1
DESCRIPTION OF THE BOILER
1. 1
INTRODUCTION
One of the features of the cast iron
thermal group with the integrated gas-
oil burner is its functional silence and it
has been designed in accordance with
the european directives EEC 92/42.
The perfectly balanced combustion
1.2
DIMENSIONS (fig. 1)
M C.H. flow
R
C.H. return
C1 Loading system
E
D.H.W. inlet
U
D.H.W. outlet
S
Boiler drain
70
and t he high yield allow s it t o
economise considerably the operating
costs. The instructions relative to the
following models are indicated in the
present manual:
– SOLO 25 BF TSE for heating only
– DUETTO 25 BF TSE for heating and
hot water production with instant
SOLO 25 BF TSE
G 1" (UNI ISO 228/1)
G 1" (UNI ISO 228/1)
G 1/2" (UNI ISO 228/1)
–
–
G 1/2" (UNI ISO 228/1)
tank.
SOLO-DUETTO 25 BF TSE versions
are boilers with airtight burners.
The instructions given in this manual
are provided to ensure proper installa-
tion and per fect operation of the
appliance and should be strictly fol-
lowed.
DUETTO 25 BF TSE
G 1" (UNI ISO 228/1)
G 1" (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)
Fig. 1