6.11.3
Overview of internal control parameters
The internal control compares the setpoint temperature with the
outflow temperature and calculates the actuating signal, i.e. the
amount to be heated or cooled.
Tab. 7: The following control parameters can be adjusted for
internal control:
Parameter
Description
Unit
Xp
Proportional range
K
Tn
Reset time
s
Tv
Lead time
s
Td
Damping time
s
If Tv manual/auto is set to Auto , Tv and Td cannot be
changed. In this case, they are derived with fixed factors
from Tn.
The temperature limits Tih and Til also influence the
control.
6.11.4
Adjusting internal control parameters
Personnel:
n
Operating personnel
1.
Select the menu item
Control parameter
intern Pt1000
in
the Control menu.
2.
Select one of the following options:
n
You can select any of the listed control parameters.
n
With
Tv manual/auto
, you can define whether the control
parameters
Tv
and
Td
are set manually or automatically.
If the automatic setting is active, both control parameters
are displayed with a padlock and cannot be selected. In
this case, they are derived with fixed factors from
Tn
.
Fig. 40: Internal control parameter
menu
Operation
Variocool
61
Summary of Contents for VC 1200
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Page 48: ...Fig 14 Menu structure part 2 Menu structure for Graph Clock and Standby Operation Variocool 48...
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