Viessmann Vitomax LW M64 Installation Instructions Manual page 18

Adjusting the burner
Boiler size
Flame tube length
Burner connections
Max. flame head
■
7
Minimum flame
■
head length
Combustion chamber
volume
Relative to flame tube
length a
Max. pressure drop on
the flue gas side, 110 °C
For natural gas
■
For EL fuel oil
■
Tab. 10
M62C
Boiler size
Rated heating output
110 °C
For natural gas
■
For EL fuel oil
■
Permiss. combustion
heating output 110 °C
For natural gas
■
For EL fuel oil
■
Flame tube dimen-
sions
Diameter
Smooth
■
pipe, min.
internal
6 bar d1
7
10 bar
16 bar
Corruga-
■
ted pipe,
internal
16 bar d1
7
Corruga-
■
ted pipe,
average
16 bar d2
7
Cone,
■
min. in-
ternal
7
Lengths
Reversing chamber
depth
Burner connections
18
(cont.)
1
a mm 1500 1680 1860 2090 2250 2450 2650 2900 3300 3470
c mm 380 380
e mm 335 335
m 3 0.55 0.70
mbar 2.9 4.4
mbar 2.5 3.9
1 2
MW 2.30 2.60 2.90 3.20 3.60 4.20 4.50 5.20 6.00 6.75 8.00
MW 2.30 2.60 2.90 3.20 3.60 4.20 4.50 5.20 6.00 6.75 8.00
MW 2.50 2.83 3.15 3.48 3.91 4.57 4.89 5.65 6.52 7.34 8.70
MW 2.50 2.83 3.15 3.48 3.91 4.57 4.89 5.65 6.52 7.34 8.68
mm 803 803
mm 797 797
mm 785 785
mm
– –
mm
– –
f mm 617 617
a mm 2630 2630 2900 2900 3240 3240 3660 3660 4220 4220 4830
g mm
b mm
2 3 4 5
380 380 380
335 335 335
0.94 1.19 1.43
7.0 8.2 5.5
6.2 7.1 4.8
3 4 5
853 853 901 901
845 845 893 893
835 835 885 885
– – –
– – –
667 667 717 717
6 7 8
420 420 530
335 360 400
1.85 2.42 3.02 3.88
8.2 10.0 11.0
7.2 8.9 9.6
6 7 8 9
974 974 1064 1064 1143
968 968 1064 1064 1135
– – –
950 950 1050 1050 1125
–
1000 1000 1100 1100 1175
–
792 792 892
800
500
9 A B
3700
530 530 600
400 430 480
4.76 5.66
9.4 10.5 11.2
8.1 9.0 10.1
A B C
8.80
8.55
9.57
9.24
1143
1135
– – –
1125
1175
892 971 971
4830