9
3
Installation
3.1
Installation positions
Removal of the locking screws from the shutter
Remove the screws and the nuts 1)-2), before installing the bur-
ner on the boiler. Replace them with the screws 3) M12 X 25
supplied with the burner.
Horizontal installation
The burner is available in various models to be installed with the
air intake from below or above.
3.2
Blast tube length (Fig. 10)
The length of the blast tube must be selected according to the indications provided by the manufacturer of the boiler, and in any
case it must be greater than the thickness of the boiler door complete with its fettling. For boilers with front flue passes 1) or flame
inversion chambers, protective fettling in refractory material 5) must be inserted between the boiler fettling 2) and end cone 4).
This protective fettling must not compromise the extraction of the blast tube. For boilers having a water-cooled front the refractory
fettling 2)-5)(Fig. 10) is not required unless it is expressly requested by the boiler manufacturer.
3.3
Securing the burner to
the boiler (Fig. 10)
•
Prepare an adequate system of hoisting by
hooking onto the rings 3).
•
Slip the thermal protection (standard equip-
ment) onto the blast tube 4).
•
Place entire burner on the boiler hole
arranged previously and fasten with the
screws given as standard equipment.
The coupling of the burner-boiler must be
air-tight.
3.4
Accessibility to the
interior of the combustion
head (Fig. 11) (Optional)
•
Switch off the electrical power.
•
Unscrew the locknut 6) and release the tie
rod 7).
•
Disconnect the servomotor sockets X1 and
X2.
•
Remove the 4 fixing screws 1).
•
Open burner at hinge (see Fig. 11) (only
optional).
•
Disconnect the wires 2) from the probe and
the electrode.
•
Turn the under part of the elbow 3)
anticlockwise until it comes free of its slot.
•
Unscrew screw 4) with pressure test point.
•
Extract the internal part 5) of the
combustion head.
•
With burner closed, the accessibility to the interior combustion head is possible by removing the cover 8).
1
2
1
2
3
3
D12015
1
2
5
3
3
3
Fig. 10
3
3
3
2
1
1
5
4
6
X2
X1
7
1
2
3
4
5
8
Fig. 11
Summary of Contents for DB 4 SM BLU
Page 2: ......
Page 39: ...1...
Page 48: ...10 4 4 1 D7543 C GF HPG LPG MM PA PGM PGm RG SRV VE VPS VR VS 0 5 4 bar 500 mbar 12...
Page 49: ...11 4 4 2 DANGER WARNING MB PA PGM SM SO TA TB D7904 13...
Page 51: ...13 5 5 3 1 4 2 3 5 6 7 1 2 0 3 20 4 5 20 130 1 4 5 4 130 19 18 D1500 3 2 4 1 19 1 2 3 4 D1499...
Page 52: ...14 5 MAN 3 1 130 90 2 19 2 19 20 2 2...
Page 54: ...16 5 5 7 6 A 100 A 5 8 1 2 3 4 5 1 2 3 4 5 6 D3097 23 A...
Page 55: ...17 6 6 1 1 2 3 VR VR VS VR WARNING DANGER...
Page 56: ...18 6...
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