Calibration Of The Thermal Relay; Motor Rotation - Riello RL 70/M Installation, Use And Maintenance Instructions

6.14.1 Supply cables and external connections
passage
All the cables to be connected to the burner terminal board
8)(Fig. 23 and Fig. 24) must be threaded through cable
grommets.
The use of the cable grommets and the pre-blanked holes can be
done in different manners; for example:
Key (Fig. 23 and Fig. 24)
RL 70/M (Fig. 23)
1 Pg 13,5 Three-phase power supply
2 Pg 11 Single-phase power supply
3 Pg 13.5 Control device TL
4 Pg 9 Control device TR or probe (RWF)
5 Pg 9 Set up for faird lead
6 Pg 11 Set up for faird lead
7 Pg 13,5 Set up for faird lead
RL 100/M - RL 130/M (Fig. 24)
1 Pg 13,5 Three-phase power supply
2 Pg 11 Single-phase power supply
3 Pg 13.5 Control device TL
4 Pg 13,5 Control device TR or probe (RWF)
5 Pg 9 Set up for faird lead
6 Pg 11 Set up for faird lead
After carrying out maintenance, cleaning or
checking operations, reassemble the cover and
all the safety and protection devices of the burner.
6.15

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), refer to the table indicated in the electrical lay-
out (electrical wiring in charge of the installer).
To reset, in case of an intervention of the thermal relay, press but-
ton "RESET" 1).
The button "STOP" 3) opens the NC contact (95-96) and stops
the motor.
Insert a screwdriver in the window "TEST/TRIP" 4) and move it in
the arrow direction (to the right) to carry out the thermal relay test.
The automatic reset can be dangerous.
This operation is not foreseen in the burner
operation.
WARNING
6.16

Motor rotation

As soon as the burner starts, place yourself in front of the cooling
fan of the fan motor and check that it turns anticlockwise
(Fig. 26).
If this is not the case:
 put the switch of the burner to "0" (off) and wait until the con-
trol box carries out the switching off phase.
Disconnect the electrical supply from the burner
by means of the system main switch.
DANGER
 Invert the phases on the three-phase motor power supply.
Installation
6
7
RL 70/M
6
4
RL 100/M - RL 130/M
23 GB
6
8
6
8
T O
I P
A U
/ T R
S T N
M A
T E
T
S E
R E
9 6
N O
9 7
9 8
4 2 1
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5 4
3 2
1
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Fig. 23
5
3 2
1
20169280
Fig. 24
D8685
3
O P
S T
N C
9 5
Fig. 25
Fig. 26
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