1.4
FUNCTIONAL DIAGRAM (fig. 2)
MURELLE HM 25-30-35
MURELLE HM 25 T - 35 T
82
KEY
1
Fan
2
Limit thermostat
3
Primary exchanger
4
Gas valve
5
D.H.W. exchanger
6
Aqua Guard Filter System
7
C.H. flow sensor (SM)
8
Safety thermostat 100°C
9
Diverter valve
10
Pump with air release vent
11
C.H return sensor (SR)
12
D.H.W. sensor (SS)
13
D.H.W. flowmeter
14
Hot water inlet filter
15
Loading
16
3 BAR safety valve
17
Pressure transducer
19
Boiler discharge
20
Expansion vessel
21
Condensate drain tap
23
D.H.W. cock (optional)
24
Gas cock (optional)
25
C.H. flow cock (optional)
26
C.H. return cock (optional)
27
Boiler discharge faucet (optional)
28
D.H.W. expansion vessel (optional)
29
D.H.W. safety valve 7 BAR (optional)
30
D.H.W. storage tank (optional)
31
D.H.W. sensor (SB)
CONNECTIONS
R
C.H. return
M
C.H. flow
G
Gas connection
E
D.H.W. inlet
U
D.H.W. outlet
S3
Condensation outlet
Fig. 2