Structure
Definition
Minimum
Maximum
Maximum value of the differential
pressure beyond which an error
is triggered.
0 bar (0 psi)
(3 bar (43.5
psi)
Maximum value of the differential
pressure beyond which a
warning appears in the menu
Status 0.1
0 bar (0 psi)
< value of the
previous
parameter
Delay after starting during which
this protection is inactive.
0 s
120 s
The differential pressure must
exceed the maximum thresholds
during more than 3 s for an error
to be generated.
0 s
10 s
Maximum value of the differential
pressure beyond which a
warning is displayed.
0 bar (0 psi)
1.8 bar (26
psi)
Delay after starting during which
this protection is inactive.
0 s
120 s
The differential pressure must
exceed the maximum thresholds
during more than 5 minutes for an
error to be generated.
0 min
15 min
The presence of two similar protections on this input can be explained as follows:
• The first protection at 1.8 bar (26 psi) is the safety limit beyond which the oil separator faces the risk of
implosion. An error shall therefore be generated if this value is crossed for more than 3 s.
• The second protection at 1.3 bar (19 psi) allows warning the operator that the de-oiler filter is saturated
and has to be replaced. Only a warning shall be displayed if the value of the differential pressure crosses
this threshold for more than 5 minutes.
Emergency Stop
The protections on the input Emergency Stop. Information about the status of the analog input.
Structure
Definition
Minimum
Maximum
An error shall be
generated if the input
Emergency Stop is open.
Open
Closed
Instruction book
62
2920 1804 00
Содержание CPF 175
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Страница 18: ...Flow diagram water cooled compressor with modulating control Instruction book 16 2920 1804 00 ...
Страница 33: ...Menu structure for fixed speed compressors Instruction book 2920 1804 00 31 ...
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Страница 104: ...Electrical connections for IEC variable speed compressors Instruction book 102 2920 1804 00 ...
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