Riello P200 T/N Quick start guide

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

5832

TECHNICAL DATA

ELECTRICAL DATA

Motor IE1

Motor IE2

Thermal power - Output 515 / 2280 kW - 45 / 200 kg/h (See sheet 3)

Operation 1st stage - 2nd stage - 3rd stage

Fuel Oil with max. viscosity 50mm2/s (7°E) at 50°C

with kit: max. 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

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

Electrical power consumption kW max 20

Electrical supply 3N ~ 220/380V

60 Hz

Fan motor rpm

3568

220/380

5,5

20 - 11,5

Ignition transformer V1 - V2

I1 - I2

230 V - 2 x 6 kV

2 A - 35 mA

Electrical power consumption kW max 20

5832

1 - Suction line

2 - Return line

3 - Air shutter opening motor

4 - Pump pressure adjustment screw

5 - Manometer plug (G 1/8)

6 - Vacuometer plug (G 1/2)

7 - Reset push-button of the motor overload relay

8 - Electric board

9 - Cable clamps

10 - Control 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 - Lamp

19 - Commutator

20 - Low limit thermostat

21 - High limit thermostat

22 - Timer

Fig. 1

Quantity Accessories

2 Flexibles tubes

2 Nipples

4 Screws

1 Gasket for flange

5 Cable clamps

*It is possible with a spacer, upon request

DIMENSIONS

5832

COMBUSTION CHAMBER PRESSURE - MAXIMUM OUTPUT

(Three nozzles in operation)

Operation field: Limit Safety

When the burner operates with only one or two nozzles, the pressurization 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.

A proper protection with refractory material on the combustion head

projecting into the combustion chamber shall be made, when boilers

with frontal smoke box are used.

5832

OPERATION AND EFFICIENCY OF THE BURNER

ACCESSOIRES

RADIO DISTURBANCE PROTECTION KIT: Code 3010386

If the burner is installed in places particularly subject to radio disturbance (emission of signals exceeding 10 V/m) owing

to the presence of an INVERTER, or in applications where the length of the thermostat connections exceeds 20 metres,

a protection kit is available as an interface between the control box and the burner.

1st STAGE

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 STAGE

POWER AND OUTPUT

MINIMUM MAXIMUM

kW kg/h kW kg/h

1st nozzle: ignition phase 376 33 763 67

1st + 2nd nozzle: 1st stage of operation 763 67 1516 133

1st + 2nd + 3rd nozzle: 2nd stage of operation 1140 100 2279 200

3rd STAGE

POWER AND OUTPUT

MINIMUM MAXIMUM

kW kg/h kW kg/h

1st nozzle: 1st stage of operation 513 45 763 67

1st + 2nd nozzle: 2nd stage of operation 1026 90 1516 133

1st + 2nd + 3rd nozzle: 3rd stage of operation 1140 100 2279 200

5832

HEAVY OIL SUPPLY LINE

RING SUPPLY LINE

(for heavy oil with viscosity up to 50°E at 50°C)

1- Tank (heated for heavy oil)

2- Filter (with resistance for oil > 7°E at 50°C)

3- Forwarding pump

4- Control manometer

5- Shutter valves (in couple) excluding the burner

6- Burner (provided for Kit for heavy oil code no. 3000721)

7- Pressure adjuster

8- Filter (with resistance for oil > 7°E at 50°C)

9- Burner pump

WARNING

- The oil could easily flow through the pipes if those are properly seized, protected and heated (by electricity, steam

or hot water).

- The forwarding pump capacity should be at the least double of that of 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-up: after excluding the burner by the shutter valves (5) let the oil flow into the supply ring up to reach

the required circulation; after than open the valves and supply normally the burner.

GRAVITY SUPPLY LINE

(only for oil with max. viscosity up to 7°E at 50°C)

Notice: before placing the burner in operation, ensure that the return line is open. Any obstruction may damage the

pump seal.

meters

L meters

ø 1” ø 11/4”

0210

0,5 3 11

1412

1,5 5 13

2614

Pump priming

Loose the tap of the vacuometer plug

(6) (fig. 1) and wait for the oil flow.

H = Difference in the pipes height

L = Total length of the suction tube

5832

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 1st stage

RMO Control box L2 Lamps for 2nd stage

RT Overload L3 Lamps for 3rd stage

SPre-heater tank V1 Oil valves for 1st stage

SM Air-damper actuator V2 Oil valves for 2nd stage

SO Probe PT100 V3 Oil valves for 3rd stage

TA Ignition transformer VS Safety valves

D2618

5832

WIRING CONNECTORS TO THE TERMINAL BOARD

(carried out by the installer)

2645

220V 380V

A Ampere T35 T25

B Ampere T50 T35

C mm24,0 2,5

D mm210 6

HRemote lock-out signal

I1 Optional switch on-off burner

MB Burner terminal strip

PS Reset push - button

SA High temperature oil alarm

TL Limit control device system

TS Safety control device system

T2 Load control system for 2nd stage

T3 Load control system for 3rd stage

NOTE:

yCheck the lock-out by darkening the photo-cell after removal of the cover.

ATTENTION HIGH VOLTAGE.

yIn case of supply 220V without neutral, connect the motor and the pre-heater thank through delta (the “star”

connection is the original one, made for 380V).

yNOTE

In systems where the run of wiring connecting the thermostat exceeds 20 metres in length, or in places where

the burner is subject to particularly disturbing electromagnetic interference (over 10 v/m), you must insert the

relay-interface kit item number 3010386.

5832

CHOICE: OF THE NOZZLES - OF THE PUMP PRESSURE -

OF THE COMBUSTION HEAD ADJUSTMENT

• First of all state the maximum output required with all three nozzles in operation.

• On the base of the maximum output choose, from table A, three related nozzles.

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 group,

- knowledge of the output in 1st and 2nd stage.

SUGGESTED NOZZLES

The pump pressure is referred to all three nozzles operating. The pump pressure increases automatically when two

nozzles are operating and becomes higher with only one nozzle.

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