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MAXIMUM LENGTHS OF SUCTION LINES FOR TWO-PIPE SYSTEM
Two-pipe siphon feed system
Two-pipe lift system
H
Once connected the hoses to the oil pipes make sure that there are no leakages. Air bleed the pipe through
the pump operating on the gauge connection (see fig.). Install the suitable nozzle for the needed capacity.
Turn thermostat to the desired temperature. The burner will purge for about 13 sec. At this point the oil
valve opens and the transformer ignites.
Control the pressure on the pump. (see fig.). Adjust the needed quantity of air, operating on the air regula-
tor. In case of no ignition the burner goes to lock-out within 10 sec.
DELTA
VM1 RL1
VM1 RL2
6
DELTA
4
1
The pump setting indicated by client is carried out in the factory during testing. To prime the pump first
of all start the burner and bleed air from the pump through the gauge port. If the burner goes to lock-out
after the prepurging time due to lack of pressure in the oil pump, restart the burner.
NOTE : before starting up the burner, make sure that the return pipe is clear. Check that the pipes do not
leak. It is advisable to use copper pipes. Do not exceed the depression limit of 4 mt.(0,4 bar) to keep low
noise levels. The return pipe must reach the same level as the check valve at the bottom of the oil tank..
H
BURNER START-UP
PRIMING AND ADJUSTMENT OF THE PUMP
1 - INLET
2 - RETURN
3 - BLEED AND PRESSURE
5
GAUGE PORT
4 - VACUUM GAUGE PORT
3
5 - PRESSURE ADJUSTMENT
6 - NOZZLE OUTLET
2
H
(m)
0,5
1
1,5
2
2,5
3
3,5
H
(m)
0,5
1
1,5
2
2,5
3
3,5
SUNTEC AS 47 K
pag.11
LB356 Minor 20
Copper pipe (m)
ø 8 mm
ø 10 mm
30
65
35
70
40
75
45
80
50
85
55
90
60
95
Copper pipe (m)
ø 8 mm
ø 10 mm
23
55
21
50
19
45
17
40
14
34
9
28
4
22
3
6
3
1
2
B
4
5
3
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