75
ES
PT
GB
1
2
3
4
25
15
8
24
7
11
17
13
16
14
20
19
22
23
12
28
29
30
27
26
31
21
U
E
G
M
R
C
1.4
FUNCTIONAL DIAGRAM
Fig. 2
“25-30 OF/25-30-35 BF” models
“20-25 BFT/25 OFT” models
23
9
4
3
2
1
7
24
8
12
11
17
13
19
6
16
14
20
22
21
18
5
15
U
E
G
M
R
KEY
1
Fan (
BF - BFT
model)
2
Primary exchanger
3
Combustion chamber
4
Gas valve
5
D-H.W. exchanger with plates
6
Pressure switch valve with loading
7
C.H. sensor (SM)
8
Safety thermostat
9
D.H.W. sensor (SS)
11
Circulator with air release vent
12
Expansion vessel
13
3 BAR safety valve
14
Boiler discharge
15
Water flow meter
16
Water pressure transducer
17
Automatic bypass
18
D.H.W. filter
19
C.H. return cock (optional)
20
C.H. flow cock (optional)
21
D.H.W. cock (optional)
22
Gas cock (optional)
23
Connection plate (optional)
24
Aqua Guard Filter System
25
Motorised deviator valve
26
Filler group (optional)
27
D.H.W. storage tank BT 100 (optional)
28
Boiler discharge (optional)
29
D.H.W. sensor (SB)
30
D.H.W. expansion vessel 4 litre (optional)
31
D-H.W. safety valve 7 BAR (optional)
CONNECTIONS
U D.H.W. outlet
E D.H.W. inlet
G Gas connection
M C.H. flow
R C.H. return
C System loading
Содержание Murelle 20 BFT
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