Riello 20155654, Installation, Use And Maintenance Instructions

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20155699 18 GB
Technical description of the burner
4.14 Servomotor (662R5...)
Warnings

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.

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.
Installation notes

The static torque is reduced when the electrical supply of the
actuator is switched off.
Technical data
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. 10.
The red “TEST” button 3) opens the NC (95-96) contact and
stops the motor.
WARNING
To avoid accidents, material or environmental
damage, observe the following instructions!
Avoid opening, modifying or forcing the actua-
tors.
WARNING
Assembly notes
The connection between the actuator command
shaft and the control element must be rigid, with-
out any mechanical play.
WARNING
During the maintenance or replacement of the
actuators, be careful not to invert the connec-
tors.
WARNING
Avoid condensate, ice and water leaks from form-
ing!
Model 662R5...
Adjustment time 5 sec / 90°
Rotation direction from
0° to 90°
left - by the motor shaft side
Nominal torque (max) 3 Nm
Holding torque (max) 3 Nm
Weight 1,4 kg circa
Degree of protection IP54 according to DIN EN 60529-1
Environmental conditions:
- climatic condition
- mechanical condition
- temperature range
Classe 3K5 (DIN EN 60721-3)
Classe 3M5 (DIN EN 60721-3)
-20...+60 °C (dew not allowed)
Electric safety Protection class 2
according to DIN EN 60730
D8271
Fig. 9
CAUTION
The automatic reset (Position “A” button 1) can be
dangerous. This operation is not anticipated in the
burner's operation, leave it always on “H”.
There-
fore do not position the “RESET” button 1) on
“A”.
Fig. 10
20073932
3
1
2
RESE
T
H
A
TEST
95
96
97
98