20191053
14
GB
Technical description of the burner
3.12 Servomotor (SQN31.22...)
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 servomotor must not be operated,
even if it displays no evident damage.
Assembly notes
•
Check the relevant national safety standards are respected.
•
When assembling the servomotor and connecting the damp-
er, the gears can be disengaged by means of a lever, allow-
ing the drive shaft to be easily adjusted in both directions of
rotation.
Technical data
Tab. E
WARNING
To avoid accidents, material or environmental
damage, observe the following instructions!
Avoid opening, modifying or forcing the actua-
tors.
The servomotor contains electric and electronic
components that must not be disposed of with
normal domestic waste.
Respect all current local legislation.
Operating voltage
AC 220 V -15 %...AC 240 V +10 %
AC 100 V -15 %...AC 110 V +10 %
Mains frequency
50/60 Hz ±6%
Energy consumption
6.5 VA
Angular positioning
up to 160° (base scale)
Assembly position
optional
Protection level
IP 40, in accordance with DIN 40050
Switching voltage
24...250V AC
Type of motor
synchronous
Environmental
conditions
Storage
Climatic conditions
Mechanical conditions
Temperature range
Humidity
DIN EN 60 721-3-3
Class 3K3
Class 3M3
-20...+60°C
< 95% RH
Fig. 8
S8522
