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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.
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Summary of Contents for NCCO EC920
- Page 1 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.
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Page 2: Table Of Contents
PRODUCT SPECIFICATION DEAR VALUED CUSTOMER Thank you for your purchase of the EC920 NCCO Air Treatment Unit. For your safety and to optimize the operating condition of this unit, please read this manual prior to operation and keep it for future... -
Page 3: Safety Instruction
Warm air may release from air outlet when unit is operating at the first time. This is normal due to catalytic oxidation taking place inside NCCO Reactor. To optimize the capacity of the unit, leave unit operating for 15 minutes at the first time of operation. -
Page 4: Parts And Components
PARTS AND COMPONENTS ILLUSTRATION DIAGRAM Leading Screw Installation Location Air Grid Air Grid Control Panel LED Indicator Air Outlet Air Outlet Air Inlet Air Inlet Screw Covering Leading Screw Installation Location Control Panel LED Indicator Display Screen Eco Mode Indicator ON / OFF Indicator Air Speed Increase Indicator Air Speed Reduce Indicator... -
Page 5: Installation Guide
HEPA Filter. Remove the packaging of NCCO Reactor. Reassemble NCCO Reactor and HEPA Filter into unit (Figure 3). First install one group of filters--NCCO Reactor and HEPA Filter. The snapping sound indicates the filters have been correctly installed. - Page 6 **At least two operating personnel shall hold the unit when disassembling equipment to avoid it from falling to the floor when taking off unit from leading screws. PARTS (OPTIONAL): There is optional parts for EC920 as remote system control and other functions. For more details, please contact manufacturer or the authorized service provider.
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Page 7: Remote Control
REMOTE CONTROL INSERT (OR REPLACE) THE REMOTE CONTROL BATTERY: Remove the battery tray from the remote control in the direction of the arrows that shown at the back. Insert a new lithium battery in correct polarities. Slide the tray back until clicking into place. NOTE: Use 1 x 3V lithium battery of CR2025. -
Page 8: Operation Guide
10. 2.6. FILTER INSTALLATION SUGGESTION When HEPA Filter or NCCO Reactor is not correctly installed or has not been installed, “Beep Beep” sound is heard from unit and “EE” displays at control panel. Unit does not operate. Correct Operation: Disconnect power supply, open unit cover to re-install Filter or Reactor. “Beep Beep”... - Page 9 Default NCCO Reactor checking time is 11,000 hours. Time Reminding of NCCO Reactor Checking: When the countdown timer has reached less than 100 hours, there is a reminding of Reactor check where under the Power-On state, “nC” displays at control panel once every 5 seconds and the “Beep Beep”...
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Page 10: Filter Care And Replacement
*The filters cleaning and replacement cycle may vary depending on the operating environment. **If the HEPA filter has not been replaced periodically or it has been damaged, and the surface of NCCO Reactor is covered with dust or oily substances after disassembling, the removal capacity of the NCCO Reactor may be badly reduced and should be replaced. -
Page 11: Trouble Shooting
TROUBLE SHOOTING Problem Solution Check whether unit has been connected with power supply. Turn on the unit. Unit does not operate. Maintenance might be required. Contact service center or authorized service provider immediately. Check whether unit has been connected with power supply. Turn on the unit. -
Page 12: Product Specification
Stage 1 Stage 2 Stage 3 Stage 4 Stage 5 Treatment System Active Oxygen Pre-Filter Static Filter HEPA Filter NCCO Reactor Generator Removes odour, Removes dust, decomposes and Sterilizes, hair and airborne oxidizes Removes dust decomposes particles such as Removes fine...