10
NEFFES Antiviral Air Purifier
User Manual
DEVICE FUNCTIONS
1. On/Off
Connect the device to a power supply and press “ON/OFF” button on the control panel. The
device will start running with the fan in the 1st stage.
When the device starts to run, the UV-C lamp will be in closed position.
Press the “UV-C” button in the keypad to turn on the lamp. When the lamp is on, the led
near the “UV-C” lamp will turn on.
2. Speed Selection
The device has 5 different speed settings.
Each time you press the “FAN SPEED” button on the keypad on the device, the fan speed
will up to the next level and the LEDs will light up one by one. For example, when the device
is in the 3rd speed stage, all the 3 LEDs will light up.
When the fan is in the last stage, if the button is pressed once, the fan speed will switch to
the 1st stage.
When the device works again after a power outage, it will resume the previous mode.
3. Alarms
The device has 3 alarms.
“PRE-FILTER” alarm;
This is a time-adjusted alarm and gives a filter replacement alarm
after 1000 working hours under average pollution conditions.
Press and hold the “FAN SPEED” button for 5 seconds to reset this warning after you clean
or replace the filter. Then, the warning light will off.
“HEPA” alarm;
It is on when the hepa filter gets dirty so as to affect the device performance.
When you change the hepa filter, the filter differential pressure sensor will detect it and the
warning light will off.
“LAMP” alarm;
This is a time-adjusted alarm and gives alarm after the lifetime of UV-C
lamp (8000 hours) is expired. Press and hold the “UV-C” button for 5 seconds to reset this
warning after you replace the UV-C lamp. Then, the warning light will off.
Summary of Contents for NEFFES NFS-1000-U
Page 1: ...USER MANUAL ...
Page 2: ......
