Riello TAU Unit 50 Installation And Maintenance Manual page 103

Hardware configuration
S1 = OFF (not used)
DIPSWITCH = 10000000
Key
Setting the Dip-switch
ON DIP
1 2 3 4 5 6 7 8
9
For further information see section "System management".
OFF
S1
ON
Dip switch ON
Dip switch OFF
Thermal Module
Configuration
1st module (Managing)
CONFIGURATION OF CASCADED THERMAL UNITS
DEPENDING CONNECTIONS 1
MO1
28
INAIL
27 INAIL
26
...
23 +5V
GND
22
21 SIGNAL
20
...
16
15
14
13
...
10
9
8
...
2
BUS 2
1
M01 Low-voltage terminal board
pm Minimum pressure switch
pb Lockout pressure switch
FL Flow-meter
TA/OT Room thermostat / Open Therm Interface
S1 Zone 1 sensor
SC Secondary circuit sensor
BUS 2 Bus Depending
103
pb
P.123 = 2
pm
FL
P.117 = 3
TA/OT
S1 P.188 = 2
SC
P.122 = 3
BUS 2
depending 2
terminals 1 e 2