Instruction Manual
29
P13
Δ T for pump with PWM
signal
5 ÷ 25 C
6
Parameter is visible
when P12=1 and P15=0
and P07=1
P14
Min pump flow
15 ÷ 99%
50
Parameter is visible for
P12=1 and P07=1
P15
ECO mode
0/1 (1–ON,0–OFF)
0
Parameter is visible for
P12=1 and P07=1
P16
Time period during oper
-
ation in CH mode when
boiler power is reduced
between 0 and 25% (pow-
er range is set by P17)
0 ÷ 5min
0
P17
Reduced power range
during operation in CH
mode during time defined
in parameter P16
0÷ 25%
10
Parameter is visible
when P16 > 0
P18
Max speed limit for
modulating pump in CH
Mode
25 ÷ 99%
99
Parameter is visible
when P12=1
P19
Max speed limit for
modulating pump in DHW
mode (if P6=1)
25 ÷ 99%
99
Parameter is visible
when P12=1 and P6=1
P20
Hysteresis for the con-
dition of switching off at
work in CH circuit
0÷ 10
5
P21
CH temperature during
heating the DHW in tank
(if P6=1)
70÷ 89
75
Parameter is visible
when P6=1
P22
Heating curve shift for
weather function
0÷ 20
0
Parameter visible for
P26=1 or 2
P23
fan type selection
0 1(0–FIME, HONEYWELL FPE4200A; 1–
SITNG40)
1
P24
Operating time at the start
power in CH circuit after
flame detection
2 ÷ 30 sec
20
P25
L3 pump overrun time
1 ÷ 60 min
3
P26
Operating mode of the
weather function
0÷ 3 (0-off, 1 operation with room thermo-
stat, 2-operation without room thermostat,
3-operation with room thermostat without
possilibity of weather function deactivation
via room thermostat
1
P27
Outdoor temperature for
activate CH
10 ÷ 21 ºC Outdoor temperature value below
which CH is activated when the weather
function operates in mode 2
18
Parameter visible for
P26=2
P28
Nighttime water tempera-
ture decrease
0 ÷ 20 ºC Value by which the CH water
temperature will be decreased when the
weather function operates in mode 2 and the
controller’s
RT input is open
5
Parameter visible for
P26=2
P29
Limit value for setpoint
temperature of central
heating or maximum flow
temperature (Tmax) for
weather function
40 ÷ 80 °C (for P08=0)
25 ÷ 55 °C (for P08=1)
Upper range for setpoint temperature of cen-
tral heating water, which can be set by means
of buttons, and limitation of central heating
water temperature value (Tmax) resulting
from the heating curve
85
Parameter visible for
P26=1 or 2
