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Installation, use and maintenance instructions

2915246 (2) - 07/2016

Forced draught gas burner

Progressive two-stage or modulating operation

CODE

MODEL

TYPE

3753481

GAS 4 P/M

534 T80

GB

Summary of Contents for GAS 4 P/M

Page 1: ...Installation use and maintenance instructions 2915246 2 07 2016 Forced draught gas burner Progressive two stage or modulating operation CODE MODEL TYPE 3753481 GAS 4 P M 534 T80 GB...

Page 2: ...M These products are in compliance with the following Technical Standards EN 676 EN 12100 and according to the European Directives MD 2006 42 EC Machine Directive LVD 2014 35 UE Low Voltage Directive...

Page 3: ...Maximum gas pressure 150 mbar Electrical supply Three phase 220 V 10 10 60 Hz without neutral 380 V 10 10 60 Hz with neutral Motor 1 5A 220V 2 4A 380V Ignition transformer Primary 1 8A 220V Secondary...

Page 4: ...NS COMBUSTION CHAMBER PRESSURE MAXIMUM OUTPUT Min output 115 kW 99 000 kcal h Length available with special blast tube to be separately required Burner D2177 Boiler front plate drilling 160 160 165 M1...

Page 5: ...uld be more open Do not decrease the pressure at the coupling under the values shown in the diagram Output the maximum value is obtainable with gas Pci 8600 kcal m3 CORRELATION BETWEEN GAS PRESSURE AN...

Page 6: ...Safety valve 2 Cock valve 8 Adjustment valve 3 Filter 9 Adjusting throttle valve 4 Pressure stabilizer 10 Burner 5 Pressure test point 11 Gas leak control device 6 Minimal gas pressure switch Supplied...

Page 7: ...out y the factory Key to layout CMV Motor contactor LFL Control box MB Burner terminal strip MV Fan motor PA Air pressure switch RT Thermal cut out SM Servomotor SO Ionisation probe SP Plug socket TA...

Page 8: ...urner must be stopped every 24 hours of operation by means of an hours counter to be connected in series with the adjustment devices Key to layout BP Pressure probe BT Temperature probe MB Burner term...

Page 9: ...ontroller modulating version 8 Pre sheared holeg Further prospective signals or controls can be connected to the burner wiring terminal board by removing the metal weld nuts from the pre sheared holes...

Page 10: ...justment pressure by turning slowly clockwise the knob till reaching the burner lock out Thereafter turn the knob anticlockwise for 1 mbar and repeat the burner start up for checking the regularity if...

Page 11: ...on the plate 4 Tighten the screws 1 Gas setting Loosen the screw 5 move the ring 6 so that the pointer 7 is coincident with the desired set point 8 Tighten the screw 5 Attention the set point number i...

Page 12: ...controls the min stroke and remains always positioned on 0 in this way when the burner is off the air damper is totally closed Orange cam it controls the minimal modulating pow er It is set by the fa...

Page 13: ...ofile 7 of the cam by gradually acting on the screws 9 MINIMAL OUTPUT SETTING Gas Disjoin the cam with adjustable profile 6 by means of the button 5 Turn manually anticlockwise the cam till to reach t...

Page 14: ...om 90 to 60 of the tension rod will be sufficient Should this ratio be in higher range 50 100 in this case further to position the tension rod on 60 it shall be shortened Proceed as follows Disjoint t...

Page 15: ...CURRENT The minimum current necessary for the control box operation is 6 A The burner normally supplies a higher current value so that no check is needed However if a measurement of the ionization cu...

Page 16: ...operation of the flame detecting circuit because of probe to earth defective internal amplifier Stop during pre purge phase because of The servomotor does not change over the minimal opening circuit i...

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Page 20: ...Subject to modifications RIELLO S p A I 37045 Legnago VR Tel 39 0442 630111 http www riello it http www riello com...

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