FRIULAIR AMD 3-168, Руководство пользователя по техническому обслуживанию и запасным частям

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AMD 3 AMD 3 AMD 3 AMD 3----168 168 168 168 ----EN EN EN EN----
5.13. ELECTRONIC LEVEL DRAIN
Instead of the usual drain system (a solenoid valve controlled by means of electronic instrument); an
electronic level controlled drain can be installed as option. This drain consists of a condensate accumulator
where a capacitive sensor continuously checking liquid level is placed: as soon as the accumulator is filled,
the sensor passes a signal to the electronic control and a diaphragm solenoid valve will open to discharge
the condensate. For a complete condensate discharge the valve opening time will be adjusted exactly for
each single drain operation. No condensate strainers are installed. No adjusting is required. A service valve
is installed before the electronic drain in order to make check and maintenance easily.
AT DRYER START-UP VERIFY THAT THIS VALVE IS OPEN.
CONTROL PANEL for Dryers AMD 3-105
The control panel here illustrated allows checking of drain working.
Power : LED - drain ready to work / supplied
Valve : slow blinking led - membrane solenoid valve open / discharging
Alarm : fast blinking led - drain in alarm condition
Test : button - discharge test (keep pushed for 2 seconds)
CONTROL PANEL FOR DRYERS AMD 3-105
The control panel here illustrated allows checking of drain working.
Power : LED - drain ready to work / supplied
Valve : led - membrane solenoid valve open / discharging
Alarm : blinking led - drain in alarm condition
Test : button - discharge test (keep pushed for 2 seconds)
TROUBLE SHOOTING
Only qualified personnel should perform troubleshooting and or maintenance operations.
Prior to performing any maintenance or service, be sure that:
•
no part of the machine is powered and that it cannot be connected to the mains supply.
•
no part of the machine is under pressure and that it cannot be connected to the compressed
air system.
•
Maintenance personnel have read and understand the safety and operation instructions in
this manual.
SYMPTOM POSSIBLE CAUSE - SUGGESTED ACTION
No led lighting up. Verify that the system is powered.
Verify the electric wiring (internal and/or external).
Check internal printed circuit board for possible damage.
Pressing of Test button,
but no condensate
discharge.
The service valve located before the drain is closed - open it.
The dryer is not under pressure - restore nominal condition.
Solenoid valve defective - replace the drain.
The internal printed circuit board is damaged - replace the drain.
Condensate discharge
only when Test button
is pressed.
The capacitive sensor is too dirty - open the drain and clean the sensor plastic
tube.
Drain keeps blowing off
air.
The diaphragm valve is dirty - open the drain and clean it.
The capacitive sensor is too dirty - open the drain and clean the sensor plastic
tube.
Drain in alarm
condition.
The capacitive sensor is too dirty - open the drain and clean the sensor plastic
tube.
The service valve located before the drain is closed - open it.
The dryer is not under pressure - restore nominal condition.
Solenoid valve defective - replace the drain.
NOTE : When the drain is in alarm condition, the diaphragm solenoid valve will open 7.5 sec every 4 min.