Ariston ACO 27 MFFI Istruzioni per l'installazione e la manutenzione - Pagina 31

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. 3.20

. 3.21

. 3.25

. 3.26

100

-20

+20

ETTING THE

Using the programming keys

following adjustments:

"0 0 0 0 " signifies that the flow temperature (which may be set by

means of the knob on the front control panel) may be

regulated from 20 to 75°C.

"0 0 1 1 " signifies that the flow temperature (which also may be set by

means of the knob on the front control panel) may be

regulated from 42 to 82 °C.

EMPERATURE REGULATION CONTROLLED BY THE

EXTERNAL SENSOR

(Only enabled when the outdoor sensor is installed)

By pressing the

adjustments:

"9 9 0 0 " Temperature regulation controlled by the external sensor is

inactive (not installed).

"9 9 1 1 " Temperature regulation controlled by the external sensor is

active (installed).

Adapting the heat curve " P P 6 6 "

(Only enabled when an outdoor sensor is installed)

To adapt the heat curve to the system requirements, set

parameter "P 6" in order to shift the curve in parallel, so that

the flow temperature calculated is changed, along with the

ambient temperature.

When "P 6" appears on the left-hand display, use the

heating control knob to shift the curve in parallel as

illustrated in the figure below. The shift value can be read

on the right-hand display, from -20 to +20.

External temperature (°C)

r r

EMPERATURE

IELD

and

it is possible to make the

P P

and

it is possible to make the following

-20

+20

-20