GEA Grasso Manual page 22

System control standard package with piston compressors single stage and two stage
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Grasso
Refrigeration Division
Suction press
Psuc hi alarm
High warning
-
<<
Limit values 01
Suct dif temp
dTo low alarm
Low warning
+
<<
Limit values 01
Interm press
Pint hi alm n1
Pint hi alm n2
<<
Limit values 01
Interm press
Pint hi alarm
High warning
-
<<
Limit values 01
Intm dif temp
dTm low alarm
Low warning
+
<<
Limit values 01
Disch press
Pdis hi alarm
High warning
-
<<
Limit values 01
Pdis hi alarm
High limit
-
Decr limit
-
<<
Limit values 01
Chap. 1 - 10
Suction press:
Psuc hi alarm:
High warning:
>>
Suct dif temp:
dTo low alarm:
Low warning:
>>
Interm press:
Pint hi alm n1:
>>
Pint hi alm n2:
Interm press:
Pint hi alarm:
(a)
High warning:
>>
Intm dif temp:
dTm low alarm:
Low warning:
>>
Disch press:
Pdis hi alarm:
High warning:
>>
Pdis hi alarm:
High limit:
>>
Decr limit:
638660E_chapter1.doc
Actual suction pressure in bar (a)
Actual alarm limit for maximum suction pressure in bar (a)
Enter the warning value as an offset to the
alarm value in bar
Actual suction gas overheat in K
Alarm limit for minimum suction gas overheat in K
Enter the warning value as an offset to the
alarm value in K
Actual intermediate pressure in bar (a)
Alarm limit for maximum intermediate pressure in bar (a) at
low motor speed
Alarm limit for maximum intermediate pressure in bar (a) at
high motor speed
Actual intermediate pressure in bar (a)
Actual alarm limit for maximum intermediate pressure in bar
Enter the warning value as an offset to the
alarm value in bar
Actual intermediate gas overheat in K
Alarm limit for minimum intermediate gas overheat in K
Enter the warning value as an offset to the
alarm value in K
Actual discharge pressure in bar (a)
Alarm limit for maximum discharge pressure in bar (a)
Enter the warning value as an offset to the alarm value
in bar
Alarm limit for maximum discharge pressure in bar (a)
Begin of the discharge pressure limitation -
enter value as an offset to the alarm value in bar
Begin of the forced decreasment of the capacity due to
high discharge pressure -
enter value as an offset to the alarm value in bar
GRASSO SYSTEM CONTROL
01.2004/1

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