Parameters Description; Info Menu - Beretta Ciao 25C Installer And User Manual

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4.2

Parameters description

Some of the following functions may not be available depending on the machine type and access level.

PARAMETER DESCRIPTION

004

To change the measurement unit: 0 = METRIC measurement units / 1 = not available on this model

006

To enable/disable the acoustic signal 0 = buzzer OFF / 1 = buzzer ON

To set the type of hydraulic conﬁ guration for the boiler: 0 = HEATING ONLY - 1 = INSTANTANEOUS FLOW SWITCH - 2 = INSTANTANEOUS FLOW METER

301

3 = STORAGE TANK WITH PROBE - 4 = STORAGE TANK WITH THERMOSTAT

306

To alter the minimum number of fan rotations.

307

To alter the maximum number of fan rotations.

308

To regulate slow ignition.

309

To alter the maximum number of fan rotations in heating mode.

To modify the heating output in heating mode. The factory value for this parameter is 309 but it can be programmed within the range 306 - 309.

310

For more details about the use of this parameter, refer to paragraph "3.12 Range rated".

To conﬁ gure the operation of a supplementary relay (only if board BE09 (accessory kit) is installed) in order to bring a phase (230V AC) to a second heating pump

(supplementary pump) or to a zone valve. The factory value for this parameter is 0, but it can be programmed within the range 0 - 2 with the following meaning:

311

311= 0 - control depends on the conﬁ guration of the wiring of the BE09 board (jumper cut: supplementary pump - jumper present: zone valve)

311= 1 - control of the zone valve

311= 2 - control of the supplementary pump

This parameter is used to reset the operating hours counter in certain conditions (for more details, see "3.13 Faults and reporting, fault A91).

312

The factory value for this parameter is 0. Bring the value to 1 to reset the ﬂ ue gas probe hour counter after the cleaning of the primary heat exchanger.

When the reset procedure has been completed, the parameter will return automatically to 0.

This parameter is used to activate the screed heater function (refer to paragraph "3.7 Screed heater" for more details).

409

The factory value is 0. With the boiler OFF, set the value at 1 to activate the screed heater function on the low temperature heating areas.

The parameter returns automatically to 0 when the screed heater function ends, but the function can be interrupted by manually setting the value at 0.

This parameter is used to modify the forced heating off timer with regards the delay time for re-igniting the burner if it is OFF because the heating temperature has been

410

reached. The factory value for this parameter is 3 minutes but it can be se t within a range from 0 min to 20 min.

This parameter is used to annul the HEAT TIME RESET function and REDUCED MAX. HEATING POWER TIMER, during which the fan speed is limited to a range between

411

minimum and 60% of the max. heating output set, with a 10% increase every 15 minutes. The factory value for this parameter is 0. Bring the value to 1 to reset the timers.

This parameter is used to specify the type of area to be heated. Choose from the following options:

415

0 = HIGH TEMPERATURE (factory setting)

1 = LOW TEMPERATURE

This parameter is used to specify the maximum heating setpoint value that can be set:

range 20°C - 80.5°C, default 80.5°C for high temperature systems

416

range 20°C - 45°C, default 45°C for low temperature systems

NB: the value of 416 cannot be lower than 417.

This parameter is used to specify the minimum heating setpoint value that can be set:

range 20°C - 80.5°C, default 40°C for high temperature systems

417

range 20°C - 45°C, default 20°C for low temperature systems

NB: the value of 417 cannot be higher than 416.

This parameter is used to activate temperature control when the system is connected to an external probe. With the factory value of 0, the boiler always works with a ﬁ xed

418

point. If the parameter is set at 1 and an external probe is connected, the boiler works in thermoregulation mode. If the external probe is disconnected, the boiler always

works with a ﬁ xed point. See paragraph "3.4 Setting the thermoregulation" for more details about this function.

This parameter is used to set the number of the compensation curve used by the boiler in thermoregulation mode.

The factory value for this parameter is 2.0 for high temperature systems and 0.5 for low temperature systems.

419

The parameter can be programmed within the range 1.0 - 3.0 for high temperature systems, or 0.2 - 0.8 for low temperature systems.

See paragraph "3.4 Setting the thermoregulation" for more details about this function.

This parameter activates the "night-time compensation" function. The default value is 0. Set at 1 to activate the function.

420

See paragraph "3.4 Setting the thermoregulation" for more details about this function.

432

Building type

433

External probe reactivity

508

To set the minimum DHW setpoint

509

To set the maximum DHW setpoint

Enabling of special DHW functions: 0 = no function - 1 = ﬂ ow switch/ﬂ ow meter start-up delay

511

2 = with OFF due to overtemperature in DHW mode (with request in progress), the fan is kept at the switch-on speed to reduce the waiting time on restart

3 = absolute DHW thermostats - 4 = smart anti-oscillation DHW function - 5 = all four previous functions active

4.3