Technical Data
6
VITOCROSSAL 300, CT3
Note: - Dimensions p through z shown above are listed on page 4.
- Minimum shipping dimensions: use “o” in the table below, and height, width q or y (which ever is larger) in the diagram above.
Dimensions
Boiler model
CT3-
17
22
28
37
46
57
72
89
a
b
c
d
e
f
g
h
j
k
l
m
n
o (split boiler
shipping length)
Recomended
Boiler pad
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches (L)
mm
inches (W)
mm
inches (H)
mm
28¾
715
11¾
298
20½
518
62¾
1 594
76
e
1 940
7
177
9
227
31½
802
7
180
10
257
51¼
1 299
7½
194
5½
141
37
942
47
1200
35
889
4
100
28¾
715
11¾
298
20½
518
64¼
1631
78
1 980
7
177
9
227
33½
852
7
180
10
257
53
1 349
7½
194
5½
141
40
1020
50
1270
35
889
4
100
28¾
715
11¾
298
20½
523
64¾
1 644
78
f
1 996
7
177
9
221
33½
852
7
180
10
257
53
1 349
7½
194
4¾
121
42½
1081
53
1346
35
889
4
100
29¾
751
12¾
325
22¾
577
73
1 854
88¾
2 254
9½
200
8
241
36¼
921
7
d
182
11¼
284
59
1 500
7½
190
3
79
42½
1079
59
1500
39
990
4
100
29¾
751
12¾
325
22¾
577
73
1 854
88¾
2 254
9½
200
8
241
36¼
921
7
d
182
11¼
284
59
1 500
7½
190
3
79
45½
1157
62
1573
39
990
4
100
29¾
751
12¾
325
22¾
577
73
1 854
88¾
2 254
9½
200
8
241
36¼
921
7
d
182
11¼
284
59
1 500
7½
190
3
79
51½
1313
68
1 727
39
990
4
100
29¾
755
14¼
363
25¼
644
80½
2043
97
2463
10
250
11
280
38
965
8
7
/
8
225
14
360
63¾
1621
7¾
197
2½
65
55¼
1405
76
1930
43
1092
4
100
29¾
755
14¼
363
25¼
644
80½
2043
97
2463
10
250
11
280
38
965
8
7
/
8
225
14
360
63¾
1621
7¾
197
2½
65
63
1599
76
1930
43
1092
4
100
*1
The minimum combustion head length of 5½” / 140 mm must be maintained. When a burner with a shorter combustion head is used,
all functions including combustion results must be verified. The maximum combustion head length must also be observed so that the
burner on the hinged combustion chamber door can swing into service position. Radius of door hinge to outside combustion head:
18¾” / 476 mm.
5
2
8
5
8
7
1
v
1
.9
Legend
V
Vent pipe connection
SH
Female connection R ½” for air vent
and pressure gage
D
Drain
CD
Condensate drain
BR 1 Boiler return 1
BR 2 Boiler return 2
BTS Boiler temperature sensor
BD
Boiler door with burner connecting
flange
BS
Boiler supply
IO
Inspection opening
SS
Safety supply for pressure relief
valve
OP
Observation port (boiler from
CT3-17 - 28: offset by 90º )
Содержание CT3-22
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