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Safety Check Sheet ＆ Maintenance Sheet
● At least once a year, please do self-inspection due to safety check sheet. If any abnormality occurs, immediately contact electrical worker.
● Receive the check by the specialist in the construction shop etc. once every three years.
● when will use beyond 10 years after installation, At least once a year, please do inspection due et. At least once a year at least, please accept
inspection by a electrical worker to be sure. and When it passes for 15 years after installation, Please stop use promptly and exchange it.
A title
Caution
● Action against abnormal, turn off the power
before, checks by the electrical worker.
Not doing so will result in an electric shock, a fire, or a
drop.
■ Safety Check Sheet (Self-check)：
Contents of inspection
Less than 10 years of use?
Duration
1
of use
More than 15 years of use?
1
Are there condense on the ducts?
Are there stains or discoloration on
2
the inside of the duct?
Are there deposits of dust adhering
3
to the inside of the duct?
Are there an abnormal looseness or
4
gap?
Are the connection parts of duct
5
straight ?
Are there such a strange odor or
6
smell burnt?
■ Maintenance Sheet(The contents of check by electrical worker)
:
Least once every three years during and after completion
A title
Is there condensation?
Mount the duct to the ceiling side directly, Are there
loose the screw?
Are there discoloration or deformation in the plastic
of the duct and
Duct
Are there adhesion and deposition of dust in the inside of a duct? Remove the dirt
Is a straight line connecting duct?
Is the thing which is not an exclusive plug attached to the duct? Exchange plugs.
Are there any slack of a set screw ?
The parts to
connect
Is the duct insufficient to merge ?
・feed-in cap
Is cover detached?
・Center-feed-in joiner
Are there discoloration or deformation in the plastic ？ Change it.
・Joiner
Are there breakage and a crack?
・Joiner L
・End cap
Are there loose the terminal screw?
Correct direction of the attachment to the duct?
Are there loose the terminal screw?
Plug
Is the plastic of the plug discoloring and changing?
Are there breakage and a crack?
Is the electric wire of the plug pulled?
Are there loose hanger nat?
Hanger
Are there loose hanger cap?
Insulation resistance: 0.1 M Ω or more
All
voltage to ground 150 V or less
Check
day
Contents of inspection
Y D M
○：Normal
Result
×：Abnormality
Result
7
Did blocked the earth leakage breakers?
Had the power supply of the apparatus
8
linked to a duct turned on and off ?
２．Where to Find
discoloration
Where to Find：
The plastic part near
the conductor
(Conductor : 2 parts)
※ Gray area
Eliminate the cause of condensation
Retighten
Change it.
Attachment is improved so that it may become a
straight line.
Retighten
Iserts enough to the back.
Replace the cover
Change it.
Retighten
Attach after checking direction.
Retighten
Change it.
Change it.
takes a little longer
Retighten
Turns to the right until it locks.
Do pertain to your particular place and cause
abnormal
3
The check
person in charge
○：Exchange required
●：Finished with exchange
Measures
△：Adjustment required
▲：Finished with adjustment
At least once a year
Contents of inspection
Remedy
Result
Duct
Result
Measures
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