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20065682

18 

GB

Electrical system

7.2

Electrical wiring

TESTING:

Check the shut-down of the burner by opening the thermostats
and the lock-out by darkening the photoresistance.

7.2.1

Control box

To remove the control box (Fig. 17) from the burner follow of the
instruction: 

Loosen the screw 1), open the protection 2) and remove all
components.

Remove the coil 3).

Loosen the two screws 4).

Move a little the control box and remove the high voltage
leads.

WARNING

Do not swap neutral and phase over, follow
the diagram shown carefully and carry out a
good earth connection.

The electrical wiring carried out by the
installer must be in compliance with the rules
in force in the country.

The section of the conductors must be at
least 1mm

2

. (Unless requested otherwise by

local standards and legislation).

Capacitor

N

L

~

50Hz - 230V

Limit

Oil valve

D4218

CONTROL BOX

Photoresistance

535SE/LD

thermostat

Safety 

Motor

Main switch

T6 A

Black

White

Blue

PE

Ignition

electrodes

Remote lock-out signal
(230V - 0.5A max.)

4 pin plug

4 pole socket

Burner-earth 

thermostat

TO BE COMPLETED
BY THE INSTALLER

CARRIED-OUT

IN THE FACTORY

Fig. 16

DANGER

This operation must be performed with the burner
turned off and mains power disconnected.

E9151

4

4

3

1

2

Fig. 17

Summary of Contents for RDB2.2 SAVANNAH B20

Page 1: ...4 2014 Installation use and maintenance instructions Kerosene burners One stage operation CODE MODEL TYPE 20065508 RDB2 2 SAVANNAH B20 744T1K 20065509 RDB2 2 SAVANNAH B26 744T3K 20065510 RDB2 2 SAVANNAH B35 744T3K ...

Page 2: ...Original instructions ...

Page 3: ...y for the installation 10 5 2 Handling 10 5 3 Preliminary checks 10 5 4 Installer Servicer notes for the use of Gas oil with Bio blends up to 30 where gas oil use is permittedby the appliance Manufacturer 11 5 5 Working position 11 5 6 Boiler fixing 12 5 7 Burner assembly 12 6 Hydraulic systems 14 6 1 Fuel supply 14 6 1 1 Pump 14 6 2 One pipe system 15 6 2 1 Priming pump 15 6 3 Two pipe system 16 ...

Page 4: ...20065682 2 GB Contents 9 2 1 Maintenance frequency 22 9 2 2 Checking and cleaning 22 10 Faults Solutions 23 ...

Page 5: ...compliance with the following Technical Standard EN 12100 EN 267 and according to the European Directives MD 2006 42 EC Machine Directive LVD 2006 95 EC Low Voltage Directive EMC 2004 108 EC Electromagnetic Compatibility The quality is guaranteed by a quality and management system certified in accordance with UNI EN ISO 9001 Legnago 10 10 2013 Executive Director RIELLO S p A Burner Department Rese...

Page 6: ...elivered to the user by the system manufacturer with the recommendation to keep it in the room where the heat generator is to be installed The instruction manual shows the serial number of the burner the address and telephone number of the nearest Assis tance Centre The system supplier must carefully inform the user about the use of the system any further tests that may be required before activati...

Page 7: ...Riello war ranty is dependent upon the use of Riello genuine compo nents including the oil lines being used 3 Riello warranty does not cover defects arising from incor rect commissioning or servicing by non Riello employed service engineers and any issues impacting the burner arising from external site related issues 2 3 Guidance for the use of bio fuel blends up to 30 where gas oil use is permitt...

Page 8: ...iance applica tion and commissioned checking that all combustion param eters are as recommended in the appliance technical manual Riello recommends that the in line and burner oil pump filters are inspected and if required replaced at least every 4 months during burner use before the burner start up follow ing a long period of discontinue operation and even more frequently where contamination has ...

Page 9: ...nd maintenance errors or to improper use 3 3 Basic safety rules Children or inexpert persons must not use the appliance Under no circumstances must the intake grids dissipation grids and ventilation vents in the installation room be cov ered up with cloths paper or any other material Unauthorised persons must not attempt to repair the appli ance It is dangerous to pull or twist the electric leads ...

Page 10: ...744T3K B35 Output Thermal power with air at 20 C 1 3 1 7 kg h 15 6 20 5 kW 1 3 1 7 kg h 15 6 20 5 kW 1 8 3 5 kg h 21 3 42 0 kW Fuel Kerosene viscosity 1 6 6 mm2 s at 20 C Hi 11 97 kWh kg Electrical supply Single phase 50Hz 230 V 30 Motor Run current 0 85 A 2700 rpm 283 rad s Capacitor 4 5 mF Ignition transformer Secondary 8 kV 25 mA Pump Kerosene maximum pressure 10 bar 145 psi Absorbed electrical...

Page 11: ...9 20065682 GB Technical description of the burner 4 4 Burner dimensions Flange Burner 49 202 130 20 4 5 Ø 85 223 5 11 168 D4087 72 72 150 4 5 ø 75 230 180 136 150 Fig 2 ...

