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Idiomas disponibles
Idiomas disponibles
RL 70 - 100 - 130 Models electrical connection three-phase 230/400 V power supply with neutral phase wire.
RL 70
230 V 400 V 230 V 400 V 230 V 400 V
F
A
T10
L
1.5
1.5
2
mm
Fuses and cables section layout, see table (Fig. 17).
Cable section not indicated: 1.5 mm
Key to wiring diagram (Fig. 17)
H1 - 1st stage hourcounter
H2 - 2nd stage hourcounter
IN - Manual burner stop switch
MB - Terminal strip
S
- Remote lock-out signal
TB - Burner ground (earth) connection
TL - Limit control device system: this shuts down the burner
when the boiler temperature or pressure exceeds the set-
point value.
TR - High-low mode control device system: this controls oper-
ating stages 1 and 2 and is necessary only for two-stage
operation.
TS - Safety control device system: this operates when TL is
faulty.
The burner is factory set for two-stage operation
and the TR remote control device that commands
light oil valve V2 must therefore be connected.
WARNING
Alternatively, if single stage operation is required, instead of con-
trol device TR install a jumper lead between terminal 5 and 6 of
the terminal strip.
6069
RL 100
RL 130
T6
T16
T10
T16
1.5
1.5
1.5
2
.
Electrical system
Calibration of thermal cut-out 17)(Fig. 1 pag. 8)
T10
1.5
This is required to avoid motor burn-out in the event of a signifi-
cant increase in power absorption caused by a missing phase.
If the motor is star-powered, 400 V, the cursor should be
positioned to "MIN".
If the motor is delta-powered, 230 V, the cursor should be
positioned to "MAX".
Even if the scale of the thermal cut-out does not include rated mo-
tor absorption at 400 V, protection is still ensured in any case.
NOTE:
Burners RL 70 - 100 - 130 leave the factory preset for 400 V
power supply. If 230 V power supply is used, change the mo-
tor connection from star to delta and change the setting of
the thermal cut-out as well.The RL 70 - 100 - 130 burners
have been type-approved for intermittent operation. This
means they should compulsorily be stopped at least once
every 24 hours to enable the control box to perform checks
of its own efficiency at start-up. Burner halts are normally
provided for automatically by the boiler load control system.
If this is not the case, it is necessary to apply in series with
IN a timer switch that turns off the burner at least once every
twenty-four hours.
WARNING
18
GB
D3239
D867
Do not invert the neutral with the phase in the
electrical supply line.
Fig. 17
Fig. 18
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