Installer level - #SYSTEM menu
Parameter Adjustment range Description Factory setting Customer
setting
CIRC.A
(1)(2)
DIRECT
Use as a direct heating circuit
DIRECT
PROGRAM.
Use as an independent programmable outlet
H.TEMP
Enables operation of circuit A in summer despite manual
or automatic summer shutdown
DHW
Connection of a second domestic hot water tank
DHW ELEC
Used to control the electrical resistor according to the
timer programme on circuit A in summer mode
DISAB.
No data for circuit A is displayed
O.PUMP A
(1)(2)
CH.PUMP A
Heating pump circuit A: The MA outlet is used to control
the pump on circuit A
CH.PUMP A
CIRC.AUX
Used to resume the functions of the S.AUX parameter
without adding the PCB + sensor option (Package
AD249)
DHW LOOP
Used to control the domestic hot water looping pump
according to the DHW timer programme and force its
operation during an override
PRIMARY PUMP
The outlet MA is active if a heating demand is present
on the secondary pump
ORDER BURNER
The outlet MA is active when a burner demand is
present
FAILURE
The outlet MA is active if an fault is detected
DEF.CASC
Output MA is active if a default is present in one of the
boilers in the cascade
VM P
Output MA is active if at least one circuit of the
connected VM is in demand
CIRC.B
(1)
3WV
Connecting a circuit with 3-way valve (Example:
Underfloor heating)
3WV
SWIM.P.
Using the circuit for pool management
DIRECT
Use of circuit in direct heating circuit
CIRC.C
(1)
3WV
Connecting a circuit with 3-way valve (Example:
Underfloor heating)
3WV
SWIM.P.
Using the circuit for pool management
DIRECT
Use of circuit in direct heating circuit
P.DHW
(1)
PUMP
Use of a tank load pump on the Mr outlet
PUMP*
(3)
RV
DO NOT USE
(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 MA outlet is free
(3) This setting cannot be modified
(4) The parameter is only displayed if the parameter O.PUMP A is set to CIRC.AUX or if the 3-way valve PCB option is connected
Diematic iSystem For C 330 / C 630 ECO 5. Commissioning
31082018 - 7600691-001-06
34
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