Parker 250, Руководство пользователя

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250
3
English
5 Control
5.1 Control panel
3
4
2
1
y
x é
z
[
&
Display
Reference Name Description
1
MAIN SWITCH
I ON = dryer powered;
O OFF = dryer not powered
2
POWER LED
Yellow = dryer powered
Green = dryer operating
3
WARNING LED
Off = no signal
Flashing = Alarm or warning
4
DRAIN LED Lit = Drain open
Keyboard mode STANDARD MENU*
x
ON/OFF BUTTON
Switching no/off Confi rm
z
RESET BUTTON
Reset alarm/warnigng Up
é
HISTORY BUTTON
Alarm/warning log Down
y
DRAIN BUTTON
Condensate drain Out
*returns to STANDARD mode aft er 5 minutes.
5.2 Operation
Operation status
With the MAIN SWITCH
&
turned to “I ON” (dryer powered) three
working conditions are possible:
DRYER
STATUS
DISPLAY
[
POWER LED (2)
1 OFF OFF Yellow
2 ON Dew point Green
3 REMOTE OFF r.OF Yellow
To switch from OFF to ON turned to “I ON” (and vice versa) press
x
.
!
In OFF status the unit remains powered until the MAIN SWITCH
&
turned to “I OFF”.
Y
To manage REMOTE OFF mode, remove the bridge be-
tween terminals X4.0 and X4.10 (see par. 8.8.) and connect
the remote start/stop switch(to be provided by the customer).
In ON status, use the button with the following logic:
X4.0 X4.10 X4.0 X4.10
DRYER STATUS ON REMOTE OFF
!
Do not activate ON status (refrigeration compressor operating)
more than 10 times in one hour.
Scheduled maintenance
Y
When the DISPLAY
[
alternatively shows the Sr warning
code and dew point, contact authorized assistance personnel for carry-
ing out scheduled maintenance indicated in par. 6.3 and for resetting the
warning code (see par. 5.4 in List of alarm/warnings).
Press
z
to cancel the warning for 24 hours.
Condensate drain
Th ere are two operation modes:
• TIMED - check that the automatic condensate drainage system is
working properly.
Use manual drainage to check that condensate is not retained as this
is symptomatic of poor drainage.
Th
is check of the timed drain opening (parameter d1).
Settings depends upon the operating conditions of the dryer and var-
ies the amount of condensate to be removed.
For standard dryer operating conditions, see the following table of
recommended settings:
Model Parameter d1
250 5
• EXTERNAL - if there is an external drain (24VAC).
To change operation mode, use the parameter d3 (see par. 5.3 in List
of parameters).
Y
Only set the EXTERNAL mode in absence of the solenoid valve.
Otherwise the relative coil could become damaged.
Alarm log
Contains the descriptions of the last alarms (max. 8).
Press
é
for 5 seconds: the keypad now operates in Alarm MENU
mode and the events can be scrolled with
z
and
é
.
Every event is displayed with “ALx” (x=1-8).
AL1 = most recent event.
If there are no events “---“ appears.