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10.3 CASCADE FLUES
This type of duct evacuates the products of combustion of more than one boiler in a cascade connection through a shared fumes
diameters available are: Ø160 mm and double diameter Ø160/250 mm. A range of accessories is available on request.
TABLE 1B
MAXIMUM NUMBER OF BOILERS
IN CASCADE CONNECTION
BOILER
MODEL
Ø 160 mm
1.115 - 1.130
2
1.150
2
11. ELECTRICAL CONNECTIONS
regulations. Connect the boiler to a 230V single-phase earthed power supply using the supplied three-pin cable, observing correct
Live-Neutral polarity.
and access terminal blocks
blowing fuses are incorporated in the power supply terminal block (to check and/or replace the fuse, pull out the black fuse carrier).
SEE WIRING DIAGRAM IN ANNEX "SECTION" B AT THE END OF THIS MANUAL
TERMINAL BLOCK M1
(brown)
(L)
(N)
Neutral (light blue).
Earth (yellow-green).
(1) (2)
Room Thermostat.
Put back the jumper on terminals 1-2 of boiler terminal block
TERMINAL BLOCK M2
Remote Control (low voltage) supplied as an accessory.
an accessory)
plant, cascade system, etc.).
plant, cascade system, etc.).
storage boiler sensor connection.
not used.
PARAMETER P60
Revs/min (rpm) at
minimum Power
Ø 160/250 mm
G20
4
1850
4
1850
, used for the electrical connections, after removing the protective cover. The 3.15 A fast-
connection to the
External Probe connection (supplied as
2nd Auxiliary Probe (probes for solar
1st Auxiliary Probe (probes for solar
G31
2000
2000
2
cable with a maximum diameter of 8 mm.
1
1
2
2
M2
M2
3
3
4
4
5
5
6
6
7
7
8
8
M1
M1
2
2
1
1
N
N
L
L
M3
M3
1
1
2
2
3
3
4
4
5
5
6
6
33
9
9
10
10
CG_2230
CG_2230
7
7
8
8
9
9
10
10
11
11
12
12
7690785.01 (1-05/18)
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