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5832

6

INTERNAL WIRING DIAGRAM 

(carried out by the factory) 

 

LEGEND
CMV

Fan motor contact maker

TB

Burner earth

CO

Commutator

TE

Electronic thermostat

CR

Resistor contact maker

TM

Maximal thermostat

FR

Photoresistance

Tm

Minimal thermostat

MB

Burner terminal strip

TP

Timer

MV

Fan motor

L1

Lamps for 1

st

 stage

RMO

Control box

L2

Lamps for 2

nd  

stage

RT

Overload 

L3

Lamps for 3

rd  

stage

S

Pre-heater tank

V1

Oil valves for 1

st

 stage

SM

Air-damper actuator 

V2

Oil valves for 2

nd  

stage

SO

Probe PT100

V3

Oil valves for 3

rd  

stage

TA

Ignition transformer

VS

Safety valves

D2618

Summary of Contents for P200 T/N

Page 1: ...Installation use and maintenance instructions 2915832 4 08 2012 Heavy oil burners CODE MODEL TYPE 3437785 P200 T N 467 T80 3437786 P200 T N 467 T80...

Page 2: ......

Page 3: ...viscosity 500mm2 s 65 E at 50 C Pump 350 kg h at 25 bar Electrical supply 3N 220 380V 60 Hz Fan motor rpm V kW A 3470 220 380 5 5 19 7 11 4 Ignition transformer V1 V2 I1 I2 230 V 2 x 6 kV 2 A 35 mA El...

Page 4: ...ntrol box reset push button and lock out lamp 11 Adjustment thermostat 12 Regulating bush for combustion head 13 Wiring terminal board 14 Ignition transformer 15 Filter 16 Valves group 17 Manometer 18...

Page 5: ...ssurization conditions are improved and no problems arise Boiler front plate drilling Combustion head projection For the combustion head projection carefully follow the boiler manufacturer indications...

Page 6: ...TAGE POWER AND OUTPUT MINIMUM MAXIMUM kW kg h kW kg h 1st nozzle ignition phase 376 33 763 67 1st 2nd nozzle intermediate phase 763 67 1516 133 1st 2nd 3rd nozzle operation phase 1140 100 2279 200 2nd...

Page 7: ...the burner pump If several burners are supplied through the same ring supply line the forwarding pump should have a capacity of approx 30 more than the sum of the single burners outputs For starting u...

Page 8: ...thermostat FR Photoresistance Tm Minimal thermostat MB Burner terminal strip TP Timer MV Fan motor L1 Lamps for 1st stage RMO Control box L2 Lamps for 2nd stage RT Overload L3 Lamps for 3rd stage S P...

Page 9: ...or 2nd stage T3 Load control system for 3rd stage NOTE y Check the lock out by darkening the photo cell after removal of the cover ATTENTION HIGH VOLTAGE y In case of supply 220V without neutral conne...

Page 10: ...es Nozzles 60 Pump pressure 25 bar The references of table B should be followed in case of need of modification of the pump pressure in order to vary the output diverse composition of the 3 nozzles gr...

Page 11: ...rated one The pump leaves the factory set at 25 bar On the base of the maximum delivery detect from table C the combustion head adjustment The adjustment should be made by turning the screw A till th...

Page 12: ...not turn clockwise the lever to avoid crawlings of the air shutters turning the lever anticlockwise the motor will be in different position during the passage from 2nd to 1st stage or during the stop...

Page 13: ...is switches off the resistance when because of failure of the adjustment ther mostat the temperature of the pre heater increases to unacceptable levels a high temperature alarm output is provided on t...

Page 14: ...s Motor lock out It is caused by the over load relay when overload oc curs or no current supply Re set push button 7 and 10 fig 1 NB Periodically clean the filter of the pre heater tank THREE STAGE OP...

Page 15: ...below COLOUR CODE TABLE Sequences Colour code Pre purging Ignition phase Operation flame ok Operating with weak flame signal Electrical supply lower than 170V Lock out Extraneous light Key Off Yellow...

Page 16: ...Subject to modifications RIELLO S p A I 37045 Legnago VR Tel 39 0442 630111 http www riello it http www rielloburners com...

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