Electrical Wiring With Gas Leak Control Device; Combustion Head Adjustment - Riello 40 FS5D Installation, Use And Maintenance Instructions

ELECTRICAL WIRING WITH GAS LEAK CONTROL DEVICE

(DUNGS VPS 504)
~
230V 50Hz

COMBUSTION HEAD ADJUSTMENT

Loosen the screw (A), move the elbow (B) so that
the rear plate of the coupling (C) coincides with
the set point.
Tighten the screw (A).
Example:
The burner is installed in a 40 kW boiler.
Considering efficiency of 90% the burner must
supply around 44 kW.
The diagram shows that for this
output the adjustment must be
made on notch 3.
The diagram is to be used only
for initial settings, to improve air
pressure switch operation
improve combustion, it may be
necessary to reduce this setting
(set point toward position 0).
3312
kcal/h kW
70
60,000
60
50,000
or
50
40,000
44
40
30,000
30
20,000
20
10,000
10
0
6
GB
KEY TO LAY-OUT
– 2 nd stage lock-out signal
B5
– 1 st stage Hour counter
h1
– 2 nd stage Hour counter
h2
PG – Min. gas pressure switch
S3 – Remote lock-out signal
T6A – Fuse
TL – Limit thermostat
– 2 st stage thermostat
TR
D4371
TS – Safety thermostat
V10 – Safety valve
V11 – 1 st stage valve
V12 – 2 st stage valve
X4 – 4 pin plug
X6 – 6 pin plug
X7 – 7 pin plug
C
A
B
1 2
(230V - 0.5 A max.)
S7015
D5068
3 4 5
Set point