GEA Grasso, Руководство пользователя

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Grasso
Refrigeration Division
GRASSO SYSTEM CONTROL
01.200
4
/
1
638660E_chapter1.doc Chap. 1 - 19
Limit disch temp 01 A capacity limitation is active (discharge temperature too high),
the capacity cannot be decreased. In case the discharge temperature rises, the
capacity will be increased.
Limit mot current 01 A capacity limitation is active (motor current too high),
the capacity cannot be increased. In case the motor current rises, the capacity will be
decreased.
Limit ext temp 01 A capacity limitation is active (external temperature too low),
the capacity cannot be increased. In case the external temperature drops, the
capacity will be decreased.
Limit timer 01 The delay time after a limitation is still active.
Pump down 01 Before starting and stopping the compressor, the suction pressure is decreased until
the “Stop pressure” is reached (if the pump down sequence is activated only).
Stopping 01 The compressor unit has received a shutdown command,
the capacity is
decreased
to its minimum.
Compressor off 01 The compressor is switched off and the start is disabled.
Failure 01 A failure on the compressor has occurred, which is still active.
italic writing Text display flashes
Normal writing
Text display is static
The overall status of the compressor unit is displayed with the LEDs in and .
Key Colour Status Explanation
Green Flashing
The unit has received a start request.
The compressor may start.
Green Continuous light The compressor is running.
+
None OFF
The unit is switched off, there is an alarm active. The
alarm light on the cabinet is active.
Red Continuous light The unit is switched off.