Riello RLS 800/M MX, Installation, Use And Maintenance Instructions

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20148124 32 GB
Start-up, calibration and operation of the burner
6.9 Servomotor
The servomotor (Fig. 38) simultaneously adjusts, through driving
gears, the output and pressure of the air, and the flow rate of the
fuel being used.
It is equipped with adjustable cams which operate as many
switches.
Cam 1: limits the limit switch of the servomotor on
position max (approx. 130°).
(Operating with oil).
Cam 2: limits the servomotor limit switch at the 0°
position. With the burner off, the air damper
is completely closed.
(Operating with oil and gas).
Cam 3: regulates the minimum modulating output.
It is factory set at 30°.
(Operating with minimum oil).
Cam 4: limits the limit switch of the servomotor on
position max (approx. 130°).
(Operating with gas).
Cam 5 : regulates the minimum modulating output.
It is factory set at 30°.
(Operating with gas).
Remaining cams : not used.
Lever 7 : Servomotor release.
Fig. 38
S8446