Riello RX 500 S/PV, Modulating Operation

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33
20138630
GB
Start-up, calibration and operation of the burner
6.7 Switching off the burner
Press the button in position 0 to turn off the burner.
Disable the electrical supply. If the burner is turned off for long pe-
riods, close the manual gas gates.
6.8 Setting and safety parameters (programmed control box)
Tab. S
WARNING
Turning off the burner during post-purging, the
control box goes into lockout after a few seconds
(ERROR LOC:83).
Fig. 26
20138621
No. Parameter
OEM-preset
Value
1 pre-purging time 30 Seconds
2 Safety time 3 Seconds
3 Flame stabilisation time 10 Seconds
4 Ignition attempts 3 Number
5 Post-purging time 0 Seconds
6 Pre-ignition time 3 Seconds
7 Attempts in the event of flame loss during operation 1 Number
8 Pre-post purging speed 5500 Rotations/min
9
Number of fan rotations: number of ignition load rotations
(P0)
1260 Rotations/min
10
Number of fan rotations: number of minimum load rotations
(P1)
800 Rotations/min
11
Number of fan rotations: number of nominal load rotations
(P2)
5700 Rotations/min
12 Limit number of ignition load rotations (P0) Minimum limit 1260 Rotations/min
13 Limit number of ignition load rotations (P0) Maximum limit 3500 Rotations/min
14 Limit number of minimum load rotations (P1) Minimum limit 800 Rotations/min
15 Limit number of minimum load rotations (P1) Maximum limit 2280 Rotations/min
16 Limit number of nominal load rotations (P2) Minimum limit 4020 Rotations/min
17 Limit number of nominal load rotations (P2) Maximum limit 5700 Rotations/min
18 Maximum number of fan rotations 5700 Rotations/min
19 Minimum load

nominal load ascending ramp 20 Seconds
20 Nominal load

minimum load descending ramp 20 Seconds
21 Pulses for rotation 3 Pulses/rotation
22 Analogue input (Return signal potentiometer ASZxx.3x) 0 -
0: 3-point input
1: 0-10 V
2: 0-135

3: 0-20 mA
4: 4-20 mA with lockout at I < 4 mA
5: 4-20 m