21
SAFETY PRECAUTIONS
Electric work
Before starting to use the system, read carefully this "SAFETY PRECAUTIONS" to ensure a proper
operation of the system.
Safety precautions described here are classified as " WARNING" and " CAUTION". Precau-
tions which are shown in the column of " WARNING" means that an improper handling could lead to
a grave result like a death,serious injury, etc. However, even if precautions are shown in the col-
umn of " CAUTION", a very serious problem could occur depending on situation. Make sure to
observe these safety precautions faithfully because they are very important information to ensure the
safety.
Symbols which appear frequently in the text have following meanings.
The electric work must be burden on the authorized engineer with qualification for electric
work and grounding work, and the work must be conducted in accordance with electric equip-
ment technical standard.
The power source for the unit is to be of exclusive use.
An earth leakage breaker should be installed. (This is necessary to prevent electric
shock.)
The unit must be grounded.
CAUTIONS FOR INSTALLATION
When you have read through the manual, keep it always at hand for ready consultation. If the opera-
tor is replaced, make sure to hand over this manual to the new operator.
Strictly prohibited.
Observe instructions
faithfully.
Provide a positive
grounding.
WARNING
The system should be applied to
places as office , restaurant,
residence and the like.
The system should be installed
by your dealer or a professional
installer.
When you need some optional devices
such as a humidifier, electric heater,
etc., be sure to use the products
which are recommended by us. These
devices should be attached by a pro-
fessional installer.
Application to inferior environment
such as an engineering shop,could
cause equipment malfunction and seri-
ous injury or death.
Installation by yourself is not encour-
aged because it could cause such prob-
lems as water leakage, electrical shock
or fire accident by some improper han-
dling.
Installation by yourself is not encour-
aged because it could cause such prob-
lems as water leakage, electrical shock
or fire accident by some improper han-
dling.
