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 CEE 92/42.
The perfectly balanced combustion
and t he high yield allow s it t o
economise considerably the operating
costs.
The instructions relative to the follow-
ing models are indicated in the pre-
sent manual:
–
“SOLO 20-30-40-PR 40 OF/30-40
BF”
for heating only
–
“DUETTO 20-30-40-PR 40 OFi/30-
40 BFi”
for heating and hot water
production with instant tank
“BF-BFi”
versions are boilers with airti-
ght burners. The instructions given in
this manual are provided to ensure
proper installation and perfect opera-
tion of the appliance and should be
strictly followed.
66
1
DESCRIPTION OF THE BOILER
1.2
DIMENSIONS
Fig. 1
SOLO 20 OF
SOLO 30-40-PR 40 OF/BF
DUETTO 20-30-40-PR 40 OFi/30-40 BFi
P
Depth
650
750 (
30 OF/BF
) - 850 (
40-PR 40 OF/BF
)
650 (
20 OFi
) - 750 (
30 OFi/BFi
) - 850 (
40-PR 40 OFi/BFi
)
M
C.H. flow
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)
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)
U
D.H.W. outlet
–
–
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)
“SOLO 20-30-40-PR 40 OF/DUETTO 20-30-40-PR 40 OFi” version
“SOLO 30-40 BF/DUETTO 30-40 BFi” version
Содержание DUETTO 20 OFi
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