1.1
INTRODUCTION
One. of. the. features. of. . the. cast. iron.
thermal. group. with. the. integrated.
gas-oil.burner.is.its.functional.silence...
The. perfectly. balanced. combustion.
and.the.high.yield.allows.it.to.econo-
mise.considerably.the.operating.costs..
The. instructions. relative. to. the. fol-
lowing. models. are. indicated. in. the.
present.manual:
–. SOLO 25-35 ErP LN.for.heating.only
–. DUETTO 25-35 ErP LN. for. heating.
and. hot. water. production. with. in-
stant.tank
The.instructions.given.in.this.manual.
are.provided.to.ensure.proper.instal-
lation. and. perfect. operation. of. the.
appliance.and.should.be.strictly.follo-
wed.
66
1 DESCRIPTION OF THE BOILER
1.2
DIMENSIONS (fig. 1)
Fig..1
SOLO 25 ErP LN
SOLO 35 ErP LN
DUETTO 25 ErP LN
DUETTO 35 ErP LN
P. Depth.(mm).
750.
850.
750.
850.
M. C.H..flow.
G.1”.(UNI.ISO.228/1).
G.1”.(UNI.ISO.228/1).
G.1”.(UNI.ISO.228/1).
G.1”.(UNI.ISO.228/1)
R.. C.H..return.
G.1”.(UNI.ISO.228/1).
G.1”.(UNI.ISO.228/1).
G.1”.(UNI.ISO.228/1).
G.1”.(UNI.ISO.228/1)
C1. System.load.
G.1/2”.(UNI.ISO.228/1).
G.1/2”.(UNI.ISO.228/1).
–.
--
E. D.H.W..inlet.
–.
–.
G.1/2”.(UNI.ISO.228/1).
G.1/2”.(UNI.ISO.228/1)
U. D.H.W..outlet.
–.
–.
G.1/2”.(UNI.ISO.228/1).
G.1/2”.(UNI.ISO.228/1)
S. Boiler.drain.
G.1/2”.(UNI.ISO.228/1).
G.1/2”.(UNI.ISO.228/1).
G.1/2”.(UNI.ISO.228/1).
G.1/2”.(UNI.ISO.228/1)