6-5
“Oil-Less” Scroll Laboratory Air
4107 9006 25.11
6.5 Zero Loss Electronic Drain
6.5.1 Isolation of Zero Loss
Electronic Drain
Before servicing the Zero Loss Electronic
Drain, the drain must be isolated in three
locations. The following valves must be
closed in the following sequence:
1. Receiver drain valve
2. Top knob on manual drain sight glass
3. Valve after the manual drain sight glass
See Figure 6.5 for valve locations.
Receiver Drain
Valve
Electronic
Drain
Sight Glass
Knob
Valve Behind
Sight Glass
Figure 6.5 Electronic Drain Isolation Valves
To bring the electronic drain back into
operation, open each of the valves in the
following sequence:
1. Valve after the manual drain sight glass
2. Top knob on manual drain sight glass
3. Receiver drain valve
6.5.2 Recommended Maintenance
Visual check and function veri
fi
cation:
Inspect the condensate drain for
external damages and leaks.
Check the operating state of the
condensate drain by means of the
LED displays on the control panel.
Push the TEST button in order to verify
the operating status of the discharge
and the correct operation of the valve.
Component Maintenance
activity
Every
day
Every
12
months.
(*)
Condensate
Drain
Visual check
and function
veri
fi
cation.
X
Integrated
fi
l-ter
Cleaning and/
or substitu-tion
of the
fi
lter.
Periodically.
At least once a
month.
Condensate
Drain
Replace worn
out com-
ponents,
subject to
wear and tear,
and clean
condensate
drain.
X
(*) = in the event of applications that are
particularly heavy, dirty, and poorly ventilated,
it should also be foreseen that this frequency is
doubled.
