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Operation and Maintenance
Envistar Flex
DSEF191101.05.EN
Continuous product development may give rise to specification changes without notice.
6.12 Outdoor exhaust air section with shut-off damper (code EAU)
Outdoor exhaust air section is used to reduce the risk of short-circuiting
between outdoor air and exhaust air.
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 the dampers for tightness when they are 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.
Clean the damper blades with a cloth. In the event of heavy soiling, an
environmentally friendly degreasing agent can be used.