Filling The Installation; Power Ht+ 1.130 And Power Ht+ 1.150; Power Ht+ 1.200 And Power Ht+ 1.250 - Baxi POWER HT+ Series Installation, User And Service Manual

Tab.25 Connecting the boiler components in cascade
Component 1
OCI 345 module on the boiler
MB connector of a OCI 345 module
DB connector of a OCI 345 module
Fig.85 Connecting OCI 345 modules for
boilers in cascade
DB.MB DB.MB
7.7

Filling the installation

7702630 - v02 - 11082018
To make the connections between the various MB and DB connectors,
use a shielded cable with the following specifications:
Type
HAR H05 VV-F
DB.MB
MW-3000042-2
7.7.1
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,
page 64
1
Flushing an existing installation, page 64
MW-2000815-02
7.7.2
Before filling the heating installation, rinse it thoroughly.
Component 2
X30 connector on the boiler PCB. (Flat cable supplied with the
OCI 345 module)
MB connector of a boiler OCI 345 module
DB connector of a boiler OCI 345 module
Cross section
2 x 1.5 mm

POWER HT+ 1.130 and POWER HT+ 1.150

POWER HT+ 1.200 and POWER HT+ 1.250

7 Installation
Maximum length
200 m
2
POWER HT + 63