ZIEHL-ABEGG Acontrol PKE-10, Руководство по эксплуатации

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9.3 Pressure control condensers (P-Controller) 3.01
9.3.1 Setting for operation as Pressure controller
28.08.2008
v_set_pke.VSD
%
0 100
R47
set
set
For control with active sensors (0 - 10 V, 4 - 20 mA)
Setting range: 0 - 100 % ≙ measuring range of sensor
28.08.2008
v_nmax_pband_pke.VSD
n-max /
P-band
R
4
9
%
5
30
n-max / Pband
small control range = short control times
big control range = longer control times and (higher controller stability)
For control with active sensors (0 - 10 V, 4 - 20 mA)
Setting range: 0 - 100 % ≙ 5 - 30 % measuring range of sensor
%
0 100
n-min
R
4
8
28.08.2008
v_nmin_pke.VSD
n-min
Minimum output voltage (basic speed)
Setting range: 0 - 100 % ( “ n-min ” takes priority if over “ n-max ” )
9.3.2 Example Pressure control condensers
Pressure sensor
•
Type MBG-30I
•
Measuring range 0 - 30 bar
•
Output signal 4...20 mA
Settings:
•
set = 50 % ≙ 15.0 bar, in use of refrigerant medium table for R507
•
Pband = 10 % ≙ 3.0 bar
U
Motor
50 %
100 %
[bar] / [°C]
50 %
15 bar ^ 34.28 °C @
R507
Set
Pband 10 %
30.09.2008
v_diagramm_bar_c_pke.vsd
18 bar ^ 41.53 °C @ R507
n-min. 0 %
n-min. 35 %
Idealized principle diagram
Operating Instructions Acontrol – model series PKE-6 /-10 / PKE-14 Setting for operation
L-BAL-E042-GB 1002 Index002 Part.-No. 00163314-GB
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