
ENGLISH
ANTI-FREEZE SYSTEM (Fig. 7)
b To take advantage of this protection (based on burner operation),
the boiler must be able to switch itself on; any lockout condition
(for ex. due to a lack of gas or electrical supply, or the intervention
of a safety device) therefore deactivates the protection.
MINIMUM DISTANCES (Fig. 8a-8b)
b
3.8 Installation of condensate drain pipe (Fig. 9)
b
T
b
3.9 Positioning the wall-mounted boiler and hydraulic
connections (Fig. 10)
M
AC
G
R
AF
3.10 Electrical wiring (Fig. 11a-11b-11c)
Low voltage connections
(V)
b We recommend using conductors with a section no larger than
0.5mm2.
b In the event of TA or TBT connection, remove the relative
jumpers on the terminal board (Fig. 11c).
(V)
V1
b If the low voltage electrical connection box is not connected the
boiler does not ignite.
OTBus remote control connection
42°C
MENU STATE
SETINFO
OPENTHERM CONNECTED
PLANT
HOT WATER TEMPERATURE
FRI
1.5
bar
18/05/2013 12:17
In particular on the boiler display:
INFO menu
Note: an OT+ remote control cannot be connected if the system
already has a REC10H or BE16 interface boards. in this case the
system gives the following error message: