Potentiometer Installation - Riello E 5202 Installation, Use And Maintenance Instructions

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3 Installation
3.1

Potentiometer installation

 Install the Potentiometer Kit (to be ordered separately) refer-
ring to the instructions that accompany it.
 Check the propper fitting, making sure that the resistance of
1000 corresponds precisely to the MAIN stroke of the ser-
vomotor: angle of 90° or 130° according to the type of
burner.
This calibration must not be modified.
3.2 Signal converter kit installation
The burners are already prepared to install the E 5202 converter.
Code 3010390
Insert the converter in the special support 1)(Fig. 4) or 1)(Fig. 5)
and fix it with the two screws and brackets supplied with the kit.
1
1
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51--5)5 
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1000 / 90° for burners in the RS 38-50-64/M series
1000 / 135° for burners in the RS 300-400-500/M series
1000 / 90° for burners in the RS 300-400/P series
Installation
 Connect the three-wire burner directly to the E 5202 con-
verter as shown in the diagram below.
 For the setting of the MINIMUM position refer to the factory
setting of the servomotor indicated in the manual accompa-
nying the burner.
Disconnect the electrical supply from the burner
by means of the main system switch.
DANGER
Connect the wires that come out to the appropriate burner termi-
nal board.
See the wiring diagram in Fig. 4 or Fig. 5.
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Signal on
input
4-20 mA / 0-10 V
Signal on
input
4-20 mA / 0-10 V
4 GB
:2"
$ % & ' # " !
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Fig. 4
D3935
Fig. 5