Ariston ACO 32 MFFI Instrukcje instalacji i serwisowania - Strona 30

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. 3.16

. 3.17

. 3.18

. 3.19

Boiler types

F F

Factory setting:

00 - ACO 27 / 32 MFFI (C.H. + D.H.W.)

02 - ACO 27 / 32 RFFI SYSTEM (C.H. only)

HIS PARAMETER MUST NEVER BE ADJUSTED

Secondary outlet Function E E

(This parameter can be modified only with the

interface PCB connected)

With the interfa ce PCB connected, it is possible to set the boiler

to operate with one of the following accessories, (see Section

2.10 for further information). The setting can be varied by

pushing the

and

keys, the following options are available:

0 0 0 0

zone valve - factory setting

0 0 1 1

LPG valve

0 0 2 2

seconday pump

0 0 3 3

NOT USED

UMP

VERRUN

The pump overrun may be varied (after the burner has been turned

off) by pressing the programming keys

The following modes are available:

0 0 1 1

1 minute of pump overrun

0 0 3 3

3 minutes of pump overrun - factoy setting

0 0 6 6

6 minutes of pump overrun

0 0 9 9

9 minutes of pump overrun

1 1 2 2

12 minutes of pump overrun

1 1 5 5

15 minutes of pump overrun

C C O O

Continuous pump overrun

Comfort Function (MFFI model) C C

The boiler allows the convenience level to be increased in the output

of domestic hot water by means of the "COMFORT" function. This

function keeps the secondary exchanger warm during the periods in

which the boiler is inactive, thereby allowing the initial water drawn to

be at a higher temperature.

The function may be activated by pressing the COMFORT button

key on the control panel (see section 3.3.). When the function is

active, a yellow light "K" comes on, again located on the control

panel.

The comfort function can be activated or deactivated by pressing

the

and

keys

0 0 0 0 Comfort function deactvated

0 0 1 1 Comfort function active for 30 minutes - factory setting.

It is possible to deactivate the comfort function by pressing the

button

The yellow LED "K" will go out.

: During the overrun period of the pump, the "COMFORT"

OTE

function, if selected, is temporarily deactivated. The L.E.D. light

remains on to indicate that the boiler will return to the "COMFORT"

mode once the pump overrun has finished.

Pump Speed Adjustment P P

By pressing the

and

operation of the pump, the two options are as follows:

U U 0 0 - Single Speed Pump

U U 1 1 - Modulating Pump - factory setting

P P

and

keys it is possible to adust the