voltage parts.
Dust particles in the air may clog the system and cause
malfunction.
Do not operate the unit without air filters.
Caution
Caution
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