Ariston ACO 27 MFFI Installation And Servicing Instructions - Page 33

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3.6.2

ETTINGS

ISPLAY

The boiler is designed to monitor some operating variables and

settings by means of the display on the front control panel. Keeping,

at the same time, the reset and the menu key pressed for over 10

seconds will allow access to the "readout" function of the main

system variables. By pressing the reset button repeatedly after that,

it is possible to read the following information in sequence:

Indication on the

Value read on right-hand display

left-hand display

Flow temperature of the Central Heating circuit (°C)

U U / / 1 1

Return temperature of the Central Heating circuit (°C)

U U / / 2 2

Domestic Hot Water output temperature (°C)

U U / / 3 3

Outdoor temperature (°C)*

U U / / 4 4

Exaust Fume temperature

U U / / 5 5

Fan speed (% rpm)

U U / / 6 6

Last safety shut-off (see section 3.7.)

E E

Last shutdown (see section 3.7.)

To return to the normal display, press the menu key.

The boiler will automatically retun to the normal display after no

buttons have been pressed for 2 minutes.

1: U/1 means that "U U " and "1 1 " blink alternately on the display

OTE

2: the value 100% appears as "0 0 0 0 " on the display

OTE

* = Only displated when an external sensor is fitted.