Riello REG 35.5 Quick start guide

Installation, use and maintenance instructions

2902416 (5) - 05/2016

Light oil burner

CODE MODEL TYPE

3772216 REG 35.5 722T

2416 1

211.5

215.5

279

130

150

170

6565

211

3 4 5 6

Output - Thermal power 2.3 – 5 kg/h – 27 – 60 kW

Fuel Light oil, viscosity 4 –6 mm2/s at 20 °C

Electrical supply Single phase 230V ±10% ~50Hz

Motor Run current 0.75A – 2750 rpm – 289 rad/s – Capacitor 4 F

Ignition transformer Secondary 8 kV – 16 mA

Pump Pressure: 8 – 15 bar – min. output 22 kg/h

Absorbed electrical power 0.17 kW

1– Flange with insulating gasket

2– Air damper

3– Photoresistance

4– Nozzle holder assembly

5– Reset button with lock-out lamp

6– Control box

7– Oil pump

8– Protection crankcase

BURNER EQUIPMENT

No. 1 - Flange with insulating gasket

No. 2 - Flexible pipes with nipples

OBurner with CE marking in conformity with EEC directives: EMC 2014/30/UE, Low Voltage 2014/35/UE,

Machines 2006/42/EC and Efficiency 92/42/EC.

OThe burner meets protection level of IP X0D (IP 40), EN 60529.

OCE Certification No.: 0036 0342/03 as 92/42/EC.

TECHNICAL DATA

D5263 Fig. 1

ø 89

121.5

FIRING RATE (as EN 267)

22.533.54 5

25 5030 40 60

0.8

0.6

0.4

0.2

0Light oil output - kg/h

Thermal power - kW

Pressure in combustion

D5264

chamber - mbar

4.5

554535

BOILER FIXING

Remove 4 screws (1), insert the

flange (2) and tighten screws (1)

again. Insert the insulating gasket

(3) (if necessary increase the holes

as shown in fig. 2) and fix the burner

to the boiler, (see fig. 3).

S7029

Fig. 2

Fig. 3

2416 2

PRIMING PUMP

On the system in fig. 5 it is sufficient to loosen the suction gauge

connection (8, fig. 4) and wait until oil flows out.

On the systems in fig. 6 and 7 start the burner and wait for the priming.

Should lock-out prior to the arrival of the fuel, await at least 20 seconds before

repeating the operation.

The pump suction should not exceed a maximum of 0.4 bar (30 cm Hg).

Beyond this limit gas is released from the oil. Oil pipes must be completely

tight. In the vacuum systems the return line should terminate within the oil tank

at the same level as the suction line. In this case a non-return valve is not

required.

Should however the return line arrive over the fuel level, a non return valve is

required. This solution however is less safe than previous one, due to the

possibility of leakage of the valve.

It is necessary to install a filter on the fuel supply line.

H= difference of level; L= max. lenght of the suction line; I.D. = internal diameter.

max. 4 m

Fig. 5

meters

L meters

I.D.

8 mm I.D.

10 mm

0.5

1.5

100

OBefore starting the burner make sure that the return

pipe-line is not clogged. An excessive back pressure

would cause the damage of the pump seal.

OThe pump is designed for operation on a two line sys-

tem. In order to convert it for single line system it is

necessary to unscrew the return plug (2), remove the

by- pass screw (3) and then to tighten the plug (2)

(see fig. 4).

SYSTEM NOT PERMITTED

IN GERMANY

D5517

1- Suction line

2- Return line

3- By-pass screw

4- Gauge connection

5- Suction gauge connection

6- Pressure adjuster

7- Coil

8- Main line port

9- Auxiliary pressure test point

Fig. 4

4 632 7

D6186

HYDRAULIC SYSTEMS

meters

L meters

I.D.

8 mm I.D.

10 mm

0.5

1.5

3.5

100

D5518

Hmax. 4 m

Fig. 6 Fig. 7

max. 4 m

2416 3

– Disconnect the oil pipe fitting (1) from the pump. Take out the

photoresistance (2), loosen the retainer screws (3) of the cover.

– Remove the nozzle holder assembly after turning and sliding it

out. The nozzle holder assembly must stay on the left side of the

burner during its sliding.

REMOVAL OF NOZZLE HOLDER ASSEMBLY (Fig. 8)

Fig. 8 S7030

ELECTRICAL WIRING

230V ~50Hz

T6A

NOTES:

– Wires of 1 mm2 section.

