Instructions for use
6
When the boiler is connected to the external tem-
perature probe (optional), the temperature of the
c.h. flow is automatically adjusted with reference
to the external temperature.
In this case the boiler must be properly set by the
Installer ( section 7.8 of this manual) and the c.h.
flow temperature control knob 7 must be positio-
ned as illustrated in Fig. 2.7
7
+15
---15
Fig. 2.7
To satisfy temporary changes or different room
temperatures, the c.h. water temperature can also
be manually increased or decreased within a ran-
ge of ±15
˚
C by turning the knob 7 (Fig. 2.7). Mo-
re details are given in section 7.8 of this manual.
2.5
Extinguishing
To turn the boiler off set the function selector 7 to
the position shown in Fig. 2.8.
The appliance operation light 9 will flash every 4
seconds.
7
9
Fig. 2.8
When you do not expect to use the boiler for a long
period:
1 Switch off the electricity supply to the boiler, by
means of the fused spur isolation switch;
2 Shut off the gas supply cock 11 and the valves
for the water circuits fitted under the boiler
(Fig. 2.9).
3 Empty the water circuits, if necessary, as
shown in the
installation instructions
in the sec-
tion
maintenance
.
Closed position
11
Fig. 2.9
USE
