GEA Bock BCM2000 User Manual
Page 6
6
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09794-05.2012-DGbFEI
Standard settings
Monitoring
Procedure
Value
Motor temperature Compressor switched off at motor overtemperature
130° C
Reset release when cooled down after motor overtemperature
120° C
Oil temperature
Automatic release after the oil has pre-heated
25° C
1)
1)
or automatic release after maximum pre-heating time
30 min
Automatic shut-down of the compressor at oil overtemperature
120° C
Automatic release when cooled down after oil overtemperature
95° C
Automatic shut-down of the compressor at oil undertemperature
17° C
Discharge gas
Shut-down of the compressor at hot gas overtemperature
140° C
temperature
Reset release when cooled down after hot gas overtemperature
130° C
Oil differential
Minimum value for oil differential pressure
0,65 bar
pressure
Shut-down of the compressor when differential pressure too low
0,6 bar
2)
2)
Shut-down delay time when differential pressure too low
90s
A
A
Sensor details
Discharge gas tem-
PTC sensor switching at 140 °C.
perature sensor:
Resistance range 20 - 100 Ω at 15 - 50°C (value for each sensor).
Functioning principle: only slight change in resistance when heated up
below the switching point temperature, but in the switching point range
the resistance value suddenly changes by several kOhm.
Oil temperature sensor:
Sensor KTY84-130 (see diagram: resistance temperature curve)
Functioning principle: resistance value changes according to the
change in oil temperature
Differential pressure switch: ∆P Reed contact, IP 65
Switching current: 30 mA, switching power: max.
30 VA; Ambient temperature: -30 … +70°C
brown
red
orange
L+
∆P good
red
orange
L+
∆P bad
brown
KTY84-130
Adjustable settings
All the errors saved in BCM 2000 (up to 170) incl. the operating hours counter total can be read out
with a PC, the reading program on CD-ROM and the cable. In addition, the following trigger settings
can be changed on the spot depending on the prevailing conditions:
Out-of-step:
Compressor blocked after every standart shut-down: 180 s
Variable time range:
0 - 255 s
For rack operation, set this position to “0” or hide with bypass switch 7,
see pos. 7 in the chapter “error messages – information messages –
emergency operation.
Oil pressure error time: Shut-down delay (standart setting):
90 s
Variable time range:
15 - 90 s
Rotation detection:
Vibration factor (standart setting):
2
Variable time range:
0 - 40