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3.14
Servomotor (662R5...)
Warnings
To avoid accidents, material or environmental
damage, observe the following instructions!
Avoid opening, modifying or forcing the actuators.
WARNING
All interventions (assembly and installation operations,
assistance, etc.) must be carried out by qualified personnel.
Before modifying the wiring in the servomotor connection
area, 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.
After any operation (mounting, installation and service, etc.),
check that the wiring is in order, so do the security checks.
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
The connection between the actuator command
shaft and the control element must be rigid, with-
WARNING
out any mechanical play.
Installation notes
The static torque is reduced when the electrical supply of the
actuator is switched off.
During the maintenance or replacement of the
actuators, be careful not to invert the connec-
tors.
WARNING
Condensation, the formation of ice and the entry
of water are prohibited!
WARNING
20171664
Technical description of the burner
14
GB
D8271
Technical data
Model
Floating time
Direction of rotation
0° to 90°
Rated torque (max)
Static torque (max)
Weight
Type of protection
Environmental conditions:
- climatic conditions
- mechanic conditions
- temperature range
Electrical safety
662R5...
5 sec / 90°
left - seen from the drive shaft
3 Nm
3 Nm
about 1,4 kg
IP54 as per DIN EN 60529-1
Class 3K5 (DIN EN 60721-3)
Class 3M5 (DIN EN 60721-3)
-20...+60 °C
(condensation is prohibited)
Protection class 2
as per DIN EN 60730
Fig. 9
Tab. H
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