FL LOW NOX 24 MCS
Contents Description
Range
0=External gas valve
Relay card LC32
1=System filling solenoid valve
operation selection (b02=1)
2=Solar 3-way valve
No effect on adjustment
b05
(b02=2)
No effect on adjustment
(b02=3)
No effect on adjustment
(b02=4)
0=50Hz
b06
Mains Voltage Frequency
1=60Hz
Comfort burner on time
0-20 seconds
(b02=1)
No effect on adjustment
(b02=2)
b07
No effect on adjustment
(b02=3)
No effect on adjustment
(b02=4)
Notes:
1.
Parameters with more than one description vary their function and/or range in rela-
tion to the setting of the parameter given in brackets.
2.
Parameters with more than one description are reset to the default value if the pa-
rameter given in brackets is modified.
To exit the configuration Menu press the DHW buttons together for 10 seconds, or exiting
occurs automatically after 2 minutes.
Service menu
The card Service Menu is accessed by pressing the Reset button for 20 seconds. 4 sub-
menus are available: press the Heating buttons to select, in increasing or decreasing or-
der, "tS", "In", "Hi" or "rE". "tS" means Transparent Parameters Menu, "In" means
Information Menu, "Hi" means History Menu: after selecting the submenu, press the Re-
set button again to access it; "rE" means History Menu Reset: see description.
"tS" - Transparent Parameters Menu
16 parameters indicated by the letter "P" are available: which are also modifiable from
Remote Timer Control.
Press the Heating buttons to scroll the list of parameters in increasing or decreasing or-
der. Press the DHW buttons to view or modify the value of a parameter: the modification
will be automatically saved.
Contents Description
Range
P01
Ignition ramp Offset
0-40
P02
Heating ramp
1-20°C/minute
P03
Heating standby time
0-10 minutes
P04
Heating Post-Circulation
0-20 minutes
P05
Heating user max. setpoint
31-85°C
P06
Max. power in heating
0-100%
0=Fixed
1=Linked to set point
Burner shutdown in hot water
2=Solar (5)
production (b02=1)
3=Solar (10)
4=Solar (20)
0=Fixed
1=Linked to set point
P07
Burner shutdown in hot water
2=Solar (5)
production (b02=2)
3=Solar (10)
4=Solar (20)
Hot water tank hysteresis
0-4°C
(b02=3)
Hot water tank hysteresis
0-4°C
(b02=4)
DHW standby time (b02=1)
0-60 seconds
DHW standby time (b02=2)
0-60 seconds
P08
DHW standby time (b02=3)
0-60 seconds
DHW standby time (b02=4)
0-60 seconds
DHW user max. set point
50-65°C
(b02=1)
DHW user max. set point
50-65°C
(b02=2)
P09
DHW user max. set point
50-65°C
(b02=3)
DHW user max. set point
50-65°C
(b02=4)
Default
FL LOW NOX 24 MCS
0=External
0=External gas valve
gas valve
--
0
--
0
--
0
0=50Hz
0=50Hz
5 seconds
5 seconds
--
5
--
5
--
5
Default
FL LOW NOX 24 MCS
10
10
5°C/minute
5°C/minute
2 minutes
2 minutes
6 minutes
6 minutes
80°C
80°C
100%
100%
0=Fixed
0=Fixed
0=Fixed
2°C
2°C
30 seconds
60 seconds
60 seconds
30 seconds
30 seconds
50°C
55°C
55°C
65°C
65°C
cod. 3541D110 - Rev. 02 - 03/2018
Contents Description
Range
Anti-inertia function tempera-
70-85°C
ture (b02=1)
No effect on adjustment
--
(b02=2)
P10
Delivery temperature in hot
70-85°C
water production (b02=3)
Delivery temperature in hot
70-85°C
water production (b02=4)
Anti-inertia function Post-Cir-
0-5 Seconds
culation (b02=1)
DHW Post-Circulation
0-60 Seconds
(b02=2)
P11
DHW Post-Circulation
0-60 Seconds
(b02=3)
DHW Post-Circulation
0-60 Seconds
(b02=4)
P12
Max. power in DHW
0-100%
P13
Absolute min. power
0-100%
0=Default
P14
Post-Ventilation
1=50 seconds
0 (Minimum)
CO2 limit Offset (b03=0)
30 (Maximum)
No effect on adjustment
--
(b03=1)
No effect on adjustment
--
(b03=2)
P15
0 (Minimum)
CO2 limit Offset (b03=3)
30 (Maximum)
0 (Minimum)
CO2 limit Offset (b03=4)
30 (Maximum)
No effect on adjustment
--
(b03=5)
0=No F43
Exchanger protection activa-
P16
tion
1-15=1-15°C/second
Notes:
1.
Parameters with more than one description vary their function and/or range in rela-
tion to the setting of the parameter given in brackets.
2.
Parameters with more than one description are reset to the default value if the pa-
rameter given in brackets is modified.
3.
The Maximum Heating Power parameter can also be modified in Test Mode.
Press the Reset button to return to the Service Menu. Press the Reset button for 20 sec-
onds to exit the card Service Menu, or exiting occurs automatically after 15 minutes.
"In" - Information Menu
7 pieces of information are available.
Press the Heating buttons to scroll the list of information in increasing or decreasing or-
der. Press the DHW buttons to display the value.
Con-
Description
tents
t01
NTC Heating sensor (°C)
t02
NTC Safety sensor (°C)
t03
NTC DHW sensor (°C)
t04
NTC External sensor (°C)
L05
Actual burner power (%)
F06
Actual Flame resistance (Ohm)
St07
Fan step (Number)
Notes:
1.
In case of damaged sensor, the card displays hyphens.
Press the Reset button to return to the Service Menu. Press the Reset button for 20 sec-
onds to exit the card Service Menu or exiting occurs automatically after 15 minutes.
"Hi" - History Menu
The card can store the last 11 faults: the History datum item H1: represents the most re-
cent fault that occurred; the History datum item H10: represents the least recent fault that
occurred.
The codes of the faults saved are also displayed in the corresponding menu of the Re-
mote Timer Control.
Press the Heating buttons to scroll the list of faults in increasing or decreasing order.
Press the DHW buttons to display the value.
Press the Reset button to return to the Service Menu. Press the Reset button for 20 sec-
onds to exit the card Service Menu, or exiting occurs automatically after 15 minutes.
"rE" - History Reset
Press the Eco/Comfort button for 3 seconds to delete all the faults stored in the History
Menu: the card will automatically exit the Service Menu, in order to confirm the operation.
Press the Reset button for 20 seconds to exit the card Service Menu, or exiting occurs
automatically after 15 minutes.
Default
FL LOW NOX 24 MCS
70°C
0
0
80°C
80°C
0 seconds
30 seconds
30 seconds
30 seconds
30 seconds
100%
100%
0%
0%
0=Default
0=Default
20
20
20
20
20
20
20
10°C/second
10°C/second
Range
between 05 and 125 °C
between 05 and 125 °C
between 05 and 125 °C
between -30 and 70°C (negative values flash)
00%=Min., 100%=Max.
00-99 Ohm (-- = burner off)
0=Off, 1=Min, 2=Med, 3=Max
EN
17