V 01/2016
8 Design and Function RT100 Control System
Parameter Menu
The parameter menu is activated by pressing the Parameter button in
this menu, all the parameters can be configured by turning/pressing the
RCD control knob.
RT100 Control System - Functions
Powering Up
Upon switching on the main switch, OFF appears in the display. The
RT100 Control System is now ready for operation and is switched on by
pressing the ON/OFF button, or by the timer, through a digital input or an
interface.
Depending on the programming, the set-point and actual values, as well
as information on the operational state of the control system or the tem-
perature control unit are displayed.
Rotational field detection / Direction reversal
The rotary field detection of the RT100 Control System detects a wrong
phase sequence and reports this in the display or corrects the direction of
rotation automatically.
Power Down
The RT100 Control System is switched off by pressing the ON/OFF but-
ton, or by the timer, through a digital input or an interface.
Depending on the temperature of the heat transfer medium, the switching
off program runs as follows:
The pump and the control system are turned off. The RT100
Control System is in standby mode and the display is OFF
The pump continues to run. The device cools till the temperature
of the heat transfer medium has reached the programmed run-on
temperature then, the pump and the control system are turned
off. In the case of devices using pressurised water, the pump
runs for a few seconds in the opposite direction (pressure re-
lease). The RT100 Control System is in standby mode and the
display is OFF
Leak-stop operation
The leak-stop operation is activated by pressing the F3 key and selecting
the leak-stop symbol and is only possible if it is supported by the device
type.
The leak stop operation is only possible if water is used as the heat trans-
fer medium and the set-point value is in the vicinity of the value run-on
temperature (0-80 °C). Pressurised water units do not have any leak-stop
operation.
When oil is used as a heat transfer medium, the set-point value must be
within the range 0-250 °C. The heating capacity is then max. 60 %, since
the thermal load of the oil must be kept low owing to the reduced pump
capacity.
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