19
912.807.1 - GB
INSTALLATION AND OPERATING MANUAL
12.2 COMMERCIALLY AVAILABLE STORAGE BOILERS
The diameter of the storage boiler thermostat trap must be greater than 7 mm.
The storage boiler probe and the flow switch, supplied as accessories, must be used for this application.
To electrically connect the storage boiler and the module, proceed as follows, also consulting the instructions supplied
with the storage boiler and figure 9:
SIRIUS SAT module
r BDDFTTUIFNPEVMFDBTJOHBTEFTDSJCFEJOQBSBHSBQI
r "GUFSVOQMVHHJOHUIFBQQMJBODFSFNPWFUIFDPWFSPGUIFFYUFSOBMDPOOFDUPSBOEUIFFMFDUSJDIFBUFSBUUIFFOETPG
terminals T2 – S3.
r $POOFDUUIFDBCMFPGUIFTUPSBHFCPJMFSQSPCFUPUFSNJOBMT5m4 JGUIFDBCMFOFFETFYUFOEJOHVTFBTUBOEBSEi)"3
VV-F 2x 0.5 mm2 “):
r 6TFBEVBMJOTVMBUFEQJODBCMF TUBOEBSEi)"377'YNNiDBCMFUPDPOOFDUUFSNJOBMT-/PGUIFTDSFX
connector to the flow switch contacts.
DHW probe
: terminals
T2 - S3
DHW flow switch
: terminals
L1-N
r JOTFSUUIFQSPCFJOUPUIFTUPSBHFCPJMFSUSBQBOETFDVSFJU
r DMPTFUIFDPOOFDUPSDPWFS
The DHW flow switch must be installed on the domestic hot water inlet pipe.
Figure 9: electrically connecting a commercially available storage boiler
0904_2406 / CR_0091
SIRIUS SAT
CHECK POSITION OF
SCREW CONNECTORS
(RED AND BLACK)
RED
BLACK
T2-S3:STORAGE BOILER PROBE
L1-N: STORAGE BOILER FLOW SWITCH
ISB = STORAGE BOILER COIL INLET
USB = STORAGE BOILER COIL OUTLET
STORAGE BOILER
WITHOUT
DHW THERMOSTAT
STORAGE BOILER PROBE
FLOW SWITCH
REPLACE
ELECTRICAL
RESISTANCE