The control PCB SCU-X01 has two potential-free contacts, which can
be set as required. Depending on the setting, a maximum of two
messages about the status of the boiler can be transmitted. See table
below:
No. C-NO
C-NC
0
Alarm Standby
Alarm Active
1
Alarm inverted = fail safe Active Alarm inverted = fail safe Standby
2
Burning Standby
Burning Active
3
Burning inverted Active
Burning inverted Standby
4
Burning low Standby
Burning low Active
5
Burning high Standby
Burning high Active
6
Service report Standby
Service report Active
7
CH-mode Standby
CH-mode Active
8
DHW-mode Standby
DHW-mode Active
9
CH-pump Standby
CH-pump Active
T002880-A
SCU-X01
X2
X2a
X4
Status
C
Nc
No
C
Nc
No
X3
Status
C
Nc
No
C
Nc
No
CALORA TOWER GAS 15S EX CALORA TOWER GAS 25S EX
CALORA TOWER GAS 35S EX
5. Installation
22/04/2016 - 300026141-001-07
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