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elco VG3.290 D, Operating Instructions Manual, Page: 8 / 32

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elco VG3.290 D Operating Instructions Manual Download Page 8

02/2011 - Art. Nr. 4200 1027 9501B

8

Earth

Flame check

Fault 
display

Air 
pressure 
switch

Igniter

Burner motor

Connector

Terminal

Terminal

Connector

Remote 
unlocking

L1 power 
supply

Solenoid valve

2nd stage 
thermostat

Heating 
request

Earth

Gas 
pressure 
switch

Operation

Terminal allocation chart
230 Volt connection

Terminal

Description

Connector

Terminal

Description

Connector

1

Burner motor phase

4

20

1

st

 stage thermostat live (T1)

19

2

Earth

21

Heating request signal (option T2)

3

Neutral

22

Flame monitoring signal

11

4

1

st

 stage solenoid valve live

2

23

Earth

5

Neutral

24

Live

6

Earth

25

Air pressure switch signal

10

7

Live

26

Live

8

2

nd

 stage solenoid valve live

27

Live

20

9

Live L1

6

28

Remote unlocking signal

10

Earth

29

Neutral

21

11

Neutral

30

Signal fault live

12

Earth

31

Live

8

13

Earth

32

Live

14

Igniter live

5

33

Not used

34

15

Earth

34

Not used

16

Neutral

17

Live for the 2

nd

 stage thermostat

T6/7/8

18

Signal T7

19

Signal T8

Combustion 

Control 

ltd

Summary of Contents for VG3.290 D

Page 1: ...4200 1027 9501B VG3 290 D VG3 360 D Operating instructions For specialist installation engineers Gas burners 2 28 en de fr 4200 1021 2101 it nl 4200 1021 2201 4200 1021 2002 C o m b u s t i o n C o n...

Page 2: ...itable for use with all heat generators complying with standard EN 303 or for use by hot air generators complying with standard DIN 4794 or DIN 30697 within their respective performance range Any othe...

Page 3: ...r motor T1 Igniter Y10 Air flap servomotor 3 Adjusting screw for dimension Y 5 Housing 6 Plate hanging device Maintenance 7 Combustion chamber pressure take off pipe 8 Burner tube 10 7 pin connector 1...

Page 4: ...lasts no more than 3 seconds and the gas valve closes If the flame is lost during operation the gas supply is cut within a second A new start up sequence is activated If the burner starts the operati...

Page 5: ...eted Moves the cursor upwards Moves the cursor downwards Increases the marked value Reduces the marked value Modifies Confirms the value shown Unlocks the control unit Red LED flashes if a fault is pr...

Page 6: ...ng position of the stage 2 air flap for switching from 2nd to 1st stage The parameters for the control unit are set using the display and 5 keys Operating values are shown in real time on the display...

Page 7: ...ion 8 Air flap closes to the ignition position 9 Switching on the igniter unauthorised flame monitoring 10 Starting the burner Opening of the solenoid valve flame formation safety time max 3 s 11 Awai...

Page 8: ...ase 4 20 1st stage thermostat live T1 19 2 Earth 21 Heating request signal option T2 3 Neutral 22 Flame monitoring signal 11 4 1st stage solenoid valve live 2 23 Earth 5 Neutral 24 Live 6 Earth 25 Air...

Page 9: ...ot used 19 not used 3 not used 20 not used 4 not used 27 28 29 21 not used 5 not used 22 not used 6 not used 23 not used 7 not used 24 not used 33 8 not used 25 not used 9 not used 26 not used 32 10 D...

Page 10: ...djusting screw has a path of 60 turns for adjusting the output pressure Three turns clockwise or anticlockwise increases or reduces pressure by 1 mbar respectively At commissioning Turn the screw at l...

Page 11: ...oiler manufacturer heat generators without a cooled front wall require brickwork or insulation 5 as shown in the illustration opposite The brickwork must not protrude beyond the leading edge of the fl...

