20040563
16
GB
Technical description of the burner
4.13
Servomotor (SQM33...)
Warnings
All interventions (assembly and installation operations,
assistance, etc.) must be carried out by qualified personnel.
Before modifying the wiring in the connection area, fully dis-
connect 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.
•
During the assembly of the servomotor, make sure that the ra-
dial and thrust loads acting on the bearing are not exceeded.
•
When installing the servomotor to the control elements, proceed
as follows:
1 - Assemble and fix the servomotor.
2 - Connect the drive shaft of the servomotor by means of a lug.
Installation notes
•
Arrange the H.V. ignition cables separately, as far as possi-
ble from the control box and the other cables.
•
The holding torque is reduced when the servomotor is dis-
connected from the mains.
Technical data
Tab. H
WARNING
To avoid accidents, material or environmental
damage, observe the following instructions!
Avoid opening, modifying or forcing the ser-
vomotor.
Servomotor
SQM33.4..
SQM33.5..
Operating voltage
AC / DC 24 V ±20 %
(load on the interface)
Safety class
2 in accordance with EN 60 730
part 1 and parts 2-14
Power consumption
max. 7.5 W
max. 10 W
Protection level
IP54 according to EN 60 529-1
Cable connection
RAST2, 5 connectors
Direction of rotation
(facing the shaft)
- Anticlockwise (standard)
- Clockwise (inverted rotation)
Rated output torque
max. 1.2 Nm
max. 3 Nm
Holding torque
- operating
- off
max. 1.2 Nm
max. 0.8 Nm
max. 3 Nm
max. 2.6 Nm
Angular adjustment,
range of use
max 90°
Cable length
1.5m
Weight
approx. 1.4 kg
Environmental conditions:
Operation
Climatic conditions
Mechanical conditions
Temperature range
Humidity
DIN EN 60 721-3-3
Class 3K5
Class 3M4
-20...+60°C
< 95% RH
D8271
Fig. 7
Summary of Contents for RS 55/E BLU
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