Panasonic U-10MF1E8 Service Manual page 3

When Connecting Refrigerant Tubing
• When performing piping work do
not mix air except for specifIed
refrigerant (R410A) in refrigeration
cycle. It causes capacity down, and
WARNING risk of explosion and injury due to
high tension inside the refrigerant
cycle.
• Refrigerant gas leakage may cause
fire.
• Ventilate the room well, in the 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 poisonous gas.
• Keep all tubing runs as short as possible.
• Use the flare method for connecting tubing.
• Apply refrigerant lubricant to the matching surfaces
of the flare and union tubes before connecting them,
then tighten the nut with a torque wrench for a leak-free
connection.
• Check carefully for leaks before starting the test run.
• Do not leak refrigerant while piping work for an
installation or re-installation, and while repairing
refrigeration parts.
Handle liquid refrigerant carefully as it may cause
frostbite.
When Servicing
• Turn the power OFF at the main power box
(mains) before opening the unit to check or repair
electrical parts and wiring.
• Keep your fingers and clothing away from any moving
parts.
• Clean up the site after you finish, remembering to
check that no metal scraps or bits of wiring have been
left inside the unit being serviced.
• Do not clean inside the indoor and
outdoor units by users. Engage
authorized dealer or specialist for
cleaning.
WARNING
• In case of malfunction of this
appliance, do not repair by yourself.
Contact the sales dealer or service
dealer for repair.
• Do not touch the air inlet or
the sharp aluminum fins of the
CAUTION
outdoor unit. You may get hurt.
• Ventilate any enclosed areas when
installing or testing the refrigeration
system. Escaped refrigerant gas, on
contact with fire or heat, can produce
dangerously toxic gas.
• Confirm after installation that no
refrigerant gas is leaking. If the gas
comes in contact with a burning stove,
gas water heater, electric room heater
or other heat source, it can cause the
generation of poisonous gas.
Others
• Do not touch the air inlet or
CAUTION
the sharp aluminum fins of the
outdoor unit. You may hurt.
• Do not sit or step on the unit,
you may fall down accidentally.
• Do not stick any object into the
FAN CASE.
You may be injured and the
unit may be damaged.
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