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x
c) Press
: the POWER LED (2) turns yellow again;
&
d) Turn the MAIN SWITCH "
" to "O OFF" to switch the power off.
Y
Wc version, close the water circuit with the dryer stopped.
5
Control
5.1 Control panel
Display
3
[
è
&
z
y
4
5
é
x
2
Reference
Name
I ON = dryer powered;
1
MAIN SWITCH
O OFF = dryer not powered.
Yellow = dryer powered.
2
POWER LED
Green = dryer operating.
ENERGY
SAVING
Lit = dryer in energy saving con-
3
LED
dition.
Off = no signal.
4
WARNING LED
Flashing = alarm or warning.
5
DRAIN LED
Lit = drain open.
English
Keypad mode
x
ON/OFF BUTTON
z
RESET BUTTON
é
HISTORY BUTTON
y
DRAIN BUTTON
* returns to STANDARD mode after 5 minutes.
5.2 Operation
1
Operation status
With the MAIN SWITCH "
three working conditions are possible::
DRYER
STATUS
Description
1
OFF
2
ON
3
REMOTE OFF
To switch from OFF to ON (and vice versa) press
!
In OFF status the unit remains powered until the MAIN SWITCH"
&
" is turned to "O OFF"!
Y
To manage REMOTE OFF mode, remove the bridge between ter-
minals X4.0 and X4.10 (see par. 8.8) and connect the remote start/stop
switch (to be provided for by the customer).
In ON status, use the button with the following logic:
DRYER STATUS
!
Do not activate ON status (refrigeration compressor operating) more
than 10 times in one hour.
Energy saving function
In ON mode, operating conditions permitting, the dryer reduces energy
consumption by temporarily switching off the refrigeration compressor;
the ENERGY SAVING LED (3) comes on (see Control Panel).
STANDARD
MENU*
Switching on/off
Confi rm
Reset alarm/ warning
Up
Alarm/warning log
Down
Condensate drain
Out
&
" turned to "I ON" (dryer powered)
[
POWER LED
(2)
DISPLAY
Off
Yellow
Dew point
Green
r.OF
Yellow
x
.
X4.0
X4.10
X4.0
X4.10
ON
REMOTE OFF
è
DRD 1200-6000
Scheduled maintenance
[
Y
When the DISPLAY
alternatively shows the Sr warning code
and dew point, contact authorized assistance personnel for carrying out
scheduled maintenance indicated in par. 6.3 and for resetting the warn-
ing code (see par. 5.4 in List of alarm/warnings).
z
Press
to cancel the warning for 24 hours.
Condensate drain
There are three operation modes:
a) INTEGRATED - draining controlled by the level sensor;
b) 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.
This 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
DRD1200
DRD1400-2000
DRD2400-6000
Parameter d1: time open in seconds for every 2 minutes of opera-
tion.
c) EXTERNAL - if there is an external drain.
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).
é
Press
for 5 seconds: the keypad now operates in Alarm
MENU mode and the events can be scrolled with
Every event is displayed with "ALx" (x=1-8).
AL1 = most recent event.
If there are no events "---" appears.
x
To view the details of the event, press
:
ALx
1 Alarm code
2 Thousands of hours
3 Hours
4 Dew point
5 Evaporation temperature
6 Compressor discharge temperature
7 Auxiliary evaporation temperature
Parameter d1
5
10
20
z
é
and
.
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