37
left display
right display
function
factory setting
1
1
from
0
0
to
9
9
9
9
Soft light
as % of maximum Heating Power (NG)
6
60
0
(ACO 27 MFFI - RFFI )
4
43
3
(ACO 32 MFFI - RFFI )
2
2
from
0
0
to
9
9
9
9
Maximum Heating Power (%)
5
55
5
(ACO 27 MFFI - RFFI SYSTEM)
5
52
2
(ACO 32 MFFI - RFFI SYSTEM)
3
3
from
0
0
to
7
7
Ignition delay (minutes)
0
02
2
4
4
Central heating minimum temperature
4
46
6
5
5
Central heating maximum temperature
8
82
2
6
6
P
D
T rpm (Check of the temperature
difference between the flow and return
sensors for twelve seconds on initial
start-up -
D
O
N
OT
A
DJUST
)
4
45
5
tt
from
S
S
0
0
to
S
S
1
1
NOT USED
S
S0
0
F
F
from
O
O
0
0
to
0
0
2
2
Boiler types
0
00
0
- ACO 27 /32 MFFI (COMBI)
0
02
2
- ACO 27/32 RFFI (SYSTEM)
e
e
from
0
0
0
0
to
0
0
3
3
Secondary outlet function
0
00
0
p
p
from
0
0
1
1
to
1
1
5
5
or
C
C
O
O
Pump overrun (Central Heating - mins)
0
02
2
c
c
from
0
0
0
0
to
0
0
1
1
Comfort function
(only model MFFI)
0
01
1
p
p
from
U
U
0
0
to
U
U
1
1
Pump speed adjustment (modulating or
single speed)
U
U1
1
3.6.
O
PERATING
P
ARAMETERS
The boiler has been designed to allow easy use of the operating
parameters.
3.6.1
R
EGULATION
M
ENU
T
ABLE
Summary of the functions accessed when the RESET button
and the menu button are pushed at the same time for
5 seconds.
On the display will appear the parameters indicated on table 3A.
To switch between the different parameters press the
button.
To modify the parameters push the programming keys and .
Fig. 3.10
T
ABLE
. 3A
Summary of Contents for ACO 27 MFFI
Page 49: ...49 WIRING DIAGRAM FOR CONNECTION TO AN ARISTON UNVENTED CYLINDER DIAGRAM A ...
Page 50: ...50 WIRING DIAGRAM FOR CONNECTION TO AN OPEN VENTED CYLINDER DIAGRAM B ...
Page 57: ...57 FIG 7 19 FIG 7 20 FIG 7 21 FIG 7 22 FIG 7 23 FIG 7 24 O P FIG 7 18 ...
Page 69: ...69 Model 27 32 RFFI SYSTEM ...
Page 70: ...70 ...
Page 71: ...71 ...
Page 77: ...77 ...
Page 78: ...78 11 BENCHMARK COMMISSIONING CHECKLIST ...
Page 79: ...79 12 SERVICE INTERVAL RECORD ...
