Adjustment; Maximum; Heating; Ype Of Gas - Ariston ACO 32 RFFI SYSTEM Installation And Servicing Instructions

3.6.4 I D A
GNITION ELAY DJUSTMENT
3.6.5 A M
DJUSTING THE AXIMUM
3.6.6 S L A
OFT IGHT DJUSTMENT
3.7 C T
HANGING THE YPE OF
3.8 A H
DJUSTING THE OT
3.9 B C
ALANCING THE
H P
EATING OWER
G
AS
W F R
ATER LOW

ATE

H S
ENTRAL EATING YSTEM
The ignition delay can be adjusted to between 0 and 7 minutes. The
delay is factory set to 2 minutes.
The value set can be displayed and modified as illustrated in
paragraph 3.6.1 (parameter 3).
The maximum heating power can be adjusted between the
maximum power allowed by the boiler (22.5kW - ACO 27 and 28kW
- ACO 32) and the minimum recommended power (10kW - ACO 27
and 13kW - ACO 32) indicated in the graph (parameter 2 = 20). The
value is factory set to 70% of the maximum power.
The value set (expressed as a percentage) can be displayed and
modified as described in paragraph 3.6.1 (parameter 2) using the
graph on Page 39.
N : MTS
OTE RECOMMEND THAT THE MINIMUM POWER NOT BE SET BELOW
20%
AS INDICATED IN THE GRAPH BELOW
The soft light can be adjusted between the maximum power (shown
on the display as "00", i.e. 100%) and minimum power (shown on
the display as "01", i.e. 1%). The boiler is factory set to a value which
is suitable for ignition with any type of gas.
The value set (expressed as a percentage) can be displayed and
modified as illustrated in paragraph 3.6.1 (parameter 1).
It is not possible to convert the ACO 27 & 32 MFFI/RFF to LPG.
A specific LPG version is available as the following codes:
ACO 27 MFFI: 537061
ACO 27 RFFI: 537063
ACO 32 MFFI: 3300005
ACO 32 RFFI: 3300007
To adjust the hot water flow rate, it is necessary to first open the hot
water tap with the highest flow rate (normally the bath tap), adjust
the cold water inlet valve until the correct temperature rise is
achieved at the stated flow rate (ACO 27 MFFI - D T=35°C @ 10.8
l/min and ACO 32 MFFI - D T=35°C @ 13.1 l/min.
Alternatively, you can advise the customer to restrict the water flow
through each individual tap, by opening the tap and slowly closing it
until the water reaches the desired temperature.
To balance the central heating system it is first necessary to close
all radiator valves on the system, turn on the central heating, allow
the boiler to reach operating temperature and then starting at the
radiator furthest from the boiler, open the radiator valves until the
radiator becomes hot and move to the next radiator on the circuit,
working your way back to the radiator closest to the boiler.
.
45