Tab.29 Connecting the boiler components in cascade
Component 1
Component 2
OCI 345 module on the boiler
X30 connector on the boiler PCB. (Flat cable supplied with the
OCI 345 module)
MB connector of a OCI 345 module
MB connector of a boiler OCI 345 module
DB connector of a OCI 345 module
DB connector of a boiler OCI 345 module
To make the connections between the various MB and DB connectors,
use a shielded cable with the following specifications:
Type
Cross section
Maximum length
HAR H05 VV-F
2 x 1.5 mm
2
200 m
7.7
Filling the installation
7.7.1
SIRIUS THREE FS 130 and SIRIUS THREE FS 150
Before filling the heating installation, rinse it thoroughly.
1. Open the plug on the automatic air vent.
2. Fill the heating system until you reach a pressure of between 0.15 and
0.2 MPa (1.5 and 2 bar).
3. Check the tightness of the hydraulic connections.
4. Completely vent the heating circuit for optimum running.
For more information, see
Flushing new installations and installations less than 6 months old,
Flushing an existing installation, page 71
7.7.2
SIRIUS THREE FS 200 and SIRIUS THREE FS 250
Before filling the heating installation, rinse it thoroughly.
Fig.88
Connecting OCI 345 modules for
boilers in cascade
MW-3000042-2
DB.MB
DB.MB
DB.MB
MW-2000815-02
1
7 Installation
70
7702639 - v03 - 10072018