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Operation Manual
NCCO Air Treatment Unit
Model No.: EC920
Thank you for choosing RHT product.
Please read this manual prior to operation and maintenance work.
Please read the “Safety Instructions” prior to operation.
Injury or property loss may occur if not operated according to this manual.
Please retain this manual for future reference. (Retain manual in reserve)
Working staff must have undergone professional training provided by manufacturer prior to
installation and maintenance work.
This unit can be used by children aged from 8 years and above and persons with reduced
physical, sensory or mental capabilities or lack of experience and knowledge if they have been
given supervision or instruction concerning use of the unit in a safe way and understand the
hazards involved. Children shall not play with the unit. Cleaning and user maintenance shall not
be made by children without supervision.
If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or
similarly qualified persons in order to avoid a hazard.
Prior to cleaning or maintenance, the unit must be disconnected from the supply mains.