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Installer level - #SYSTEM menu
Parameter
Adjustment range Description
Factory setting Customer
setting
I.TEL
(1)
ANTIFR
Boiler anti-freeze activation
ANTIFR
0/1 A
ON or OFF contact:
I.TEL
can be used as an
antifreeze activation inlet on circuit A
0/1 B
ON or OFF contact:
I.TEL
can be used as an
antifreeze activation inlet on circuit B
0/1 A+B
ON or OFF contact:
I.TEL
can be used as an
antifreeze activation inlet on circuit A+B
0/1 C
ON or OFF contact:
I.TEL
can be used as an
antifreeze activation inlet on circuit C
0/1 A+C
ON or OFF contact:
I.TEL
can be used as an
antifreeze activation inlet on circuit A+C
0/1 B+C
ON or OFF contact:
I.TEL
can be used as an
antifreeze activation inlet on circuit B+C
0/1 A+B+C
ON or OFF contact:
I.TEL
can be used as an
antifreeze activation inlet on circuit A+B+C
0/1 DHW
ON or OFF contact: Enables use of the board’s
telephone inlet as an antifreeze activation inlet on the
DHW circuit
0/1 A+DHW
ON or OFF contact: Enables use of the board’s
telephone inlet as an antifreeze activation inlet on
circuit A and DHW
0/1 B+DHW
ON or OFF contact: Enables use of the board’s
telephone inlet as an antifreeze activation inlet on
circuit
I.TEL
and DHW
0/1 A+B+DHW
ON or OFF contact: Enables use of the board’s
telephone inlet as an antifreeze activation inlet on
circuit
I.TEL
and DHW
0/1 C+DHW
ON or OFF contact: Enables use of the board’s
telephone inlet as an antifreeze activation inlet on
circuit
I.TEL
and DHW
0/1 A+C+DHW
ON or OFF contact: Enables use of the board’s
telephone inlet as an antifreeze activation inlet on
circuit
I.TEL
and DHW
0/1 B+C+DHW
ON or OFF contact: Enables use of the board’s
telephone inlet as an antifreeze activation inlet on
circuit
I.TEL
and DHW
0/1 AUX
ON or OFF contact:
I.TEL
can be used as an
antifreeze activation inlet on circuit AUX (
S.AUX
if the
AD249 option is connected or the parameter
O.PUMP
A
is set to
CIRC.AUX
)
(1) The parameter is only displayed if
INSTALLATION
is set to
EXTENDED
(2) If the pump incorporated in the boiler is used for circuit A (parameter
CIRC.A
set to
DIRECT
), the
M
A outlet is free
(3) Parameter cannot be modified
(4) The parameter is only displayed if the parameter
O.PUMP A
is set to
CIRC.AUX
or the 3-way valve PCB option is connected
Influence of the parameter setting CT.TEL on the I.TEL contact
CT.TEL I.TEL
C
contact closed
C
contact open
CLOSE ANTIFR
The antifreeze mode is active on all boiler circuits. The mode selected on the boiler is active.
0/1 A
The mode selected on the circuit is active.
The antifreeze mode is active on the circuit
concerned.
0/1 B
The mode selected on the circuit is active.
The antifreeze mode is active on the circuit
concerned.
0/1 A+B
The mode selected on the circuits is active.
The antifreeze mode is active on the circuits
concerned.
AFC 18 - AFC 24 - AFC 30
6. Commissioning
09/07/2015 - 300026439-07
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