1.2
DIMENSIONI
1.2.1
“25 OF” model (fig. 1)
D
Fig. 1
Fig. 1/a
1.2.2
“25 - 30 BF” models (fig. 1/a)
64
1.1
INTRODUCTION
“FORMAT DGT”
are the gas fuelled burner
groups for heating and the production of
hot sanitary water, constructed to satisfy
the needs of collective residential housing
and modern plant.
They are apparatuses which conform to
the European directives 2009/142/CE,
2004/108/CE, 2006/95/CE and
92/42/CE.
The can be fuelled by natural gas (G20) or
LPG (G30-G31).
This booklet gives the instructions for the
following models:
– “FORMAT DGT 25 OF”
open combustion
chamber with natural draw.
– “FORMAT DGT 25-30 BF”
sealed com-
bustion chamber forced flow.
The instructions given in this manual are
provided to ensure proper installation and
perfect operation of the appliance.
1
DESCRIPTION OF THE BOILER
CONNECTIONS
R C.H. return
G 3/4” (UNI-ISO 228/1)
M C.H. flow
G 3/4” (UNI-ISO 228/1)
G Gas connection
G 3/4” (UNI-ISO 228/1)
E
D.H.W. inlet
G 1/2” (UNI-ISO 228/1)
U D.H.W. outlet
G 1/2” (UNI-ISO 228/1)
DIMENSIONS
25 OF
D mm
130
CONNECTIONS
R C.H. return
G 3/4” (UNI-ISO 228/1)
M C.H. flow
G 3/4” (UNI-ISO 228/1)
G Gas connection
G 3/4” (UNI-ISO 228/1)
E
D.H.W. inlet
G 1/2” (UNI-ISO 228/1)
U D.H.W. outlet
G 1/2” (UNI-ISO 228/1)
DIMENSIONS
25 BF
30 BF
L mm
400
450
K mm
203
221
