7
3 DEsCriPTiON OF THE APPLiANCE
Novella
boilers are floor standing, gas fuelled
boilers with an atmospheric burner and cast
iron heat exchanger. They are specially desig-
ned for use in central heating systems, but can
also generate domestic hot water if connected
to a suitable storage cylinder.
Novella boilers feature electronic ignition and
ionisation flame detection.
The control panel (fig. 3.1) houses all the con-
trols needed to control the various functions of
the boiler.
Fig. 3.1
17
18
19
12
13
14
15
16
20
19
Key
12 ON/OFF switch
13 Central heating temperature control
14 Water circuit temperature gauge
15 Safety thermostat (manual reset)
16 Flue gas thermostat (manual reset)
17 Red “burner lockout” LED warning light
18 Green “power on” LED indicator
19 Quick reference guide
20 Burner reset button
