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Operation and Maintenance
Envistar Flex
DSEF191101.05.EN
Continuous product development may give rise to specification changes without notice.
6.15 Filter bypass (code ENFT-10)
The purpose of the filter bypass is to reroute the air flow in the event of a fire.
Faulty function gives rise to disturbances that may result in serious problems.
Inspection
DANGER!
Risk of serious personal injury and/or damage to air handling
unit.
Read and understand the entire chapter "1.5 General safety
messages" before working on, servicing, or inspecting the air
handling unit.
1. Check the function of the damper actuator.
2. Check that damper tightens when closed. If they are not sealed, adjust the
damper actuator to make the damper tight.
3. Check the sealing strips.
4. If the damper is not working, check that there are no screws penetrating the
drive mechanism/damper blades to interfere with damper function.
Cleaning
DANGER!
Risk of serious personal injury and/or damage to air handling
unit.
Read and understand the entire chapter "1.5 General safety
messages" before working on, servicing, or inspecting the air
handling unit.
Vacuum and/or wipe all surfaces with a damp cloth. If more intense cleaning is
needed, do so with rotating nylon brushes.