IN THIS CONFIGURATION, THE BOILER
SATISFIES 2 HIGH T. HEATING AREAS, 2
LOW T. HEATING AREAS WITH FIXED POINT
AND THE DOMESTIC HOT WATER VIA ONE
PUFFER AND 4 CIRCULATORS. MOREOVER,
THE PUFFER IS INTEGRATE WITH AN SOLAR
KIT AND, IF NECESSARY, BY AN AUXILIARY
BOILER.
- Connect the room thermostats to the
system expansion board inputs and power
the corresponding circulators via the relative
outputs.
- Connect the domestic hot water probe to input
I5 - GND of the system expansion board.
- Connect the upper pu er probe I6 - GND and
lower pu er probe I7 - GND to the inputs of the
system expansion board.
- Connect clamp OC+- of the system expansion
board to the boiler via AUX clamp. Pay attention
to the polarity of the cables! (red = +, black = -).
- Power the system expansion board (F-N).
- Use the boiler display to set parameter
PH11=OFF to ACCUMULATION mode and PH12
to ON in the installer menu
- Use the boiler display to set parameter
PH13=1 (active Z4)
NOTE: SINCE VERSION V6 Z4, IT IS ALREADY
ENABLED BY FACTORY
With domestic hot water and pu er satis ed, the
boiler switches o . For the electric connection
of the solar control unit, consult the " solar kit
manual".
THE LAYOUTS GIVEN IN THIS MANUAL ARE INDICATIVE AND NOT COMPLETE OF ALL COMPULSORY SAFETY DEVICES ENVISIONED BY LAWS AND STANDARDS IN FORCE.
THE COMPANY RESERVES THE RIGHT TO MAKE MODIFICATIONS TO THIS DOCUMENT AT ANY TIME WITHOUT FOREWARNING IN ORDER TO IMPROVE PERFORMANCE OF ITS PRODUCTS.
230V/50Hz
N
Temp. Sensor
Pt1000
S1 S2 S3 S4
1 2 3 4 5 6 7 8
12 13 14
CA
AUX
N
R2
N
R1
N L
15 16 17 18 19 20
71