English
3 / 14
ATT+ 060-090
4 Commissioning
4.1 Preliminary checks
Before starting the dryer, make sure:
• installation was carried out according that given in the section 9.2;
• the air inlet valves are closed and that there is no air fl ow through
the dryer;
• the power supply is correct.
4.2 Starting
Before starting the dryer follow the following instruction:
• Switch the power on by turning the MAIN SWITCH (IG)
&
to “
ON”.
• the crankcase heater will now start heating
!
THE CRANKCASE HEATER MUST BE SWITCHED ON 12
HOURS BEFORE STARTING THE DRYER.
a) touch
to start, the button changes color from gray to green
at the top right,
now works.
b) Start the dryer before the air compressor;
Failure to comply with this rule may cause serious damage to the
compressor.
Y
Fans (Ac version): if connected with the wrong phase sequence
they turn in the opposite direction, with the risk of being damaged (in
this case the air exits the dryer cabinet from the condenser grilles instead
from the fan grille - see par. 8.6 and 8.7 for correct air fl ow); immediately
invert two phases.
c) Wait 5 minutes, then slowly open the air inlet valve;
d) slowly open the air outlet valve: the dryer is now drying.
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
a) Leave the dryer on during the entire period the air compressor is
working;
b) The dryer operates in automatic mode, therefore fi eld settings are
not required;
c) In the event of unforeseen excess air fl ows, by-pass to avoid over-
loading the dryer.
d) Avoid air inlet temperature fl uctuations.
4.4 Stop
a) Stop the dryer 2 minutes after the air compressor stops or in any
case after interruption of the air fl ow;
b) make sure compressed air does not enter the dryer when the dryer is
disconnected or if an alarm occurs.
c) Press
to switch off the dryer.
The button changes the color in grey
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 Home screen (Home)
touch
or
to see the adsorber circuit (Home 1)
or to see the refrigerant circuit (Home 2)