Servomotor Sqm40; Calibration Of The Thermal Relay - Riello RLS 310/M MX Modulating Operation

4.14 Servomotor SQM40 ...

Warnings
To avoid accidents, material or environmental
damage, observe the following instructions!
Avoid opening, modifying or forcing the servomo-
WARNING
tor.
 All interventions (assembly and installation operations,
assistance, etc.) must be carried out by qualified personnel.
 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.
 Fully disconnect the burner from the mains when working
near terminals and servomotor connections.
 Condensation and exposure to water are not allowed.
 For safety reasons, the servomotor must be checked after
long periods of non-use.
S8907

4.15 Calibration of the thermal relay

The thermal relay serves to avoid damage to the motor due to an
excessive absorption increase or if a phase is missing.
For calibration 2), see the table in the wiring diagram.
To reset, in case of an intervention of the thermal relay, press the
"RESET" button 1) of Fig. 9.
The red "TEST" button 3) opens the NC (95-96) contact and
stops the motor.
The automatic reset can be dangerous. This oper-
ation is not foreseen in the burner operation.
Therefore do not position the "RESET" button
1) on "A".
CAUTION
Technical description of the burner
Fig. 8
17 GB
Technical data
Mains voltage
Mains frequency
Power absorption
Motor
Drive angle
Never adjust the red cam No. 1 more than 135° to
prevent serious or irreversible damage to the me-
chanical adjustment parts.
WARNING
Protection level
Cable entry
Cable connection
Rotation direction
Rated torque (max.)
Holding torque
Operation time
Weight
Environmental conditions:
Operation
Transport and storage
2
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230 V -15% +10%
50 / 60 Hz
7 ... 15 VA
Synchronous
Varying between 0° and 135°
Max. IP 66, with appropriate
cable entry
2 x M16
2
terminal board for 0.5mm
2
and 2.5mm (max.)
Anticlockwise
10 Nm
5 Nm
30 s. at 90°
approx. 2 kg
-20....+60° C
-20...+60°C
1
3
(min.)
Tab. I
Fig. 9
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