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420010513700
START-UP
Adjusting the maximum oil flow rate
Put the selector on the maximum operation. Adjust the oil pressure reading the value on the return manometer / pressure gauge
according to the nozzle tables provided in the appendix.
NOTE:
the pump pressure is set from the factory at the pressure required nozzle pressure required as per table of nozzle selection in
appendix. If the output required is different from the one set from the factory the pressure can be adjusted according to the instruction
below.
Adjusting the pump pressure
The pump pressure is set at a
value of 22-25 bar during the
testing of burners.
Before starting the burner, bleed
the air in the pump through the
gauge port.
Fill the piping with heavy oil to facilitate the pump priming. Start the burner and check the pump feeding pressure. In case the pump
priming does not take place during the first pre-purging, with a consequent, subsequent lock-out of the burner, rearm the burner’s lock-
out to restart, by pushing the button on the control box. If, after a successful pump priming, the burner locks-out after the prepurging,
due to a fuel pressure drop in the pump, rearm the burner’s lock-out to restart the burner. Do never allow the pump working without oil
for more than three minutes.
NOTE:
before starting the burner, check that the return pipe is open. An eventual obstruction could damage the pump sealing device.
SUNTEC TA....
1 - INLET
2 - RETURN
3 - BLEED AND PRESSURE
GAUGE PORT.
4 - INLET GAUGE PORT
5 - PRESSURE ADJUSTMENT
6 - TO NOZZLE
1
2
5
6
3
4
Servomotor SQM50 - Air damper motor pre-setting
The cams of the servomotor are set from the factory in order to start the burner and
reach the maximum output.
The following setting are the standard one:
I. High flame position 90° (maximum value 70°).
II. Air flap position in standby 0° (minimum value 0°).
III. Ignition position 15°.
IV. Low flame position 40° (can be modified depending on the minimum output of the boiler).
V. To VIII not used
Cam VIII
is never used
1
4
3
6
TV
2
5
SUNTEC T.... + TV
Adjusting the valve TV
1. Remove the cap A of the pressure regulating valve TV.
2. Loosen the fixing nut B and use an Allen wrench on the screw C to
adjust the delivery oil pressure. To increase the pressure turn clockwise, to
decrease the pressure turn anticlockwise.
3. Tighten the nut B and pay attention not to turn also the adjusting screw.
4. Screw on the cap A, back to its previous position.
A
B
C
B
A
1
2
3
4
