background image

 

2508

 

4

 

BURNER ELECTRICAL WIRING    

(50V)

Motor

Capacitor

Regulating thermostat

Neutr

al

Switch with fuse

6A max.

M

~

220V

~

60Hz

L

N

Limit thermostat
with manual resetting

Remote lock-out lamp

(230V - 0.5A max.), if required

1

N T1 T2 S3 B4

1

2

T

T

D5822

CARRIED-OUT IN THE FACTORY

Burners’s

7 pole socket

3

4

5

6

7

8

9

11

12

N

L

Yellow/

1

st

 V

alv

e

Hour counter

h

WARNING

DO NOT EXCHANGE THE NEUTRAL WITH THE PHASE

NOTES:
– Wires of  1 mm

2

 section.

– The electrical wiring carried out by the installer must

be in compliance with the rules in force in the Country.

Connect 2

nd

 stage thermostat between clamps

T6 and T8 removing the bridge.

Boilers’s

7 pin plug

green

C

D

A

E

C

A D

C
D

A

C

D

B

2

nd

 V

alv

e

Terminal block of 
control-box 530SE

*

4

6
3
2
1

5

2061425

Economizer

B5 T6 T7 T8

4 pin plug

4 pole socket

T

2

nd

 stage 

thermostat

A = 

Brown

B = 

White

C = 

Blue

D = 

Black

E = 

Grey

Summary of Contents for 3746686

Page 1: ...2902508 0 Installation use and maintenance instructions Kerosene oil burner Two stage operation CODE MODEL TYPE 3746686 G10D 716T81 ...

Page 2: ......

Page 3: ... kV 16 mA Pump Pressure 7 15 bar Absorbed electrical power 0 2 kW 1 Return line 2 Suction line 3 Gauge connection 4 Pressure regulator 2nd stage 5 Vacuum gauge connection 6 Hydraulic jacks with air damper 7 Combustion head adjustment screw 8 Lock out lamp and reset button 9 Flange with insulating gasket 10 Regulation pressure 1st stage 11 Economizer EQUIPMENT Quantity Description 2 1 2 1 1 1 1 Fle...

Page 4: ...0 189 83 83 170 4 5 ø 105 It is necessary that the insulating gasket 9 fig 1 is placed between the boiler door and the burner flange This insulating gasket has six holes which if necessary can be modified as shown on the drawing on the right D5242 Fig 2 Verify that the installed burner is lightly leaned towards the button See figure 2 The burner is designed to allow entry of the flexible oil lines...

Page 5: ...Should lock out occur prior to the arrival of the fuel await at least 20 seconds before repeating the operation Check periodically the flexible pipes conditions Using kerosene they have to be replaced at least every 2 years A metal bowl filter with replaceable micronic filter must be fitted in the oil supply pipe H meters L meters I D 8 mm I D 10 mm 0 5 1 1 5 2 10 20 40 60 20 40 80 100 WARNING The...

Page 6: ... 1 st Valve Hour counter h WARNING DO NOT EXCHANGE THE NEUTRAL WITH THE PHASE 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 Connect 2nd stage thermostat between clamps T6 and T8 removing the bridge Boilers s 7 pin plug green C D A E C A D C D A C D B 2 nd Valve Terminal block of control box 530SE 4 6 3 2...

Page 7: ...k 4 Clamps for 2nd stage thermostat 5 4 pole socket for 2nd stage thermostat 6 7 pole socket for burner N Neutral Lock out lamp L Phase Burner earth The photoresistance is fitted directly into the control box underneath the ignition trans former on a plug in support TESTING Check the shut down of the burner by opening the thermostats S7348 Ignition transformer Photoresistance S7057 ...

Page 8: ...icated in the schedule Nozzle Pump pressure Burner output Comb head adjustment Air damper adjustment bar kg h 4 1st stage 2nd stage GPH Angle 1st 2nd 1st 2nd Set point Set point Set point 1 35 60 7 11 3 5 4 5 1 5 2 1 2 5 1 50 60 7 11 4 2 5 2 1 5 2 5 3 1 1 75 60 7 11 4 5 5 6 2 0 2 5 3 0 2 00 60 7 11 5 7 7 1 3 0 2 8 3 5 2 25 60 7 11 6 1 7 5 3 0 2 9 3 8 2 50 60 7 11 6 5 8 2 3 5 3 0 4 2 2 75 60 7 11 7...

Page 9: ... the schedule One set point corresponds to 3 turns of the rod a hole 3 at its end facilitates counting the number of turns AIR DAMPER ADJUSTMENT The settings indicated in the schedule refer to the burner with its metal cover fitted and the combustion chamber with zero depression These regulations are purely indicative Each installation however has its own unpredictable working conditions actual no...

Page 10: ... regulation this is set at 7 bar at the factory Should such pressure be reset or changed just turn the screw 4 The pressure gauge must be mounted in place of cap 5 2nd STAGE ADJUSTMENT Adjustment of air shutter place the small plug 9 of the economizer 10 into the position II Item B In this way the burner remains permanently in the 2nd stage Unloosen the nut 6 turn the screw 7 until the air shutter...

Page 11: ...0 3 mm D6120 A 4 5 0 5 mm MOVE THE ELECTRODE HOLDER BACKWARDS TO THE END Attention Before assembling or remov ing the nozzle loosen the screw A and move the elec trodes ahead Normal Lock out due to light failure Thermostat Motor Ignition transformer 1st stage valve 2nd stage valve Lock out lamp 12s D5810 12s 5s 5s S7355 II I II I II I II I II I II I Position I II Burner operation in 1st or 2nd sta...

Page 12: ......

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