Grasso
Refri
eration Division
GRASSO SYSTEM CONTROL
01.2004/1 638660E_chapter1.doc Chap. 1 - 13
1.2.3.5 Alarm menu
25 Alarms
Alarms
View Print
I I >>
View: The alarm number, date, time and status of the alarmare
displayed. Status ‘K’ is logged when the alarm first occurs,
‘Q’ when the alarm is acknowledged and ‘G’ when the
alarm condition has been cleared.
If the cursor is pointing to the alarm number, the alarm
text can be displayed by pressing the
key.
Print: Not used.
Alarms
Number Delete
<< I I >>
Number: Displays how many alarms have been stored and how
many are still active.
Delete: All the alarm signals stored in the buffer can be deleted.
Alarms
Overflow Text
<< I I
Overflow: When switched off it enables a new alarm message to be
displayed even if the fault buffer is full.
Text: Display of all possible alarm messages with alarm number
(see section 6 for details of possible alarms)
1.2.3.6 Timer Settings menu
30 Timer Settings
Start to start
Stop to start
Start to start: Delay between two starts of the compressor in secs
Stop to start: Delay between stop and next start in secs
Time Setting 01 >>
Oil dif start
Oil dif run
Oil dif start: Oil pressure alarm delay during start up in secs
Oil dif run: Oil pressure alarm delay during running in secs
<< Time setting 01 >>
) The sum of these two times may not exceed 60 secs
Unloaded start
Motor feedback
Pump down time
Unloaded start: Time the compressor may run unloaded durin start in secs
Motor feedback: After start output — maximum time to allow feedback
signal from start equipment in secs
<< Time setting 01 >> Pump down time: Maximum time allowed for the pump down in secs
dTo alarm dly
dTm alarm dly
Run. hours
dTo alarm dly: Alarm delay for suction gas overheat alarm in secs
dTm alarm dly: Alarm delay for intermediate gas overheat alarm in secs
Run.hours: Running hours in h
<< Time setting 01