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Safety Precaution - Hitachi air Home 300 RAK-CH18PCAST Operation Manual

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SAFETY PRECAUTION

Please read the "Safety Precaution" carefully before operating the unit to ensure correct usage of the unit.
Pay special attention to signs of "
observed strictly, may cause death or serious injury. The "Caution" section contains matters which may result in serious
consequences if not observed properly. Please observe all instructions strictly to ensure safety.
The sign indicate the following meanings.
Make sure to connect earth line.
Indicates the instructions that must be followed.
Please keep this manual after reading.
W
This symbol shows that this equipment uses
A
a fl ammable refrigerant.
R
If the refrigerant is leaked, together with an
N
I
external ignition source, there is a possibility
N
of ignition.
G
C
A
This symbol shows that the Operation
U
T
Instructions should be read carefully.
I
O
N
Do not reconstruct the unit.
!
Water leakage, fault, short circuit or fi re may occur if you reconstruct the unit by yourself.
W
Please ask your sales agent or qualifi ed technician for the installation of your unit. Water leakage, short circuit
A
or fi re may occur if you install the unit by yourself.
R
N
Please use earth line.
I
Do not place the earth line near water or gas pipes, lightning-conductor, or the earth line of telephone. Improper
N
installation of earth line may cause electric shock.
G
Be sure to use the specifi ed piping set for R32. Otherwise, this may result in broken copper pipes or faults.
A circuit breaker should be installed depending on the mounting site of the unit. Without a circuit breaker, the
!
danger of electric shock exists.
Do not install the unit near a location where there is fl ammable gas. The outdoor unit may catch fi re if
fl ammable gas leaks around it.
Please ensure smooth fl ow of water when installing the drain hose.
PRECAUTIONS DURING SHIFTING OR MAINTENANCE
Should abnormal situation arises (like burning smell), please stop operating the unit and turn off the circuit
breaker. Contact your agent. Fault, short circuit or fi re may occur if you continue to operate the unit under
abnormal situation.
!
Please contact your agent for maintenance. Improper self maintenance may cause electric shock and fi re.
W
Please contact your agent if you need to remove and reinstall the unit. Electric shock or fi re may occur if you remove
A
and reinstall the unit yourself improperly.
R
If the supply cord is damaged, it must be replaced by the special cord obtainable at authorized service/parts centers.
N
I
If the air conditioner is not cool, one possible cause could be due to refrigerant leakage, so consult your dealer.
N
The refrigerant gas used in the air conditioner is harmless. But if refrigerant gas leaks into the room, harmful products
G
are generated when in contact with fi re from appliances such as a stove heater.
When there is refrigerant gas accumulation in the room, immediately stop the air conditioner. Open the windows for
ventilation and contact your agent.
!
W
A
R
N
I
N
G
!
Warning" and "
EXPLANATION OF SYMBOLS DISPLAYED ON UNIT
PRECAUTIONS DURING INSTALLATION
PRECAUTIONS DURING OPERATION
Avoid an extended period of direct air fl ow for your health.
Do not insert a fi nger, a rod or other objects into the air outlet or inlet. As the fan
is rotating at a high speed, it will cause injury. Before cleaning, be sure to stop
the operation and turn the breaker OFF.
Do not use any conductor as fuse wire, this could cause fatal accident.
!
Caution". The "Warning" section contains matters which, if not
The sign in the fi gure indicates prohibition.
C
A
U
T
I
O
N
C
A
U
T
I
O
N
– 2 –
This symbol shows that a service personnel
should be handling this equipment with
reference to the Installation Manual.
This symbol shows that there is information
included in the Operation Manual and/or
Installation Manual

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