EN-3
Safety precautions
The appliance shall be stored in a well-
ventilated area where the room size
corresponds to the room area as specified
for operation.
The staff in servicing operations must
hold the national qualification or other
relevant qualifications.
INSTALLATION PRECAUTIONS
DANGER
Make sure to have the installation
done by your dealer or a specialist.
If you install by yourself and the unit is not
properly installed, water leakage, electric
shock, fire and injuries caused by the drop
of the unit may occur.
RC-HY20/40-W must be installed via
an isolator switch with a minimum
breaking gap of 3 mm.
If the power cable is found to be
damaged, turn off the power and stop
operation.
If the supply cable is damaged, only
MHI, its service representative or
similar authorised person may replace it to
prevent any danger and damage.
CAUTION
Make sure to perform grounding work.
Do not connect grounding wire to any
gas pipe, water pipe, conductor rods or
telephones. Incomplete grounding may
cause electric shock through leakage of
electricity.
Make sure to mount a leakage
breaker.
Otherwise electric shock may occur. Please
consult your dealer or a specialist for the
mounting.
Do not mount where flammable gas
leakage can happen.
If leaked gas stagnates in the unit, the gas
may cause fire.
Make sure to layout the drain pipe so
that the water is completely drained.
Otherwise, water may leak and wet
household goods.
OPERATION PRECAUTIONS
DANGER
Do not expose yourself directly to
radiator or any other heating device
for a long time.
It may cause low temperature burn injury.
Do not set water temperature too
high when under floor heating
application is used.
It may cause low temperature burn injury.
Do not expose yourself directly to
cooled air flow for a long time or cool
too much.
It may be cause of deconditioning or health
disorder.
Do not insert fingers or sticks into the
air inlet or outlet grilles.
It may cause injuries because of the fan
rotating at high speed.
If the unit has been submerged under
water due to a natural disaster such as
flood or typhoon, consult your dealer
before using it again.
If you use it as it stands, it may lead to
failure, electric shock or fire.
If any abnormal symptom (scorched
flavor etc.) is found, cut off the power and
stop the operation.
Then consult your dealer.
If you use it as it stands, it may lead to
failure, electric shock or fire.
One of the causes of poor cooling
or poor heating may be refrigerant
leakage. Please consult your dealer.
If the repair requires additional refrigerant,
determine the service with the service staff.
The refrigerant of air conditioner is not
toxic. Normally the refrigerant does not
leak. But if it leaks and contacts fire such
as fan heater, space heater or cooking
heater, it may produce toxic chemicals.
Do not insert fingers or sticks even if
air blower does not operate.
It may suddenly operate and cause injuries.
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