Reference
Description
L1
Green LED
Power status indicator
L2
Red LED
Alarm indicator
P1
Multifunctional test button
3.2
Operation logic
NED 4L
Power on
The CPU of the drain starts-up and loads the internal data.
Green LED
Blinks 3 times.
Blue LED
Blinks 2 times.
Purge valve
-
Standby
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
1.
On for 2 seconds.
2.
Off for 30 seconds.
Automatic discharge
Instruction book
12
2920 7213 30
Summary of Contents for NED 4L
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