York Y7UEC12-6R, Installation & Operation Manual

Page: 2 / 16

Electrical Shock Hazard
• Plug unit only into grounded electrical
outlet.
• Do not use an extension cord or plug
adapter with this unit.
• Do not operate unit with decorative
front or filter removed.
• Failure to follow these precautions
could result in electrical shock, fire or
personal injury.
• If the air conditioner has a serial plate
rating of 115 volts and greater than
7.5 amps it must have its own fuse or
circuit breaker, and no other device
or unit should be operated on that
fuse or circuit breaker. If the air
conditioner has a serial plate rating of
230 volts it must have its own fuse or
circuit breaker, and no other device
or unit should be operated on that
fuse or circuit breaker.
• We recommend that a qualified
electrician install unit in accordance
with the National Electrical Code and
local codes and ordinances.
• Do not operate this air conditioner
without proper time delay circuit
protection. Refer to serial plate for
proper power supply requirements.
• Use copper conductors of correct wire
gauge and protector size only.
• Do not alter cord or plug end. Do not
remove warning label on cord.
Important Grounding
Requirements
• Air conditioner has a three-prong
grounding plug on the power supply
cord, which must be plugged into a
properly grounded three-prong wall
receptacle for your protection against
possible shock hazard. For models up
to and including 7.5 amperes use a
grounding type wall receptacle to
match the cord plug.
• For models above 7.5 amperes use a
single outlet grounding type wall
receptacle to match the cord plug.
Additional Safety Precautions
• Do not cut, alter or remove any of the
expanded polystyrene (white foam)
inside this air conditioner.
• Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
The fumes can create a fire hazard
or explosion.
• Do not introduce objects in the air
discharge area. This could cause
permanent damage to your unit.
• Do not pour liquids on the air
conditioner as this could cause a
malfunction. With the unit unplugged,
use a damp cloth for cleaning your
unit.
• Avoid using strong solvents to clean
the air conditioner.
• Clean the air conditioner filter every
two weeks to avoid overheating
caused by air obstruction. Do not
operate without filter.
• Do not obstruct the air intake area of
your air conditioner, as this could
cause overheating, thus activating
the units security switch and shutting
off the unit.
• Do not block air circulation to outside
louvers of cabinet.
• Do not block air flow inside with
blinds, curtains, or furniture, or
outside with shrubs, enclosures, or
other buildings.
• Do not run the air conditioner with an
outside protective cover in place.
This could result in fire or mechanical
damage within the air conditioner.
2
Electrical Requirements & Safety Precautions
Three-prong grounding plug.
Do not alter plug end.
Single outlet grounding wall receptacle
Grounded three-prong wall receptacle
A
A
B
B
C
C
Warning
RECOMMENDED CIRCUIT
WIRE SIZES
(As installed per building code) :
PROTECTOR SIZE WIRE GAUGE
15 AMP #14 MINIMUM
20 AMP #12 MINIMUM
30 AMP #10 MINIMUM
125V
15A
250V
20A
250V
30A
250V
15A