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Operation and Maintenance
Envistar Top 04-21
DSET.220501.07.en
Continuous product development may give rise to specification changes without notice.
1.5 General safety messages
Comply with the following general safety messages.
Lockable safety switch
WARNING!
Risk of serious injury.
Electrical power can cause electric shock, burns and death.
Working on/servicing the unit
–
Shut down the unit via the
service switch in the control equipment, then turn the safety
switch to the 0 position and lock it.
There may be several safety switches serving the different
parts of the unit. All safety switches must be switched off
and locked before repairs/service.
BE CAREFUL!
The safety switch is not designed for starting/stopping the
unit. Always use the service switch in the control equipment
to start and shut down the unit.
Electrical connections
WARNING!
Risk of serious injury.
Electrical power can cause electric shock, burns and death.
Working on/servicing the unit
–
Shut down the unit via the
service switch in the control equipment, then turn the safety
switch to the 0 position and lock it.
There may be several safety switches serving the different
parts of the unit. All safety switches must be switched off
and locked before repairs/service.
WARNING!
Risk of personal injury.
Rotating fan impellers can cause crushing injuries or
lacerations.
The unit must not be energised until all ducts have been
connected.
BE CAREFUL!
Wiring of connections and other electrical work may only be
carried out by a qualified electrician or by service personnel
recommended by IV Produkt.