68
ES
PT
GB
1.1 INTRODUCTION
MURELLE HE
are premixed gas condensa-
tion thermal modules that employ a micro-
processor-based technology to control and
manage all the functions.
All modules are compliant with European
Directives 90/396/CE, 2004/108/CE,
2006/95/CE and 92/42/CE. For opti-
mum installation and operation, always fol-
low t he ins tr uctions pr ovided in t his
manual.
1
DESCRIPTION OF THE BOILER
10
7
12
5
6
0
ø 60/1
00
12
5
19
0
76
0
1
5
85 70 70
40
71
R
M
G
R3 M2
107
125 60
42,5
450
170
135
385
=
=
700
65
R
M
G
92,5
C
C
= =
350
S3
G
Fig. 1
FIXTURES
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)
R3 D.H.W. tank return
G 3/4” (UNI - ISO 228/1)
M2 D.H.W. tank output
G 3/4” (UNI - ISO 228/1)
S3 Condensation outlet
ø 25
C
System loading
G 1/2” (UNI - ISO 228/1)
1.2
DIMENSIONS
1.2.1
MURELLE HE 12-20-25-30-35 BFT
ATTENTION:
The
“BFT”
version is designed for the connection of a remote
boiler, to use it as a boiler
ONLY FOR HEATING
it is necessary:
- to disconnect the D.H.W. sensor (SB)
- set the PAR 2 to 4.
All modules are designed to be used by qualified technical per-
sonnel.
Summary of Contents for MURELLE HE 12 BFT
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