Panasonic U-4LE2H4 Instrucciones De Instalación página 3

When operating in emergency backup
mode and switching from grid power to
off-grid generator power or vice versa to
provide power for the air conditioner, be
sure to follow the guidelines below.
malfunction due to damage to the PCBs
or other causes.
(1) The electrical waveform of the
generator must be a distortion
free sine wave that is within the
frequency and voltage tolerances
defined by the equipment
specifications.
(2) When switching from grid power
to off-grid generator power or
vice versa, first reduce the supply
voltage to 0V and confirm that the air
conditioner has completely stopped
before switching the power source.
When Transporting
out the installation work.
the indoor and outdoor units. Get a
partner to help, and bend your knees
when lifting to reduce strain on your
back. Sharp edges or thin aluminum
fins on the air conditioner can cut your
fingers.
When Installing...
Select an installation location which is
rigid and strong enough to support or
hold the unit, and select a location for
easy maintenance.
...In a Room
Properly insulate any tubing run inside
a room to prevent "sweating" that can
cause dripping and water damage to
walls and floors.
CAUTION the air outlet at least
1.5 m away from the unit.
...In Moist or Uneven Locations
Use a raised concrete pad or concrete
blocks to provide a solid, level foundation
for the outdoor unit. This prevents water
damage and abnormal vibration.
...In an Area with High Winds
Securely anchor the outdoor unit down
with bolts and a metal frame. Provide a
suitable air baffle.
...In a Snowy Area (for Heat Pump-
type Systems)
Install the outdoor unit on a raised
platform that is higher than drifting snow.
Provide snow vents.
When Connecting Refrigerant
Tubing
Pay particular attention to refrigerant
leakages.
WARNING
do not mix air except for
specified refrigerant (R410A)
in refrigeration cycle. It causes
capacity down, risk of explosion
and injury due to high tension
inside the refrigerant cycle.
with a flame, it produces a toxic
gas.
other than specified type. It may
cause product damage, burst and
injury, etc.
event that is refrigerant gas leaks during
the installation. Be careful not to allow
contact of the refrigerant gas with a
flame as this will cause the generation
of toxic gas.
possible.
matching surfaces of the flare and union
tubes before connecting them, then
tighten the nut with a torque wrench for
a leak-free connection.
the test run.
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