– The electrical wiring carried out by the

installer must be in compliance with

the rules in force in the Country.

Photoresistance

Oil valve

Capacitor

Burner-earth

CONTROL BOX

535SE

Black

White

Blue

Do not exchange neutral with phase

WARNING

Motor

D5259

CARRIED-OUT IN

THE FACTORY

Neutral

Main switch

Safety thermostat

Limit thermostat

Remote lock-out signal

(230V - 0.5A max.)

– Remove the protection crankcase (8,

fig. 1, page 1) after removing the 3

retainer screws. Widen the upper slit

and remove the protection crankcase,

inserting the oil pipe and the flexible oil

lines.

– Insert PG 13.5 cable-gland (1) into the

wire access hole and tighten it with the

nut.

– Insert the electrical cable into the con-

nector and make electrical connec-

tions as shown in fig. 9.

– Put the protection crankcase back in

place.

TESTING:

Check the shut-down of the burner by

opening the thermostats and the lock-out

by darkening the photoresistance.

TO REMOVE THE CONTROL BOX FROM

THE BURNER PROCEED AS FOLLOWS:

– Take out the photoresistance (2, fig. 8).

– Remove the nozzle holder assembly

(see fig. 8).

– Remove the protection crankcase

(8, fig. 1, page 1), as above men-

tioned.

– Disconnect the main voltage cable

(3, fig. 9).

– Remove screws (2, fig. 9) and discon-

nect wires of motors, photoresistance

and coil.

ELECTRICAL CONNECTIONS

Fig. 9 S7031

2416 4

In conformity with Efficiency Directive 92/42/EEC the application of the burner on the boiler, adjustment and

testing must be carried out observing the instruction manual of the boiler, including verification of the CO and

CO2concentration in the flue gases, their temperatures and the average temperature of the water in the boiler.

To suit the required appliance output, choose the proper nozzle and adjust the pump pressure, the setting of

the combustion head, and the air damper opening in accordance with the following schedule.

The values shown in the table are measured on a CEN boiler (as per EN 267). They refer to 12.5% CO2at sea

level and with light oil and room temperature of 20°C.

PUMP PRESSURE: 12 bar, the pump leaves the factory set at this value.

RECOMMENDED NOZZLES: Delavan type W -B; Danfoss type S - B; Monarch type R; Steinen type S - Q.

Nozzle

GPH Angle Pump pressure

bar Burner output

kg/h ±4% Comb. head adjustment

Set-point Air damper adjustment

Set-point

0.60 80° 11 2.3 0.5 2.5

0.65 60° 12 2.6 1 3.5

0.75 60° 12 3.0 1.5 3.5

0.85 60° 12 3.4 2.5 5.0

1.00 60° 12 4.0 3 7.5

1.10 60° 12 4.4 4 9.0

1.25 60° 12 5.0 4 10.0

COMBUSTION ADJUSTMENT

– Remove the nozzle holder assembly from the

burner (see page 3).

– Remove the diffuser-disc assembly (1) from the

nozzle holder (2) after loosening the screw (3).

– Insert the proper nozzle (6) into the nozzle holder

and tighten securely.

– REPLACE THE DIFFUSER-DISC ASSEMBLY (1)

AND INSERT IT IN THE NOZZLE HOLDER (2)

UNTIL THE END. LOCK WITH SCREW (3).

– Remove the nozzle holder assembly (see page 3).

– Loosen the screw (4), move the electrodes assem-

bly (5) and lock the screw (4).

It depends on the output of the burner and is carried

out by rotating clockwise or counterclockwise the set-

ting screw (1) until the set-point marked on the regu-

lating rod (2) is level with the outside plane of the

nozzle holder assembly (3).Loosen the screw (1) and move the indicator towards

the required set-point and then lock the screw (1).

NOZZLE POSITIONING (Fig. 10)

ELECTRODE SETTING (Fig. 10)

COMBUSTION HEAD SETTING (Fig. 11)

Fig. 11

S7032

MEASURES MUST BE

RESPECTED

WARNING:

Fig. 10

D5268

4.5 – 0.5 mm

02 – 2.5 mm

6312

AIR DAMPER ADJUSTMENT (Fig. 12)

Fig. 12

S7033

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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