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Oil Flow Rate Settings by means of Berger STM30../Siemens SQM40.. actuator
1
with the electrical panel open, prime the oil pump acting on the related contactor (see next picture): check the pump motor rotation
(page 14) and keep pressing for some seconds until the oil circuit is charged;
2
bleed the air from the M pressure gauge port (Fig. 13) by loosing the cap without removing it, then release the solenoid starter.
3
Before starting the burner up, drive the high flame actuator microswitch matching the low flame one (in order to let the burner ope-
rates at the lowest output) to safely achieve the high flame stage.
4
Turn the burner on by means of its main switch A (see next picture): if the burner locks (LED B on in the control panel) press the
RESET button (C) on the control panel - see chapter "OPERATION".
5
Start the burner up by means of the thermostat series and wait unitl the pre-purge phase comes to end and that burner starts up;
6
drive the burner to high flame stage, by means fo the thermostat TAB.
Then move progressively the microswitch to higher values until it reaches the high flame position; always check the combustion values
(see next steps).
SQM40.265 Actuator cams
MAN-AUTO
the nozzle supply pressure is already factory-set and must not be changed. Only if necessary, adjust the supply pressure as follows
(see related paragraph);insert a pressure gauge into the port shown on Fig. 14 and act on on the pump adjusting screw VR (see Fig.
13) as to get the nozzle pressure at 25 bar (Fluidics nozzles).
Suntec TA..
VR
C
X3
X2
X1
C.I.B. UNIGAS
Danfoss KSM..
M
VR
Fig. 13
B
Siemens SQM40
21
M
A
I
High flame
II Stand-by / Ignition
III Low flame
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