F
Operating instructions
cod. 1592001330
1592001330 XC642C GB r1.0 07.06.2004.doc
rel. 1.0
Pa. 6 / 21
4.3 ICONS
LED
FUNCTION
MEANING
ON
Celsius degrees
ON
Fahrenheit degrees
bar
ON
bar displaying
PSI
ON
PSI displaying
ON
Load 1 on
Flashing
Load 1 is waiting to start (1HZ). or digital input alarm for Load 1 (2Hz).
o Load 1 in maintenance status (2Hz).
ON
Load 2 on
Flashing
Load 2 is waiting to start (1HZ). or digital input alarm for Load 2 (2Hz).
o Load 2 in maintenance status (2Hz).
ON
Load 3 on
Flashing
Load 3 is waiting to start (1HZ). or digital input alarm for Load 3 (2Hz).
o Load 3 in maintenance status (2Hz).
ON
Load 4 on
Flashing
Load 4 is waiting to start (1HZ). or digital input alarm for Load 4 (2Hz).
o Load 4 in maintenance status (2Hz).
ON
The Maintenance menu has been entered
Flashing
One or more loads have been placed in maintenance status
ON
Alarm is happening
ON
All the stored alarms have been seen.
Flashing
A new alarm has happened
5. How to see and modify the set point
5.1 HOW TO SEE THE SET POINT OF COMPRESSORS
1)
Push and release the
SET
key;
2)
The Lower display will show the
“SEtC”
label, will the Upper display will show its value.
To exit:
push the
SET key
or wait for 30 without pressing any keys.
5.2 HOW TO MODIFY THE SET POINT OF COMPRESSORS
WARNING: before setting the target set points for the first time, check and, if necessary, modify the
type of freon (par. FtyP) and the default unit of measurement (par. dEU) for compressors and fans
PROCEDURE
1.
Set the kind of freon by means of the FtyP parameter (see chapter 3.1
How to select the gas type
)
2.
Set the measurement unit (dEU par.).
3.
Check and if necessary modify the set point limits (LSE and HSE par.).
1.
Push the
SET
key for more than 2 seconds;
2.
The Lower display will show the
“SEtC”
label, will the Upper display will show its value
flashing.
3.
To change the Set value push the
o
o
o
o
or
n
n
n
n
within 30s.
4.
To memorise the new value and pass to the fan set point push the
SET
key.
5.
To change its value push the
o
o
o
o
or
n
n
n
n
within 30s.
To exit:
push the
SET key
or wait for 30 without pressing any keys.
