20
1.1
INTRODUCTION
The new
“1R - 2R fr eest anding”
series of cast iron boilers has been
designed in compliance with the Euro-
pean Directive CEE 92/42.
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 maintenance instruc-
tions.
The components for
“1R - 2R free-
standing”
installation are supplied in
three separate packages: boiler body,
casing with enclosed documents and
control panel.
1
BOILER DESCRIPTION
1R4
1R5
1R6
1R7
1R8
1R9
Output
kW
39.2
52.0
64.8
74.0
84.0
93.3
kcal/h
33,700
44,700
55,700
63,600
72,200
80,200
Input
kW
44.7
59.1
73.4
83.1
93.8
103.4
kcal/h
38,400
50,800
63,100
71,500
80,700
88,900
P (depth)
mm
440
520
595
670
750
825
Sections
n°
4
5
6
7
8
9
Maximum water head
bar
4
4
4
4
4
4
Water content
l
28.5
33.0
37.5
42.0
46.5
51.0
Loss of head
Smoke
mbar
0.10
0.15
0.20
0.16*
0.22*
0.30*
Water (
∆
t 10°C)
mbar
17.5
25.0
30.0
34.0
40.0
45.5
Comb. chamber pressure
mbar
– 0.02
– 0.02
– 0.01
0.06
0.08
0.08
Min. chimney depression
mbar
0.12
0.17
0.21
0.22
0.30
0.38
Smokes temperature
°C
225
225
225
217
209
201
Smokes flow
m
3
n/h
41.4
54.7
68.0
77.7
88.0
97.6
Adjustment range
Heating
°C
30÷85
30÷85
30÷85
30÷85
30÷85
30÷85
Smokes volume
dm
3
33
37
42
46
50
55
Weight
kg
201
229
261
293
325
357
1.3
TECHNICAL FEATURES
1.3.1
“1R” boiler
1.2
DIMENSIONAL DETAILS
Fig. 1
1R
2R
M C.H. flow
1
1/
2
”
2”
R C.H. return
1
1/
2
”
2”
S
Boiler/filling drain
3/4”
3/4”
* Without baffles