Page 12: ...position Pay attention to the direction of circulation Connect the power cable to the gas train Check the radial position of the flame tube After untightening the three mounting screws S it is possibl...

Page 13: ...t supplied must be fitted upstream of the gas train In Germany a thermally triggered shut off valve to be installed by the customer side must be fitted as specified by the draft combustion ordinance I...

Page 14: ...8 3 12 3 4 6 7 5 125 230 40 2 5 8 8 33 15 2 2 7 7 2 5 7 2 8 8 3 3 8 3 3 8 10 5 2 3 6 2 180 270 40 3 22 22 48 30 4 4 10 7 4 9 6 5 11 3 5 5 11 7 7 1 14 7 3 7 8 5 240 310 40 3 3 38 38 75 45 8 1 13 7 3 1...

Page 15: ...air flap driven by servomotor Y10 The regulation of air in the burner head affects not only the air flow but also the mixing zone and the air pressure in the burner tube Turning screw A right more air...

Page 16: ...etting the 2nd stage using the adjusting knob C This operation is only required when the burner power is too high with a pressure of 5 mbar between the valves or when the burner is tending to pulse Pr...

Page 17: ...position To modify the value of a position move the cursor to the corresponding location with the button or Select the value to be modified using the button the selected value will flash Increase or d...

Page 18: ...ion Precautions To avoid condensation observe the minimum required flue gas temperature specified by the boiler manufacturer and comply with the requirements for flue gas ducts Risk of deflagration Co...

Page 19: ...f a boiler heating request is present T1 T2 contact closed the burner starts The air flap is opened to move to the pre ventilation position Air pressure switch test Pre ventilation The air flap switch...

Page 20: ...lower part of the display The 2nd stage valve also remains closed Setting the 2nd stage To set the position of the air flap in the 2nd stage position the cursor on the corresponding line on the displa...

Page 21: ...controlled by the boiler regulation Quitting the settings menu without reaching the end of the setting procedure To do this position the cursor on the symbol and confirm with the button All the servom...

Page 22: ...display Setting the gas pressure switch To set the switch off pressure remove the cover from the gas pressure switch Install a gas pressure pBr measuring instrument Start the burner Switch to 2nd stag...

Page 23: ...necessary Draw up a measurement report General checks Emergency stop button function check Visual inspection of gas lines in the boiler room Checking the combustion components Remove the burner hood...

Page 24: ...lter element and clean its housing Do not use any pressurised cleaning products Replace the filter element with a new element Screw the cover back into place Reopen the manual shut off valve Check it...

Page 25: ...al Insufficient gas pressure Gas pressure switch wrongly set or defective Check the gas lines Clean the filter Check the gas pressure switch or replace the compact gas unit Malfunction diagnosis and r...

Page 26: ...lves do not open Valves jamming Adjust the gas flow stage Check the condition and position of the ionisation probe in relation to earth Check the condition and connections of the ionisation circuit ca...

Page 27: ...red in the factory Quit the menu using the button Entering a telephone number for the maintenance company and the maintenance contract number When the corresponding symbol appears on the display Keep...

Page 28: ...last meter reset Servicing Operating statistics menu Number of unwanted flame faults Number of No flame after safety time faults Number of Flame loss during operation faults Number of Air pressure swi...

Page 29: ...02 2011 Art Nr 4200 1027 9501B 29 C o m b u s t i o n C o n t r o l l t d...

Page 30: ...02 2011 Art Nr 4200 1027 9501B 30 C o m b u s t i o n C o n t r o l l t d...

Page 31: ...02 2011 Art Nr 4200 1027 9501B 31 C o m b u s t i o n C o n t r o l l t d...

Page 32: ...60 1731 Zellik 02 4631902 ELCOTHERM AG Sarganserstrasse 100 7324 Vilters 0848 808 808 ELCO GmbH Dreieichstr 10 64546 M rfelden Walldorf 0180 3526180 ELCO Italia S p A Via Roma 64 31023 Resana TV 800 0...

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