Riello ENNE 1400 Mode D'emploi page 44

FACTORY-SET BURNER UNITS
The following units do not generally require further adjustment:
A - SERVOMOTOR
LANDIS type
1 Limit switch cam (air damper closure)
2 Limit switch cam (max. air damper aperture)
3 Minimum delivery position cam (and start-up)
4 Position read-out index
5 Servomotor release
The servomotor simultaneously regulates, through a transmis-
sion system, air delivery and pressure and delivery of the fuel in
use. It is fitted with adjustable cams which drive a similar number
of selector switches.
Cam POS.1 sets the servomotor limit switch to 0° position.
When the burner is off, the air damper is comple-
tely closed.
Cam POS.2 sets the servomotor limit switch to 130° position.
Cam POS. 3 regulates minimum modulation delivery. It is facto-
sy-calibrated in the 20° position
RECOMMENDED NOZZLES
Select the nozzle, with a delivery rating slightly higher than effec-
tively required, from the following types:
FLUIDISCS type W2
BERGONZO type B3 - AA
Angles of 45° - 50° are normally recommended. For narrow com-
bustion chambers, use nozzles with angles of 30° - 35°.
The burner complies with the emission requirements of the
EN 267 standard.
In order to guarantee that emissions do not vary, recommended
and/or alternative nozzles specified by Riello in the Instruction
and warning booklet should be used.
5041
CONECTRON type
B - PUMP
Factory-set at 25 bar.
C - REMOTE OVERLOAD CUT-OUT
Factory set for a three-phase electrical power supply at 380V. If
electrical power supply is three-phase/220V, calibration should
be modified. (see also starter for model N/M 4500).
D - TIMER
Sets pre-wash stage duration and is factory-set between 15 and
20 seconds (For heavy oil, see conversion kit).
M
It is advisable to replace nozzles every year
during regular maintenance operations.
WARNING
The use of nozzles other than those specified
by Riello S.p.A. and inadequate regular main-
tenance may result into emission limits non-
conforming to the values set forth by the reg-
ulations in force, and in extremely serious cas-
es, into potential hazards to people and
objects.
CAUTION
The manufacturing company shall not be lia-
ble for any such damage arising from nonob-
servance of the requirements contained in this
manual.
6 GB
S7967
Fig. 9