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Operation and Maintenance
Envistar Flex
DSEF191101.05.EN
Continuous product development may give rise to specification changes without notice.
Fan
WARNING!
Risk of personal injury.
Rotating fan impellers can cause crushing injuries or
lacerations.
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
before repairs/service.
Wait at least 3 minutes before opening inspection doors.
Rotary heat exchanger
WARNING!
Risk of personal injury.
Rotating thermal wheels can cause crushing injuries or
lacerations.
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
before repairs/service.
Wait at least 3 minutes before opening inspection doors.
Damper
WARNING!
Risk of personal injury.
Moving parts can cause crushing injuries. Never place your
hands inside the damper when it closes.
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
before repairs/service.
Some dampers are closed via spring return in a de-energized
state
Wait at least 3 minutes for the damper to close.
Filter
WARNING!
Risk of personal injury – harmful dust.
Use a face mask/respiratory protection to avoid inhaling dust.
