Riello RL 70 Installation, Use And Maintenance Instructions page 54

 2st stage fan air gate valve
Set switch 2) (Fig. 22 page 21) to the 2nd stage position and ad-
just the air gate valve 6)(Fig. 24) by turning the hex element
4)(Fig. 24), after having loosened the ring nut 3)(Fig. 24).
Air pressure at connection 1)(Fig. 25) must be approximately the
same as the pressure specified in the table (Fig. 25) plus the
combustion chamber pressure measured at connection 2). Refer
to the example in the adjacent figure.
TL
TR
2°
1°
0
LED
RMO *
2916076
Burner calibration
A
A
*
Off Yellow
For further details see page 24.
RL 70
kg/h mbar
40 8.5
50 8.6
60 8.8
70 9.2
mbar = air pressure in 1) with zero pressure in 2)
With shutter 4) retracted (Fig. 8 page 12)
(1)
NOTE:
in order to facilitate adjustment of hex elements 2) and
4)(Fig. 24), use a 3 mm Allen key 5) (Fig. 24).
TL
LED
RMO
*
D3280
Green
22
GB
RL 100 RL 130
kg/h mbar kg/h
60 7.2 80
70 7.7 90
80 8.4 100
90 9.3 110
100 11.0 120
130
130
D700
Red
mbar
7
7.2
7.6
8.1
9.0
11.0
8.5
(1)
Tab. F
Fig. 25
D3281
Fig. 26