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Firmware V1.41 V1
08.11.2022
48/219
Parametrisation
The following parameters are required for the ejector control:
Menu
Parameter
Description
Input
Default
Dim.
3-2-2-4
Use Gas-Ej.
Gas ejector operation
Y/N
Y
-
3-2-2-4
Operation Mode
Mode of the gas ejector operation:
0 → Thresholds: using thresholds of the small high pressure valve
and unknown ejector sizes
1 → Ejector size: using global opening degree and parametrisation
of the ejector sizes
0: Thresholds
1: Ejector
Sizes
0
-
3-2-2-4
No. Gas Ejectors
Number of gas ejectors
1...8
6
-
3-2-2-4
Ejector Sizes
Sizes of the gas ejectors
(only visible in the "Ejector Sizes" operating mode")
→
→
3-2-2-4
Size HPV
Size of the small HP valve
0...100
100
%
3-2-2-4
Ej. Equal Sized
Equal size ejectors
(only visible in the "Thresholds")
operating mode
Y/N
N
-
3-2-2-4
Threshold On
Max. threshold of the small HP valve for switching on the next
largest ejector stage
(only visible in the "Thresholds")
operating mode
0...100
70
%
3-2-2-4
Threshold Off
Min. threshold of the small HP valve for switching on the previous
smaller ejector stage
(only visible in the "Thresholds"
operating mode)
0...100
30
%
3-2-2-4
Delay Gas-Ej.
Basic delay time for the switching of the gas ejector stages
0...250
30
s
3-2-2-4
Switch Delta
Switch Delta for exceeding the limit for switching the ejector stages
0...10
0
%
3-2-2-4
Switch Slope
Ramp speed for the switching process from large HP valve to small
HP valve in ejector operation in volts per second
In the case of parametrisation to 5, the ramp speed is 0.5 V/s.
The ramp can be deactivated by setting this parameter to --.
0.1...5.0
5.0
V/s
3-2-2-4
Use Fl-Ej.
Liquid ejector operation
Y/N
Y
-
3-2-2-4
Acc. Level Ctrl
Accumulator level control by liquid ejectors
YES → accumulator level
NO → high pressure with priority according to temperature outside
Y/N
Y
-
3-2-2-4
No. Fl-Ej.
Number of liquid ejectors
0...3
2
-
3-2-2-4
No. Acc.Sens.
Number of accumulator fill level switches
2...4
3
-
3-2-2-4
Delay FlEj.
Delay time for the switching of the liquid ejector stages
0...250
30
s
3-2-2-4
Waiting Time LE
ON
Delay time for loading another liquid ejector stage
0...250
120
s
3-2-2-4
to shift
to shift in ejector operation
0...10
0
K
3-2-2-4
HP-Setp. Evac.
HP setpoint for accumulator evacuation
40...80
--
bar
3-2-2-4
DeltaP MP-LP
DeltaP pressure difference medium pressure to suction pressure
The medium pressure is shifted so that the pressure difference
between MP and LP is always maintained.
3...15
--
bar
3-2-2-4
Enabling by HP
Enable gas ejectors by HP
Y/N
N
-
3-2-2-4
Min HP block
Min HP threshold to block the ejector operation
(only visible if Enabling by HP is set to YES)
75
35...100
bar
Содержание VS 3015 CT
Страница 46: ...Firmware V1 41 V1 08 11 2022 46 219...
Страница 52: ...Firmware V1 41 V1 08 11 2022 52 219 Number of gas ejectors 3 ejectors have the same size YES...
Страница 120: ...Firmware V1 41 V1 08 11 2022 120 219 No Function 1 2 3 4 SHIELD GROUND green CAN LOW brown CAN HIGH white...
Страница 159: ...Firmware V1 41 V1 08 11 2022 159 219 Display of the setpoint characteristic...