System Management; Communication Between The Thermal Modules; Cascade Parameter Setting - Riello TAU Unit 140 Installation And Maintenance Manual

SYSTEM MANAGEMENT

5 SYSTEM MANAGEMENT
5.1 Communication between the thermal
modules
Communication between all the modules installed is a funda-
mental aspect in a system with multiple thermal modules.
The essential steps for configuration are:
− make the managing module recognise which and how
many depending modules are present in the system. This
is done via the parameter "(147) Number of Units" (in the
managing module) and the parameter "(189) Burner Ad-
dress" in all thermal modules in the cascade;
− connect the thermal modules with a BUS cable to allow
communication between the control units.
5.1.1

Cascade parameter setting

The parameters of all thermal modules present must be set cor-
rectly.
This way the controller of the Managing module will be able to
recognise which thermal modules are present in the system.
Configuration
S1 = OFF (not used)
(189) Burner Address = Managing
OFF
S1
ON
Set the main switch of the system to ON and ONLY the main
switch of the thermal module to be configured to (I).
After switching the appliance on, the display shall look as shown
in the figure below:
12.0 °C
" "
CH Setpoint
" "
Press the MENU key and select "Settings" with the ▲ / ▼ keys
Menu
" "
Central Heating (CH)
"
Information
" "
Settings
" "
System Test
" "
Confirm with the ● key and select "PB Configuration" with the
▲ / ▼ keys
Settings
" "
Boiler Settings
" "
Clock Settings
" "
PB Configuration
" "
Appliance Configuration
"
Confirm with the ● key and select "MN Parameters" with the ▲
/ ▼ keys
PB Configuration
" "
MN Parameters
" "
Confirm with the ● key and select the correct "Enabled" address
from those displayed with the ▲ / ▼ keys
PB Configuration
" "
MN Parameters
" "
Press the ESC key to return to the previous menu
120
48.0 °C
" "
"
"
Enabled
"
Enabled
"
04:29
"
"