Page 12: ...ns for the burner can be highly dangerous if not carried out with the great est attention keep any unauthorised people at a distance check the integrity and suitableness of the available means of handling Check also that the area in which you are working is empty and that there is an adequate escape area i e a free safe area to which you can quick ly move if the burner should fall When handling ke...

Page 13: ... at the tank and a secondary 60 micron filter are used to protect the burner pump and nozzle from con tamination The burner hydraulic components and flexible oil lines must be suitable for bio fuel use check with Riello if in doubt Riello have carefully chosen the specification of the bio com patible components including the flexible oil lines to protect the pump safety value and nozzle The Riello...

Page 14: ...rner shall not operate without protection A of the suction inlet BF Application In case of BF applications an optional snorkel and gasket are available replacing A with B This item can be supplied separately E9095 1 Fig 5 WARNING The seal between burner and boiler must be airtight 5 1 E9094 2 4 3 Fig 6 CAUTION The temperature of the incoming air must not exceed 70 C D5884 A Fig 7 WARNING For corre...

Page 15: ... air intake tube s inlet is positioned so that it is not likely to be obstructed by foreign matter and where nec essary use suitable screens The inside diameter of the hose must be at least 80 mm The intake tube can be up to 6 metres in length NOTE Burner installation must comply with one of the installations illustrated in the figures below WARNING Length is reduced if there are bends in the inta...

Page 16: ...ere gas oil containing bio diesel is in use it is recommended to avoid over oxygenation of the blended fuels Where at all possible avoid the use of two pipe systems where the circulated fuel is returned to the tank If this cannot be avoided make sure that the return pipe is normally below the surface of the fuel level within the storage tank See Fig 15 WARNING The suction plug 1 is made of plastic...

Page 17: ... length of the suction line I D internal diameter of the oil pipes NOTE The Tab B and Tab C show the maximum approximate lengths for the supply line depending on the difference in level length and the diameter of the fuel conduit CAUTION You are advised to use additional filters on the fuel supply line Riello recommends a good quality fuel filter at the tank Fig 13 Fig 14 and a secondary filter 60...

Page 18: ...l L max length of the suction line I D internal diameter of the oil pipes NOTE The Tab D shows the maximum approximate lengths for the sup ply line depending on the difference in level length and the di ameter of the fuel conduit CAUTION You are advised to use additional filters on the fuel supply line Riello recommends a good quality fuel filter at the tank Fig 15 and a secondary filter 60 for ga...

Page 19: ...at least once every 24 hours to enable the control box to perform checks of its own start up efficiency Normally the boiler s thermostat pressure switch ensures the stopping of the burner If this is not the case it is necessary to apply in series with IN a timer switch that turns off the burner at least once every twenty four hours Refer to the wiring diagrams The electrical safety of the device i...

Page 20: ... carefully and carry out a good earth connection The electrical wiring carried out by the installer must be in compliance with the rules in force in the country The section of the conductors must be at least 1mm2 Unless requested otherwise by local standards and legislation Capacitor N L 50Hz 230V Limit Oil valve D4218 CONTROL BOX Photoresistance 535SE LD thermostat Safety Motor Main switch T6A Bl...

Page 21: ...ied out by qualified personnel as indicated in this manual and in compliance with the standards and regula tions of the laws in force WARNING Check the correct working of the adjustment com mand and safety devices WARNING Combustion air is drawn in from outside meaning there may be notable changes in temperature which can affect the percentage of CO2 You are advised to adjust CO2 in accordance wit...

Page 22: ...actual nozzle output positive or negative pressure in the combustion chamber the need of excess air etc All these conditions may require a different air damper setting Secondary air damper Fig 20 The purpose of this damper is to perform a fine tuning of the inlet air Tuning of this device is possible acting of the screw 3 WARNING In order to adjust the damper at 12 kW over turn it by reversing the...

Page 23: ...ner start up cycle Lock out is indicated by a lamp on the control box 3 Fig 1 to page 8 WARNING The position of the electrodes cannot be regulat ed In case of failure check that the measure ments as shown on the figure are respected 4 0 3 mm D5230 A 2 2 5 mm Fig 21 Thermostat Motor Ignition transformer Valve Flame Lock out lamp 12s D5229 12s 5s Lock out due to failure to light Normal Fig 22 ...

Page 24: ...ping Hoses Check periodically the flexible pipes conditions They have to be replaced at least every 2 years In case of use of gas oil and bio fuel blends it is strongly rec ommended to inspect even more frequently the hoses and replace them where contamination has occurred Check to make sure that the hoses are still in good condi tion Fuel tank If water or contamination is present within the fuel ...

Page 25: ...start when the limit thermostat closes Lack of electrical supply Check presence of voltage in the L N clamps of the control box Check the conditions of the fuses Check that safety thermostat limit is not lock out The photoresistance sees false light Eliminate the light Resistance or start thermostats are faulty Replace them The connections in the control box are wrongly inserted Check and connect ...

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Page 28: ...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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