Important - Parker Hiross ATT025 Manual De Uso

Y
It is recommended to complete this type of starting with the air out-
let valve closed, to preserve the correct operation of the desiccant bed.
4.3 Operation
Leave the dryer in working during the period of working of the air com-
pressor.
• The dryer works automatically, calibrations are not required on the
fi eld;
• if there are excessive and unexpected air fl ows, by-pass to avoid
overloading the dryer.
4.4 Operation with Dew point control
In the case of work loads below the nominal or if you want different dew
point of -40 ° C, it is possible to work in Dew Point Control. The system
automatically controls the time of the cycles of operation to obtain and
maintain the predetermined dew point, with the result of energy saving in
case of work with partial loads.
Procedure to set "dew point control".
Press Prg to enter on main menu
Using Up and Down select
"USER SETTINGS"
Press Enter to confi rm.
Shows the "User settings menu
Using Up and Down select
"DRYER SETTINGS"
Press Enter to confi rm.
Using Up and Down select
U1 - DEWP.SET (°C):
the parameter.
U2 - PRESSURE (barg):
U3 - MODE: Forced Rig.
Press Enter to confi rm.
U4 - ALARM RELAY MODE:
by: ALARMS & WARNINGS
U6 - DPM:
Select the parameter U1- DEWP.SET (°C) and set the value you need.
Press Enter to confi rm. see Table 1 for identifying the correct value
to be set
Select the parameter U6- DPM: set the mode FITTED. Press Enter
to confi rm.
English
Table 1
Dew
Point
-70°C Request for a very low dew point.
-40°C Request for a very low dew point.
(depend on the type of the process.).
-20°C Request for a low dew point.
When the pipes air compressed are in external environ-
ment and the minimum winter ambient temperatures are
above -10 to -15 ° C.
-10°C Request for a low dew point.
When the pipes air compressed are in external environ-
ment and the minimum winter ambient temperatures are
above -5°C.
0°C Request for a dew point standard.
When the pipes air compressed are in external environ-
- - -Main Menu - - -
ment and the minimum winter ambient temperatures are
above 10°C.
START/STOP
USER SETTINGS
Important: for correct readings, the Dew point sensor must work at
SERVICE
INFORMATION
a precise air fl ow, which is adjusted by a fl ow meter (no. 33).
CORRECT CALIBRATION: LEVEL
To ensure optimal Dew point sensor operation, comply with the
- User Settings Menu -
maintenance instructions given in para. 6.4.
DRYER SETTINGS
DATE/TIME
In this regard, the sensor connection is fi tted with a shut-off valve to
BMS
facilitate maintenance
MOISTURE DRAIN
OTHER
LANGUAGE
4.5 Stop
- User Settings Menu - It is possible to stop the dryer in two different mode:
• NORMAL
DRYER SETTINGS
DATE/TIME
• FORCED
BMS
MOISTURE DRAIN Y
OTHER
Is recommended to use the option "Normal".
LANGUAGE
Y
Use the option "Forced" only if necessary.
-40
Mode stop "NORMAL":
07
Press
NO FITTED
to enter on "Main Menu"
Select START/STOP
press Enter to confi rm
Select NORMAL START/STOP
press Enter to confi rm
Application
2 ÷ 5 liters/minutes
- - -Main Menu - - -
START/STOP
USER SETTINGS
SERVICE
INFORMATION
- - -Main Menu - - -
START/STOP
USER SETTINGS
SERVICE
INFORMATION
- On/Off Menu -
NORMAL START/STOP
STOP DIRECTLY
ATT025-040
Press Enter to confi rm the STOP
Y
IMPORTANT: wait for the dryer to perform the complete cycle
of regeneration, IT IS ABSOLUTELY PROHIBITED TO STOP THE
FLOW OF AIR UNTIL THE STOP OF THE DRYER.
Mode stop "FORCED".
Press
to enter on "Main Menu"
Select START/STOP
press Enter to confi rm
Select "Stop Directly"
Press Enter to confi rm
Select YES and confi rm.
After few second the value return
to "NO".
Y

IMPORTANT:

Machine ON: the machine should always work under pressure.
Machine OFF: do not allow air to fl ow into the tanks with the dessi-
cant when the machine is turned off.
ENABLE UNIT RUNNING
STOP
- - -Main Menu - - -
START/STOP
USER SETTINGS
SERVICE
INFORMATION
- - -Main Menu - - -
START/STOP
USER SETTINGS
SERVICE
INFORMATION
- On/Off Menu -
NORMAL START/STOP
STOP DIRECTLY
FORCING SYSTEM OFF
NO
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