Zone Control With Depending Module; Deleting Dependent Zone - Riello TAU Unit 140 Installation And Maintenance Manual

5.2.1

Zone control with Depending module

If used on a cascade system, with heating zone control using
DEPENDING thermal module, after carrying out the connections
as described in the Cascade Manual, the following modifications
need to be made.
On the display of the Depending thermal module to which the
zone is connected:
Par. 205
By default the parameter is disabled. To enable the recognition
of the zone the value must be changed from "DIS" to "ENA" and
confirmed.
When the modifications are complete the following new func-
tions will be available on the display of the device:
− in the "Information" menu the number of the connected
zone appears (zone of the dependent), from where it is
possible to display information about it;
− in the "Settings" menu two new lines will be displayed:
− "Config. Zone Dep."
− "Clim. Curve Zone Dep."
− The following new row will apper in the "Clock program"
menu:
− "Program CH Zone Dep."
5.2.2

Deleting dependent zone

To remove a Dependent zone operate in the reverse way to its
installation:
− enter the parameters menu and select the par. 205.
Change its value from "ENA" to "DIS";
On the "Information" menu:
− enter "Status zone dep.";
− select the number of the depending zone;
− The "Detection" field will indicate "NO";
− select "Remove zone" changing to "YES" and confirm.
Now in the "Settings" and "Information" menus the depending
zone will no longer be displayed.
9
For thermal units TAU Unit it is possible to manage only di-
rect Depending zones (high temperature).
The electronic control of the thermal module will automatically
check which zones are connected to the bus.
The zone menu headings in the thermal unit electronic con-
trol will be available on the managing display menu, when 1 or
more zone management devices are detected.
The electronic control of the thermal module remembers the
zone number detected when a device is connected.
The zone number detected is not automatically removed when
the corresponding accessory is no longer connected.
The zone number needs to be removed manually.
Removing the zone number
− remove the bus connection of the zone to be deleted;
− access the Settings/Zone Config./Zone;
− select the disconnected zone;
− go to Remove Zone;
− press the ► key to highlight the values, change them to
"Yes" with the ▲ / ▼ keys, press the ● key to confirm and
remove the zone from the display menus.
Example:
External Zone 2
" "
Detection
" "
Remove Zone
" "
External Zone 2
" "
Detection
" "
Remove Zone
" "
125
SYSTEM MANAGEMENT
No
" "
No
" "
No
" "
Yes
" "