Riello Gulliver BS1/M, Инструкции по установке, использованию и обслуживанию

Страница: 16 / 36

20096985
14 GB
Technical description of the burner
4.12 Servomotor (SQN91.57)
Warnings
➤
All interventions (assembly and installation operations,
assistance, etc.) must be carried out by qualified personnel.
➤
Before modifying the wiring in the connection area of the
servomotor, fully disconnect the burner control device from
the power supply (omnipolar separation).
➤ To avoid the risk of electrocution, protect the connection ter-
minals in a suitable manner and correctly fix the cover.
➤
Check the wiring is in order.
➤
Falls and collisions can negatively affect the safety func-
tions. In this case, the unit must not be operated, even if it
displays no evident damage.
Assembly notes
➤
Check the relevant national safety standards are respected.
➤ The connection between the actuator command shaft and
the control element must be rigid, without any mechanical
play.
➤
To avoid an excessive load on the bearings due to rigid
hubs, the use of compensation clutches without any
mechanical play is recommended (e.g. metal bellows-type
clutches).
Installation notes
➤ Arrange the H.V. ignition cables separately, as far as possi-
ble from the control box and the other cables.
➤ To prevent the risk of electrocution, check that the 230V AC
section of the servomotor is completely separated from the
low voltage section.
➤
The static torque is reduced when the electrical supply of the
actuator is switched off.
➤
The housing cover may only be removed for short periods of
time for wiring or when making the addressing. In similar
cases, make sure that dust or dirt does not penetrate inside
the actuator.
➤
The actuator comprises a PCB with ESD-sensitive compo-
nents.
➤
The top side of the board carries a cover which affords pro-
tection against direct contact. This protective cover must not
be removed! The underside side of the board must not be
touched.
Technical data
Tab. I
WARNING
To avoid accidents, material or environmental
damage, observe the following instructions!
Avoid opening, modifying or forcing the actuators.
WARNING
During the maintenance or replacement of the
actuators, be careful not to invert the connec-
tors.
Model SQN91.57
Operating voltage AC 220V –15 %...AC 240V +10 %
Mains frequency 50/60 Hz ±6%
Safety class DIN EN 60730 compliant
Energy consumption 8 VA
Rotation direction Clockwise
Holding torque 0.8…2.4 Nm
Operation time 4…24 s
Weight Approx. 550 g
Environmental conditions:
Operation
Climatic conditions
Mechanical conditions
Temperature range
Humidity DIN EN 60721-3-3
Class 3K5
Class 3M2
-20...+60°C
< 95% RH
WARNING
Condensation, the formation of ice and the entry
of water are prohibited!