88
ATTENTION: Communication will occur
only with the MASTER boiler, (boiler with
PAR 15 = 0), interpreting the cascade as a
single heat capacity generator:
P
CASCADE
= P
BOILER
x No.
BOILERS
.
To install the second board, proceed as
follows:
- Remove the cover and electrically con-
nect the second RS-485 board equipped
with lid to the RS-485 board already
installed in the MASTER boiler (boiler
with
PAR 15 = 0
) with the wired connec-
tor provided in the kit.
CAUTION: Insert the wired connector
with caution.
- Set the DIP SWITCH of the new board in
MODBUS mode.
- Close the lid of the second board.
- Choose the communication configura-
tion suited to the MODBUS network
(PAR 17 INST) according to
Table PAR
17 INST
.
RS-485 connection to the INSOL/ZONA
MIX (fig. 4/e)
The RS-485 board can be connected to
optional INSOL kit code 8092254 or ZONA
MIX code 8092252. Both require the board
housing kite code 8092236.
Carry out the electrical connections as
indicated in the figure.
CAUTION: For electrically connecting
the INSOL/ZONA MIX board to the boiler
board, refer to the instruction leaflet
provided in the kit.
2.1.2
Anti-freeze function
The boilers are equipped with anti-freeze
function which activates the pumps and
the burner when the temperature of the
water contained inside the appliance drops
to below 6°C. The anti-freeze function is
ensured, however, only if:
Fig. 4/d
CN10
CN10
COMUNICAZIONE
MODBUS
MODBUS
COMMUNICATION
1
234
56
Schedino
INSOL/ZONA MIX e kit
alloggiamento scheda
Schedino
INSOL/ZONA MIX e kit
alloggiamento scheda
Cavo kit INSOL/ZONA MIX
Kit INSOL/MIX ZONE cable
Cod.6323801
Fig. 4/e
Module with 1 RS-485 board
Module with 2 RS-485 board
C
0
COMUNICAZIONE
MODBUS
MODBUS
COMMUNICATION
CONNETTORE CABLATO
(cod. 6319173)
WIRED CONNECTOR
(cod 6319173)
1
234
56
1
2
3
DIP SWITCH
GESTIONE IN MODBUS
MODBUS MANAGEMENT
1
2 3
ON
INSOL / ZONA MIX
board and kit board
housing
INSOL / ZONA MIX
board and kit board
housing
INSTALLER PARAMETER SETTING:
PAR 16
MODBUS ADDRESS
-- = Not enabled
1...31 = Slave from 1 to 31
(ATTENTION: Avoid calling the
boiler with the same number
assigned to other appliances)
PAR 17
MODBUS CONFIGURATION
-- = Not enabled
1...30 = Default value: 25
(See
Table PAR 17 INST
)
