F
Operating instructions
cod. 1592001330
1592001330 XC642C GB r1.0 07.06.2004.doc
rel. 1.0
Pa. 2 / 21
CONTENT
1.
GENERAL WARNING ______________________________________________________ 3
1.1
Please read before using this manual ____________________________________________ 3
1.2
Safety Precautions _________________________________________________________ 3
2.
GENERAL DESCRIPRION __________________________________________________ 3
3.
FIRST INSTALLATION _____________________________________________________ 3
3.1
How to select the gas type _________________________________________________________ 4
3.2
How to set the range of the pressure probes ___________________________________________ 4
3.3
How to set the kind of display: relative or absolute pressure _______________________________ 4
4.
USER INTERFACE ________________________________________________________ 5
4.1
Displaying ______________________________________________________________________ 5
4.2
Keyboard _______________________________________________________________________ 5
4.3
Icons __________________________________________________________________________ 6
5.
HOW TO SEE AND MODIFY THE SET POINT ___________________________________ 6
5.1
How to see the set point of compressors ______________________________________________ 6
5.2
How to modify the set point of compressors ____________________________________________ 6
6.
PARAMETERS PROGRAMMING _____________________________________________ 7
6.1
How to enter the “Pr1” parameter list _________________________________________________ 7
6.2
How to enter in parameters list “Pr2” _________________________________________________ 7
6.3
How to change parameter values ____________________________________________________ 7
7.
HOW TO DISABLED AN OUTPUT ____________________________________________ 7
7.1
How to disabled an output during a maintenance session. ________________________________ 7
7.2
Output disabled signalling. _________________________________________________________ 8
7.3
Regulation with some outputs disabled. _______________________________________________ 8
8.
RUNNING HOURS OF LOADS _______________________________________________ 8
8.1
How to display the running hours of a load. ____________________________________________ 8
8.2
How to reset the running hours of a load. ______________________________________________ 8
9.
ALARM MENU ____________________________________________________________ 8
9.1
How to see the alarms_____________________________________________________________ 8
10.
USE OF THE PROGRAMMING “HOT KEY “ ____________________________________ 9
10.1
How to program a hot key from the instrument (UPLOAD) ________________________________ 9
10.2
How to program an instrument using a hot key (DOWNLOAD) _____________________________ 9
11.
KEYBOARD LOCKING _____________________________________________________ 9
11.1
How to lock the keyboard __________________________________________________________ 9
11.2
To unlock the keyboard ____________________________________________________________ 9
12.
LIST OF PARAMETERS ___________________________________________________ 10
12.1
Plant dimensioning and type of regulation. ____________________________________________ 10
12.2
Others inputs configuration ________________________________________________________ 10
12.3
Display and Measurement unit _____________________________________________________ 11
12.4
Compressors regulation __________________________________________________________ 11
12.5
Liquid injection thermostat (Term. 25-26) _____________________________________________ 11
12.6
Alarms – compressor section ______________________________________________________ 11
12.7
Other _________________________________________________________________________ 12
13.
CAPACITY VARIATION WITH SCREW COMPRESSORS _________________________ 12
14.
THERMOSTAT FOR LIQUID INJECTION ______________________________________ 13
15.
TYPE OF REGULATION ___________________________________________________ 13
15.1
NEUTRAL ZONE ________________________________________________________________ 13
15.2
PROPORTIONAL BAND __________________________________________________________ 14
16.
MOUNTING & INSTALLATION ______________________________________________ 15
17.
ELECTRICAL CONNECTIONS ______________________________________________ 15
17.1
Probes connection _______________________________________________________________ 16
