The drain is ready to operate: activation through floater movement. Every 30 minutes a routine to
keep the drain clean from oil/ condensate residuals starts.
Green LED
On
Blue LED
-
Purge valve
On until the condensate chamber is almost empty.
Cleaning routine
If the floater is stuck at the top, after 10 sec the drain starts a cleaning operation. When the floater
moves down, that routine stops immediately and the drain goes to standby.
Green LED
On
Blue LED
-
Purge valve
1.
On for 2 seconds, off for 2 seconds. (This is repeated 30 times.)
2.
Paused for 1 minute.
3.
On for 2 seconds, off for 2 seconds. (This is repeated 30 times.)
Timer routine
If the floater is still stuck after the cleaning routine has been completed, the drain switches to the
timer routine. When the floater moves down, that routine stops immediately and the drain goes to
standby.
Green LED
-
Blue LED
On
Purge valve
1.
On for 1 second.
2.
Off for 60 seconds.
Manual discharge
Press the test button to discharge manually. The drain discharges condensate for 1 second, even if
test button remains pressed. To discharge for more than 1 second, you need to press test button
repeatedly.
Green LED
On
Blue LED
-
Purge valve
On until the test button is pushed.
Reset
Press the test button for 5 seconds to reset the drain.
Green LED
1.
Both LEDs are off for 2 seconds.
2.
The green LED blinks 3 times.
3.
The blue LED blinks 2 times.
Blue LED
Purge valve
-
Instruction book
2920 7213 30
13
Summary of Contents for NED 4L
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