10
entry symbol
entry functions
S
• boiler in a stand-alone mode or master boiler in cascade mode - connection
only for internet module C.MI2.
• slave boilers in cascade mode - connection to the master boiler.
M
connection of heating modules and boilers in slave mode.
C.MI2
EKCO.M3
M
S
A
B
A
B
A
B
EKCO.S3
A
B
S
Connecting external devices via communication bus
M.SUPPLY
PUMP.C
TWV
PUMP
L
N
PE
L
N
PE LB LA
N
L
N
PE
PUMP
O G I
FN
MA
RT Tcyl
Tos
Tr
M
S
A
B
A
B
Communication bus RS485
EKCO.M3
M
S
A
B
A
B
A
B
A
B
C.MG3
C.MG3
Heating module C.MG3
Internet module C.MI2
EKCO.M3
M
S
A
B
A
B
Slave boilers EKCO.S3 in cascade mode
EKCO.S3
A
B
S
EKCO.M3
M
S
A
B
A
B
C.MI2
A
B
A
B
C.MG3
EKCO.S3
A
B
S
Internet module C.MI2, heating module
C.MG3, slave boiler EKCO.S3 in cascade
mode
Note, each device connected to the communication bus must have a unique identification
number set.
Summary of Contents for EKCO.M3
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