Burner Operating Sequence (Light Oil Operation) - Riello RLS 810/E FGR Installation, Use And Maintenance Instructions

4.14

Burner operating sequence (LIGHT OIL OPERATION)

CPI/POC
X07
X06
X10
X08
X20+X21
X32+X34
X33
X4
X01
X02
X03
X25
X26
X05
S9782
CPI= Close Position Indicator
POC= Prove Of Closure
(3)
Oil irrelevance time P323, has an effect on the oil safety chain and on the minimum oil pressure when the air valve is opened.
Key to layout (Fig. 8)
Any condition
t1 Waiting time for safety circuits consent
(boiler fuel)
t2 Opening time of the gas valve (with
sealing control active)
t3 Servomotor opening time
t4 Activation time FGR servomotor
t5 Pre-purge time
t6 Pre-ignition time
t7 Ignition flame safety time
t8 Flame stabilization time
nd
t9' Safety time 2
t10 Modulation phase
t11 Adjustment time
t12 Opening time of the gas valve (with
sealing control active)
t13 Post-purge time
t15 Post-combustion time
t16 Checking time for flame extinction
t17 Checking time for gas valve (with seal-
ing control active)
Technical description of the burner
adjustable
adjustable
adjustable
stage
adjustable
adjustable
Key to layout (Fig. 8)
X01 1st meter oil valve
X02 2nd meter oil valve
X03 3th meter oil valve
X04 Ignition transformer
2.4 s
X05 Oil pressure > min.
X06 oil safety circuit
30/60 s
X07 Boiler safety circuit
0 - t5
X08 Air pressure switch
X10 Burner ON
X20+X21 Flame signal
X25 Fan ON
3 s
X26 Oil pump
X32 Air servomotor
X33 Fuel servomotor
3 s
X34 FGR servomotor (disable)
3 s
5 s
30 s
Tab. I
15 GB
Fig. 8
20171988