40
1.1
INTRODUCTION
The cast iron boilers
“1R/2R OF - 2R OF
S”
for gas-oil or gas has been designed in
compliance with the European Directives
2009/142/CEE, 2004/108/CEE,
2006/95/CEE, 92/42/CEE.
The cast iron boilers
“2R GT OF”
for gas-
oil has been designed in compliance with
the European Directive 92/42/CEE.
The components for
“1R/2R OF”
installation are supplied in three sepa-
rate packages: boiler body with smoke
chamber dismantled and inserted in
the combustion chamber, casing with
enclosed documents and contr ol
panel.
Instead, the boilers
“2R OF S”
are
supplied with the dismantled boiler
body.
The boilers
“2R GT OF”
are supplied in
four separate packages, as they come
with a gas oil burner and relating
instructions.
1
BOILER DESCRIPTION
6
7
8
9
10
Output
kW
64.8
74.0
84.0
93.3
102.1
kcal/h
55,700
63,600
72,200
80,200
87,800
Input
kW
73.4
83.1
93.8
103.4
113.5
kcal/h
63,100
71,500
80,700
88,900
97,600
P (depth)
mm
595
670
750
825
900
Sections
n°
6
7
8
9
10
Maximum water head
bar
4
4
4
4
4
Water content
l
37.5
42.0
46.5
51.0
55.5
Loss of head smoke
mbar
0.20
0.16*
0.22*
0.30*
0.35*
Comb. chamber pressure
mbar
– 0.01
0.06
0.08
0.08
0.10
Suggested chimney depression
mbar
0.21
0.22
0.30
0.38
0.32
Smokes temperature
°C
225
217
209
201
192
Smokes flow
m
3
n/h
68.0
77.7
88.0
97.6
107.5
Adjustment range
Heating
°C
30÷85
30÷85
30÷85
30÷85
30÷85
Smokes volume
dm
3
42
46
50
55
60
Weight
kg
261
293
325
357
389
1.3
TECHNICAL FEATURES
1.3.1
“1R OF” boiler
560 (1R) - 700 (2R)
1
030 (1R) - 1
235 (2R)
P
125 (1R)
135 (2R)
ø 1
50 (1R)
ø 200 (2R)
2
70 (1R)
330 (2R)
70 (1R)
85 (2R)
695 (1R) - 8
75 (2R)
865 (1R) - 1
0
75 (2R)
M
R
S
1.2
DIMENSIONAL DETAILS
Fig. 1
1R OF
2R OF/OF S/GT OF
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
