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Operation and Maintenance
Envistar Flex
DSEF191101.05.EN
Continuous product development may give rise to specification changes without notice.
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.
1. Follow items 1-7 under
Inspection
.
2. Wipe the fan impeller blades to remove any coatings. Use an environmentally
friendly degreasing agent.
3. The external surfaces of the motor must be kept clean from dust, dirt and oil.
Clean with a dry cloth. In the event of heavy soiling, use an environmentally
friendly degreasing agent. The motor is likely to overheat inside if thick layers
of dirt prevent air from entering the motor to cool the stator structure.
4. Vacuum clean the air handling unit so that particles will not be blown out into
the duct system.
5. Clean the other parts in the same way as the fan impellers. Check that the
inlet cones are securely mounted.
6. Remount the fan units.
Resetting the overheat protection (For ELFF with code -EC01-)
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. Cut the power supply to the fan motor.
2. Wait at least 20 seconds after the fan impeller has stopped rotating.
3. Close the power supply to the fan motor.