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4.8.
The recommended settings
When a pump model is selected in the Setup Menu a collection of recommended settings for the
selected pump have been preloaded.
In Activation Mode parameters for the pump activation are preloaded, and in Conditioning Mode
parameters for the pump conditioning are preloaded instead.
All parameters are adjustable in the setup menu, but every change of selected pump model or of
operating mode (Activation/Conditioning) restore the default settings.
When you turn off and turn on NEG POWER, the last settings and used parameters are presented
and you can use again pressing start button without any other change. This happens because
NEG POWER stores permanently the current parameters when you press start button.
So it is easy to choose the settings one time and use repeatedly on the same system; if you
change system or usage conditions you can restore default settings and make changes from there.
The default values of Voltage Current Power and Temperature are the maximum recommended
settings for the selected pump.
They are recommended / necessary for pumps without jackets and without heat source nearby. If
the system includes a partial or a full jacket around pump, a lower power is required to reach the
correct Temperature. For more details refer to the pump manual.
It is always possible to regulate Voltage Current and Power values in the setup menu.
NEG POWER operates with a Temperature Control if Tmax parameter is set.
If the pump is equipped with a thermocouple and the Tmax parameter is set to any value apart
from NO TCK, NEG POWER operates with a Temperature Control.
It is recommended to use a Temperature Control whenever it is possible.
In case the thermocouple is not available for the selected pump model, set Tmax parameter to NO
TCK: in this case NEG POWER operates with a Power Control, always limited by Voltage and
Current set values.
Especially when NEG POWER operates with Power Control, in order to reach the correct
Temperature without exceeding it, it is very important to set the appropriate set of Voltage Current
Power values for the specific system configuration.
An example of possible ranges of parameter values are listed in the following table for Activation
Mode with and without jacket; for more details, please, refer to the pump manual.
Activation Mode
NAME
DESCRIPTION
GP 200
st 707
CT D400-2
st 172
CT D1000
st 172
CT D2000
st 172
ATTENTION: SAES Getters is not responsible for damages due to improper use of the
power supply
M.HIST.0101.23 R2
°C
V
Tmax
Vmax
450 °C
52 V
(450 °C)
NO
16 V
TCK
550 °C
43 V
450 °C
110 V
Page 19 of 36
without jacket
A
W
Imax
Pmax
3.8 A
200 W
5 A
90 W
4.3 A
190 W
4.6 A
500 W
with jacket
V
A
W
Vmax
Imax
Pmax
42 V
3.2 A
134 W
12 V
4.5 A
54 W
35 V
3.4 A
119 W
82 V
3.5 A
287 W
th
January, 26
2021
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