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BOILER DESCRIPTION
1. 1
INTRODUCTION
The "1R" series of cast iron boilers
has been designed in compliance with
the European Directive CEE 92/42.
1.2
DIMENSIONS
1.3
TECHNICAL FEATURES
Output
Input
P (depth)
Sections
Maximum water head
Water content
Loss of head smoke
Loss of head water (∆t 10°C)
Combustion chamber pressure
Suggested chimney depression
Smokes temperature
Smokes flow
Adjustment range heating
Smokes volume
Combustion capacity
Weight
1.4
LOSS OF HEAD
50
40
30
20
1R 4
10
0
1
2
They use light oil and have a perfectly
balanced combustion with a very high
thermal ef ficiency for economical
performance. This booklet contains
the installation, operating and mainte-
1R4
kW
37.2
kcal/h
32,000
kW
42.3
kcal/h
36,400
mm
410
n°
bar
l
28.5
mbar
0. 1 0
mbar
17.5
mbar
– 0.02
mbar
0. 1 2
°C
231
m
3
n/h
40.3
°C
30÷85
dm
3
33
kg/h
3.56
kg
201
1R 9
1R 8
1R 7
1R 6
1R 5
3
4
5
6
7
Portata m
1R5
1R6
48.5
60.8
41,700
52,300
54.9
68.5
47,200
58,900
485
560
4
5
6
4
4
4
33.0
37.5
0. 1 5
0.20
25.0
30.0
– 0.02
– 0.01
0. 1 7
0.21
225
221
52.3
65.2
30÷85
30÷85
37
42
4.62
5.77
229
261
NOTE: The losses of head shown in
the diagram were obtained with a
∆t of 10°C.
8
Flow m
3
/h
/h
3
nance instructions.
The components for "1R" installation
are supplied in two separate packa-
ges: boiler body and casing with con-
trol panel and documents.
M C.H. flow
R C.H. return
S
Boiler filling drain
1R7
1R8
69.3
78.7
59,600
67,700
77.8
88.0
66,900
75,700
640
715
7
8
4
4
42.0
46.5
0. 1 6
0.22
34.0
40.0
0.06
0.08
0.22
0.30
217
209
74.0
83.8
30÷85
30÷85
46
50
6.55
7.42
293
325
1
1 /
"
2
1 /
1
"
2
3/4"
Fig. 1
1R9
87. 1
74,900
97.5
83,900
795
9
4
51.0
0.30
45.5
0.08
0.38
195
92.8
30÷85
55
8.22
357
Fig. 2
7
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