Combustion Details For The Unimat Ut-L Boilers - Bosch UT-L 1 Technical Manual

4.4

Combustion details for the UNIMAT UT-L boilers

80
D05.005
L 5
D04.000
D04.005
~40
D02.000
Fig. 24 Combustion chamber dimensions
D02.000 Flue
D02.002 Flue tube bundle for 2nd pass
D02.003 Flue tube bundle for 3rd pass
UNIMAT Output limit
Heating
boiler
UT-L
Type kW
UT-L 1 650
UT-L 2 750
UT-L 4 1000
UT-L 6 1000
UT-L 8 1250
UT-L 10 1350
UT-L 12 1500
UT-L 14 1900
UT-L 16 2000
UT-L 18 2500
UT-L 20 2500
UT-L 22 3000
UT-L 24 3050
UT-L 26 3500
UT-L 28 3700
UT-L 30 4200
UT-L 32 4250
UT-L 34 5200
UT-L 36 5250
UT-L 38 6000
UT-L 40 6500
UT-L 42 7700
UT-L 44 8000
Table 20 Main dimensions
UNIMAT
L 1
L 2
D02.002 D02.003
L 1 L 2
[mm] [mm]
1821 1570
2200 1930
2200 1930
2470 2180
2667 2378
2470 2180
3148 2850
2667 2378
3195 2878
3148 2850
3552 3235
3986 3650
3195 2878
4105 3750
3552 3235
3986 3650
4483 4100
4105 3750
4712 4300
4911 4500
4483 4100
4712 4300
5360 4930
D04.000 Front reversing chamber (door) (left door
hinge)
D04.005 Reversing chamber screw fitting
D05.005 Flame inspection hole (≥ UT-L 30 on the side)
Combustion chamber dimension(s)
Bare tube
Max. permitted
operating
pressure D 1
[bar] [mm]
6 534
16 600
16 600
16 660
16 726
16 660
16 776
16 726
16 842
16 776
16 894
16 927
16 842
16 1007
16 897
16 927
16 1084
16 1007
16 1174
16 1260
16 1084
16 1174
16 1336
Burner | 33
B 1
6 720 803 977-15.1itl
Corrugated pipe
Max. permitted
operating
pressure D 2 / D 1
[bar] [mm]
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
6 720 807 794 (2013/04)