Y
Phases Monitor
If appears to display the alarm "CP ", during the start up of the dryer, the
user must verify the wiring of the input terminals of the disconnecting
switch of the dryer.
4.3
Operation
• Leave the dryer on during the entire period the air compressor is
working;
• Th e dryer operates in automatic mode, therefore fi eld settings are
not required;
• In the event of unforeseen excess air fl ows, by-pass to avoid over-
loading the dryer.
• Avoid air inlet temperature fl uctuations.
4.4
Stop
• Stop the dryer 2 minutes aft er the air compressor stops or in any
case aft er interruption of the air fl ow;
• Make sure compressed air does not enter the dryer when the dryer
is disconnected or if an alarm occurs.
x
• press
: the POWER LED (2) turns yellow again;
&
• 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
3
Display
[
è
&
z
y
4
5
é
x
2
English
Reference
Name
1
MAIN SWITCH
2
POWER LED
ENERGY SAVING
3
LED
4
WARNING LED
5
DRAIN LED
Keyboard mode
x
Switching no/off
ON/OFF BUTTON
z
Reset alarm/warnigng
RESET BUTTON
é
Alarm/warning log
HISTORY BUTTON
y
Condensate drain
DRAIN BUTTON
*returns to STANDARD mode aft er 5 minutes.
1
5.2
Operation
Operation status
&
With the MAIN SWITCH
working conditions are possible:
DRYER
STATUS
1
OFF
2
ON
Description
I ON = dryer powered;
To switch from OFF to ON turned to "I ON" (and vice versa) press
O OFF = dryer not powered
!
&
Yellow = dryer powered
Green = dryer operating
Y
Lit = dryer in energy saving
tween terminals X4.0 and X4.10 (see par. 8.8.) and connect
the remote start/stop switch(to be provided by the customer).
condition.
In ON status, use the button with the following logic:
Off = no signal
Flashing = Alarm or warning
Lit = Drain open
!
STANDARD
MENU*
more than 10 times in one hour.
Energy saving function
Confi rm
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).
Up
Scheduled maintenance
Y
code and dew point, contact authorized assistance personnel for carry-
Down
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
Out
Condensate drain
Th ere are two operation modes:
turned to "I ON" (dryer powered) three
[
DISPLAY
POWER LED (2)
OFF
Yellow
Dew point
Green
3
REMOTE OFF
r.OF
In OFF status the unit remains powered until the MAIN SWITCH
turned to "I OFF".
To manage REMOTE OFF mode, remove the bridge be-
X4.0
X4.10
DRYER STATUS
ON
Do not activate ON status (refrigeration compressor operating)
è
[
When the DISPLAY
alternatively shows the Sr warning
z
to cancel the warning for 24 hours.
• 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
DRD1200
Yellow
x
.
X4.0
X4.10
REMOTE OFF
Parameter d1
5
3
DRD1200-6000