Technical data

94
CTC EcoZenith i550 Pro
For the installer
13.3.7 CTC EcoZenith i550 Pro - External boiler
An external boiler (oil, pellets, electric or gas) is connected to the EcoZenith’s
upper tank connections. Circulation is undertaken by the pump (G44), which
is controlled by the EcoZenith. The sensor (B17) senses the temperature in
the external boiler.
See also External Boiler Menu in the Detail Description Menus chapter
(Installer/Settings/Ext boiler).
For electrical connections see the Electrical installation and Installation of
external boiler chapters.
11
02
01
Y1
E5
E1/E4
B33
B6
B5
G44
B17
EL 1-3 a/b