10
230V
50 Hz
RL
RL
TC
1
14
b
EI
CR
1
36
35
34
C
15
N
L
CB
17
RL
13
12
11
TRB
19
a
2
3
1
2
20
FU
18
21
24
10
9
5
22
TA
OP
23
25
16
26
2
1
B
3
4
5
8
7
4
TS
TRC
31
3032
29
TLB
28
27
6
6
38
e
7
EI
M
2
4
37
= REMOVE THE LINK WHEN TA IS INSTALLED
4.02 Connection to the water main
Connect the appliance to the water main in compliance with the indications near each fitting and those
listed in fig. 2 of this handbook. Connections must be made so that the pipes are free from tensions.
It is essential to mount the safety valve on the heating circuit and on the sanitary circuit, using the
relative fittings in the boiler. Valve settings must be 3 bar for the heating circuit and 6 bar for the sanitary
circuit. It is advisable to mount manual on-off valves between the boiler and the two heating and
sanitary systems in order to isolate the boiler from the two systems when necessary.
NOTE: The boiler is supplied without expansion tank.
Installation of this latter therefore be at the user’s charge. Remember that the pressure in the system
when cold must be between 0,5 and 1 bar.
TRC = THERMOSTAT CONTROL BOILER
TC = THERMOSTAT CIRCULATING PUMP
CR = CIRCULATING
TS = SAFETY THERMOSTAT
B=BURNER
OP = PROGRAMMER CLOCK (OPTIONAL)
S=DIAGRAM
TRB = THERMOSTAT BOILER
CB = CIRCULATING PUMP
TA = ROOM THERMOSTAT (NOT SUPPLIED)
EI = SUMMER-OFFWINTER SELECTOR
FU = FUSIBLE 5A
TLB = BOILER LIMIT THERMOSTAT
ELECTRIC DIAGRAM
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