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1.1
INTRODUCTION
One.of.the.features.of..the.cast.iron.
thermal. group. condensing. with. the.
integrated.gas-oil.burner.is.its.func-
tional.silence..
The. perfectly. balanced. combustion.
and.the.high.yield.allows.it.to.econ-
omise. considerably. the. operating.
costs..
The. instructions. given. in. this. man-
ual. are. provided. to. ensure. proper.
installation.and.perfect.operation.of.
the.appliance.and.should.be.strictly.
followed.
70
1 DESCRIPTION OF THE BOILER
1.2
DI MEN SIO NS (fig. 1)
85
45
M
S1
215
R
A
S2
U
C
E
952
125
200
90
1075
1430
ø.130
550
1145
=
=
Fig..1
KEY
M. C.H..flow.G.1”.(UNI-ISO.228/1)
R.. C.H..return..G.1”.(UNI-ISO.228/1)
U. D.H.W..outlet.G.3/4”.(UNI-ISO.228/1)
E. D.H.W..inlet.G.3/4”.(UNI-ISO.228/1)
C. Recirculation..G.3/4”.(UNI-ISO.228/1)
S. Boiler.drain
S1. System.safety.valve.drain
S2. Boiler.safety.valve.drain
A. --
879
S2
S1
294
294
512
1430
ø.130
550
1160
38
55
38
69
232
165
145
E
C
U
R
M
A
AQUA HE 25-35 ErP BE
AQUA HE 25-35 INOX ErP BE