1
DESCRIPTION OF THE BOILER
1.1
INTRODUCTION
The. "RMG Mk.II". are. hot. water. genera-
tors.designed.for.medium-sized.heating.
1.2
DIMENSIONS (fig. 1)
P
S
475
1.3
TECHNICAL FEATURES
Heat output
Heat input
Sections
Power consumption
Maximum water head
Test pressure
Water content.
Category
Type
Smokes temperature.
Smokes flow.
Maximum temperature
C.H. setting range
Main burner nozzles
Quantity.
Natural.gas.
G30.-.G31.
Gas consumption *
Natural.gas.
Butane.(G30).
Propane.(G31).
Burner gas pressure
Natural.gas.
Butane.(G30).
Propane.(G31).
Gas supply pressure
Natural.gas.
Butane.(G30).
Propane.(G31).
Weight .
*..The.gas.consumptions.refer.to.the.calorific.value.at.standard.conditions.at.15°C.-.1013.mbar.
42
plants...These.appliances.can.be.fired.by.
natural. gas. (methane). and. butane. gas.
(G30).or.propane.gas.(G31)..
The.instructions.given.in.this.manual.are.
D
L
70 Mk.II
kW.
49.1-70.1.
kW.
54.5-77.9.
n°.
8.
W
16.
bar.
4.
bar.
6.
l.
25.
II
.
2H3+
B
.
11BS
°C.
158.
kg/h.
170.
°C.
95.
°C.
40÷85.
n°.
7.
ø.mm.
2.95.
ø.mm.
1.70.
3
m
st/h.
8.2.
kg/h.
6.0.
kg/h.
5.9.
mbar.
4.5.-.9.3.
mbar.
12.2.-.25.2.
mbar.
16.4.-.32.6.
mbar.
20.
mbar.
30.
mbar.
37.
kg
238.
195
G
R
75
A
80 Mk.II
90 Mk.II
56.0-78.7.
63.0-90.0.
62.2-87.4.
70.0-100.0.
9.
10.
16.
16.
4.
4.
6.
6.
28.
31.
II
.
II
.
2H3+
2H3+
B
.
B
.
11BS
11BS
160.
160.
180.
230.
95.
95.
40÷85.
40÷85.
8.
9.
2.95.
2.95.
1.70.
1.70.
9.2.
10.6.
6.8.
7.7.
6.7.
7.6.
4.6.-.9.1.
4.7.-.9.3.
12.3.-.25.4.
12.0.-.25.1.
16.1.-.30.2.
15.6.-.30.0.
20.
20.
30.
30.
37.
37.
266.
294.
provided. to. ensure. proper. installation.
and.perfect.operation.of.the.appliance.
R.. C.H..return.
M.. C.H..flow.
G.. Gas.connection.
S.. Boiler/filling.drain.
M
.
L.
D.
.
mm. ø.mm. mm. mm
70 Mk.II.
840.
180.
80 Mk.II.
940.
180.
90 Mk.II. 1040. 200.
100 Mk.II 1140. 225.
110 Mk.II 1240. 250.
100 Mk.II
110 Mk.II
69.9-98.6.
74.7-107.9
77.7-109.5.
85.5-120.5
11.
16.
4.
6.
34.
II
.
II
2H3+
B
..
11BS
144.
287.
95.
40÷85.
40÷85
10.
2.95.
2.95
1.70.
1.70
11.6.
12.7
8.5.
8.3.
4.7.-.9.3.
4.6.-.9.3
12.5.-.25.1.
12.6.-.25.6
16.6.-.32.7.
16.6.-.34.3
20.
30.
37.
322.
1
1
/
"
2
1
1
/
"
2
1"
.3/4"
P.
A
645. 415
645. 415
645. 415
645. 415
670. 400
Fig..1
12
69
4
6
37
2H3+
B
11
140
330
95
11
9.3
9.1
20
30
37
350