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General
Operating elements
16/232
Building Technologies
HVAC Products
2.2
Operation with operator unit
2.2.1
Functions of the operator unit
The operator unit is used to make all settings and readouts required for operating the
controller. All entries made on the operator unit are transmitted to the controller where
they are handled and stored; the operator unit itself does not store any data. Informa-
tion for the user is generated by the controller and forwarded to the operator unit where
it is displayed.
2.2.2
Operating concept
On the software side, all setting and readout values are arranged as datapoints of the
menu tree. Using the operating elements, every datapoint can be selected, displayed or
set. The LCD shows all menus in cleartext.
The controller is supplied with several languages programmed; when commissioning
the plant, the required language must be activated. The Operating Instructions for the
enduser are included with the controller; they contain the languages with which the
controller is supplied.
2
1
5
2
1
5
1 Display
2 INFO button
Function 1: Display of key plant data
Function 2: Display of information about the individual datapoints on the current
menu
3 OK select-and-push knob
Menu option or adjustment of value
Turn:
Confirm menu line or setting
Press:
4 ESC button:
Going back to the previous menu
5 Fault button with LED
Fault
LED:
Acknowledge or reset fault
Press:
When one of the operating elements is operated, the backlit display is automatically
switched on. If the controller is not operated for 30 minutes, the operator unit switches
itself off and the start page appears.
Boiler Sequence Controller RMK770
2 Operation
3
4
Plug-in type operator unit
RMZ790
3
Detached operator unit
4
RMZ791
CE1P3132en
23.04.2009
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