Hamworthy Ensbury LT 70, Installation And Assembly Instructions Installation And Assembly Instructions

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Ensbury LT 70 - 580
We reserve the right to make changes to dimensions and construction 19 edition 12.2020
Hamworthy Heating Limited – Dorset BH17 ONF
6.8. Connecting the burner
6.8.1. Burner mating elevation / orientation possibilities
P min
LS
15°
nxM
nxM
Ensbury LT
70 - 580 120 - 580
Model
70 90 120 145 165 190 225 260 300 335 370 440 510 580
Furnace
Lenght L mm 768 768 910 910 1110 1110 1107 1366 1366 1366 1366 1618 1618 1618
Diameter D mm 342 342 415 415 415 415 463 463 463 508 508 530 530 530
Burner connection
Burner admittance diameter M mm
140 190 212 290
Burner tube lenght * min
max (qN max)
max (qN low NOx)
P mm
130 140
320 365 345
330 335 370 390 440
Screw hole centre diameter Lk mm
170 220 270 330
4 xM8, 45°
45°: 4 x M10
15°: 4 x M12
45°: 4 x M12
15°: 4 x M12
Maximum door load from burner
weight **
kg x m 20
34 60
Burner orientation
Max. swivel radius R mm
470 470 545 545 545 545 605 605 605 665 665 713 713 713
Distance boiler axle - pivot BS mm
300 300 338 338 338 338 375 375 375 413 413 445 445 445
Distance door flange - pivot LS mm
45 45 45 45 45 45 45 45 45 45 45 45 45 45
Door thickness
e mm
115 115 115 115 115 115 115 115 115 115 115 116 116 116
09/06
* Burner tube lengths without consideration of an eventual intermediate flange
** Load as burner weight x distance burner center of gravity - door. When necessary use a burner support.
6.8.2. Burner assembly
The front door is provided with a norm-conform flange for fitting the burner. An additional, intermediate flange
may be necessary to fit the burner. The intermediate flange and relative screws must be supplied by the burner
manufacturer.
Attention: The intermediate space between the burner tube and door hole must be filled with the supplied
insulating material before the burner is commissioned (see separate assembly guide).
6.8.3. Connection to the fuel supply
The whole installation may only be carried out by a licensed installation company. The installation must be
performed in accordance with local regulations.
Particular care is to be taken that measures are foreseen to prevent any burner start when the boiler door is
open. Good practice is to connect the fuel supply to the burner in such a way that the supply line has to be
LK
45°
LK
R
e
BS
ø M
ø M
e