Parker PDRD Serie Manual De Uso página 134

Changing parameters
x
After displaying the parameter, press
é x
and , then press to confirm.
y
Press to return to STANDARD mode.
5.4 Alarms and Warnings
Alarms cause the dryer to switch off.
Warnings only cause a signal.
In the case of Alarm or Dew Point Sensor Warning (dSE),
displays the alarm code. In the case of a Warning,
tively displays the fault code and the dew point and WARNING
LED comes on.
If an alarm occurs:
1) Identify and eliminate the cause;
z
2) press to reset the alarm;
x
3) press to restart the dryer.
If a warning without automatic reset occurs:
1) identify and eliminate the cause;
z
2) press to reset the warning.
English
List of alarms/warnings
z
HP High Pressure Alarm
, change with
CP Compressor Thermal Protection Alarm
LP Low Pressure Alarm
Ld Low Dew Point Alarm
Lt Low Evaporation Temperature Alarm
High Compressor Discharge Temperature Alarm = T>
Ht
248˚F (120˚C).
Refrigerant Temperature Sensor Warning
rSE rSE
Switches to CONTINUOUS mode.
Condensate Drain Warning
drE drE
[
Condensate drainage switches to TIMED mode.
Dew Point Sensor Warning
[
dSE The measured temperature must return within its normal
alterna-
range.
High Dew Point Warning
Hd Hd
Automatic reset when the dew point = A6 --- 4˚F (2˚C).
HSE Discharge temperature sensor Warning
Scheduled Maintenance Warning
Sr Sr
See par. 5.2 and 6.3.
6 Maintenance
a) The machine is designed and built to guarantee continuous
operation; however, the life of its components depends on the
maintenance performed;
b) when requesting assistance or spare parts, identify the ma-
chine (model and serial number) by reading the dataplate lo-
cated on the unit.
6.1 General instructions
!
Before any maintenance, make sure:
S the pneumatic circuit is no longer pressurized;
S the dryer is no longer powered.
!
Risk of electric shock can cause injury or death.
Disconnect all remote electric power supplies before servicing.
Y
Always use the Manufacturer's original spare parts: other-
wise the Manufacturer is relieved of all liability regarding ma-
chine malfunctioning.
Y
In case of refrigerant leakage, contact qualified and author-
ized personnel.
Y
The Schrader valve must only be used in case of machine
malfunction: otherwise any damage caused by incorrect refriger-
ant charging will not be covered by the warranty.
Z
6.2 Refrigerant
Charging: any damage caused by incorrect refrigerant replace-
ment carried out by unauthorized personnel will not be covered
by the warranty.
Y
At normal temperature and pressure, the R407C refrigerant
is a colourless gas classified in SAFETY GROUP A1 --- EN378
(group 2 fluid according to Directive PED 97/23/EC).
!
In case of refrigerant leakage, ventilate the room.
PDRD265 ---1000
5