Riello RX 500 S/PV, Регулируемая работа

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20138630
24 GB
Installation
5.7.1 Gas train
This has been type-approved together with the burner, in accord-
ance with regulation EN 676, and is supplied as standard with the
burner.
5.8 Gas valve adjustment
The adjustment of the output of gas is achieved by using the two
screws V1 and V2.
To alter the maximum output of gas use screw V1:
–
To increase the output: turn the screw towards the “+” sign;
– to reduce the output: turn the screw towards the “-” sign.
To alter the minimum output of gas act on the screw V2 on the
gas valve.
Turn the screw with a tool:
–
To increase the output: turn the screw towards the “+” sign;
– to reduce the output: turn the screw towards the “-” sign.
Definition of the adjustments for the fan.
The adjustments are carried out by means on three potentiome-
ters on board of the motor control box
START determines the air during the start-up phase
MIN determines the minimum modulation
MAX determines the maximum modulation
Gas valve
20076453
Fig. 18
Adjustment of maximum gas flow (V1)
Adjustment of
minimum gas flow
(V2)