10/2007 - Art. Nr. 13 017 700B
14
Start-up
Unit operation diagrams
Input signals required
Output signals
Limiter Air pressure switch Burner motor Fuel valve Transformer Flame control Defect Unlocking
1
Unit and motor start-up
2
Air checking
3
End of preventilation and
transformer firing
4
Fuel valve energising
5
Flame and operating
conditions checking
0
Control end
10
Defect mode
tlw
Air pressure switch holding time
tlk
Preventilation time
tvz
Pre-firing time
ts
Safety time
Limiter Air pressure switch Burner motor Gas valve Regulator Ignition transformer Flame Servomotor Trouble Reset
1
Powering up unit, motor and S.M.
2
Checking if air is present
3
End of preventilation
4
Powering up ignition transformer and end
of preventilation
5
Powering up gas valve
6
Checking if flame is present
7
Powering up S.M. and gas valve; operation state
0
Regulator stop
10
Trouble mode
tlw
Air pressure switch standby time
tlk
Damper motor opening time and preventilation
count down
tr
Damper motor closing time
tvz
Preignition time
ts
Safety time
tv2
Minimum time between gas valve 1 and 2
Required input signals
Output signals
Summary of Contents for NC12 GX107/8
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Page 41: ...10 2007 Art Nr 13 017 700B 41 4 b 1 2 180 4 J1...
Page 42: ...10 2007 Art Nr 13 017 700B 42 5 1 5 2 6 3 7 4 7 8 3 11 S3 N 4 N 5 N 2...
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Page 45: ...10 2007 Art Nr 13 017 700B 45 NC12 G31 NC12 3 4 5 NC16 NC21 NC16 21 3 4 5...
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Page 53: ...10 2007 Art Nr 13 017 700B 53 20 3 3 1 0 50 2 15 25 103 2 MB DLE Y 2 Y 0 9 10000...
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