5-1
5. Inspection
/
Maintenance
Warning
Before carrying out the inspection of the fan, be sure to turn off the
main power. Otherwise the fan may suddenly start up during
automatic operation etc., exposing personnel to great danger.
5.1 Periodic
inspection
Caution
Smoke ventilation fans must undergo the statutory inspection.
(Public Notice No.3, Fire Service Act)
Ensure that a qualified person conducts the periodical inspection.
A manager of the building must conduct periodical inspection and maintenance of the fan.
Items of inspection and maintenance to be carried out are shown in the table below.
㩷
Inspection / Maintenance Item
Inspection
Frequency
Inspection / Maintenance Method
Periodical operation
Every 1
month
Carry out test run for about 10 min once
every month.
Re-tightening of
mounting bolts
Re-tighten the mounting bolts.
Smoke Ventilation
Fan
Inspection of smoke
exhaust duct
Every 6
months
Check the connection between a smoke
ventilation fan and duct.
Inspection of wire
connection of motor
Every 6
months
Make sure that the motor wires are
connected tightly.
Motor
Inspection of insulation
of motor
Every 1 year
Measure the insulation resistance of the
motor.