Riello RL Series - 6.1 Electrical connections

17
20111051
GB
Electrical system
6.1 Electrical connections
Set up by the installer
Use flexible cables according to regulation EN 60 335-1:
➤ if in PVC boot, use at least H05 VV-F
➤ if in rubber boot, use at least H05 RR-F.
All the cables to be connected to the burner terminal strip 8)(Fig.
15) must be routed through the fairleads.
The fairleads and precut holes can be used in various ways. One
example is given below:
1 Pg 13,5 Three-phase power supply
2 Pg 11 Single-phase power supply
3 Pg 11 Control device TL
4 Pg 9 Control device TR
5 Pg 9 Fitting hole for fairlead, if required
6 Pg 11 Fitting hole for fairlead, if required
7 Pg 13,5 Fitting hole for fairlead, if required
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.
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.
NOTE:
For remote-reset, connect a push-button switch (NO) be-
tween terminal 3 and neutral of the control box (terminals 15,
16, 17 and 18).
WARNING
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
Do not invert the neutral with the phase in the
electrical supply line.
Fig. 15
D3312