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Idiomas disponibles
ENERGY TOP W 60/70/80/125
External probe (optional)
Connect the probe to the respective terminals. The maximum permissible length of the
electric cable connecting the boiler - external probe is 50 m. A common 2-wire cable can
be used. The external probe should preferably be installed on the North, North-West wall
or on the wall facing most of the main living-room. The probe must never be exposed to
the early morning sun, and in general (as far as possible) it should not be exposed to
direct sunlight; protect it if necessary. In any case, the probe must not be installed near
windows, doors, vents, flues or heat sources that could affect the reading.
fig. 26 - Inadvisable positioning of external probe
Accessing the electrical terminal block
The electrical terminal block can be accessed after removing the front panel. Make the
electrical connections as shown in the wiring diagram in fig. 46 .
1
4
5
6
7
8
9 1 0 1 1 1 2 1 3
(
( )
300
301
32
302
1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7
72
299
138
298
139
fig. 27 - Electrical terminal block
32
Circulating pump (not supplied)
72
Room thermostat (not supplied)
72b
Room thermostat (not supplied)
95
Diverter valve (not supplied)
A = Heating phase
B = DHW phase
C = Neutral
NOTE: For valves with 2 wires and spring return, use the connections B and C
130
DHW circulating pump (not supplied)
138
External probe (not supplied)
139
Remote timer control (not supplied)
155
Hot water tank temperature probe (not supplied)
256
Modulating heating circulating pump signal
298
Cascade temperature sensor (not supplied)
299
Input 0-10 Vdc
300
Burner lit contact (voltage-free contact)
301
Fault contact (voltage-free contact)
302
Remote reset input (230 Volt)
306
Heating system circulating pump (not supplied)
307
Heating system second circulating pump (not supplied)
306
1 4 1 5
130/307
)
A B
C
95
2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5
72B
155
cod. 3541H150 - Rev. 03 - 04/2018
B
The output relay of the heating circulating pump (32) has a capacity of
8A@230Vac.
The output relays of the diverter valve (95) have a capacity of 5A@230Vac.
In case of loads with higher absorption, supporting relays with respective addi-
tional protection must be installed.
For the connection in cascade
Note: The boiler's electronics can manage up to 6 modules.
1.
Connect the modules as shown in fig. 28 (example with 4 modules)
A
28 29 30 31 32 33
34 35
A
13 14 15
A
1st Module
B
2nd Module
C
3rd Module
D
4th Module
2.
Carry out all the electrical connections (terminals 4 to 27) on module no. 1
3.
On the remaining modules, only connect the power supply and possible contacts
for: burner lit (300), fault contact (301) and remote reset input (302).
4.
Switch on the power to the entire cascade
5.
After the "FH" procedure, check correct operation of the cascade:
•
Module 1: arrow symbol at top left of the display
•
Module 2: arrow symbol at bottom right of the display
•
Module 3: arrow symbol at bottom right of the display
•
Module 4: arrow symbol at top right of the display
If this does not occur, disconnect the power and check the wiring in fig. 28.
Settings
All adjustments must be made on all the modules.
Possible faults
If the electrical connection of a module is disconnected for any reason, module 1 will ac-
tivate fault F70.
If the electrical connection of a module is disconnected for any reason, the next module
will activate fault F71.
OUT
GND
256
B
C
28 29 30 31 32 33 34 35 28 29 30 31 32 33 34 35 28 29 30 31 32 33 34 35
B
13 14 15
13 14 15
fig. 28 - Connection in cascade
EN
D
C
D
13 14 15
5
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