30
ENGLISH
INSTALLER
OUTDOOR TEMPERATURE SENSOR
- Access the CH circuit (BAG) control card as instructed
above
- Connect up the outdoor temperature sensor (SE) as
shown in the figure alongside.
b
The boiler is configured in the factory to function
with an OUTDOOR TEMPERATURE SENSOR
CONNECTED, and with the flow temperature of
all CH circuits regulated to suit outdoor tem-
perature ("automatic temperature control" func-
tion). If you want to configure a heating zone
to function with a fixed setpoint (a fixed flow
temperature set within the range established
by the "Maximum limit" and "Minimum limit"
parameters), remove the "ST" jumper for the
zone in question.
ST3 - First mixed CH circuit jumper
ST4 - Second mixed CH circuit jumper
ST5 - Direct CH circuit jumper
2
ST3
ST4
ST5
M1
2
8
34
35
36
37
38
39
40
41
GND
SE
Jumper
fitted
fitted
fitted
ST3
ST4
ST5
20
40 60 80
100
4
3 2 1
0
0
120
On completion of all connections, replace all components in the opposite order.
b
The following instructions are mandatory.
1 Use a multi-pole magnetic thermal trip switch and disconnector conforming to IEC-EN standards (with a con-
tact gap of at least 3 mm);
2 Respect the L (Phase) - N (Neutral) polarity;
3 Use cables with a cross section of 1.5 mm
2
or more, complete with end terminals;
4 Always refer to the electrical wiring diagrams in this manual when performing any electrical work;
5 Ensure that an efficient ground connection is provided.
a
It is strictly forbidden to use fuel and/or water pipes to ground the appliance.
The manufacturer declines all responsibility for damage caused by failing to ground the appliance adequately or
by failure to respect the wiring diagrams provided in this manual.
