3.3 APPLIANCE FUNCTIONING
PARAMETERS.
The following table gives boiler functioning
parameters with factory settings.
To modify the parameters reserved for the tech-
nician, an access code must be inserted, which
is supplied on request.
To insert the code:
- press the MODE and STEP keys at the same
time for 2 seconds, CODE will appear on the
display;
- press STEP and “C” will appear on the display
and successively a casual number on the last
two characters;
- change the value by acting on the + or - keys
on reaching the code;
- press the STORE key to confirm.
Settings possible for Technician and User
Parameter Description
Upper
limit value
Upper
limit value
Factory
Value
Value set by
Technician
1
DHW set value
20 °C
70 °C
20 °C
2
DHW operating mode
0 = excluded
1 = active
2 = ex continuous pump
3 = continuous pump
0
3
CH operating mode.
0 = excluded
1 = active
2 = ex continuous pump
3 = continuous pump
1
4
Maximum CH flow temperature
20 °C
85 °C
85 °C
Settings only possible by the Technician (with insertion of the access code)
10
CH minimum flow temperature
15 °C
60 °C
20 °C
11
External temperature lower limit
-30 °C
10 °C
-5 °C
12
External temperature upper limit
15 °C
25 °C
20 °C
13
Anti-freeze temperature
-30 °C
10 °C
0°C
14
External probe reading correction
-5 °C
5 °C
0°C
15
Second CH circuit maximum temperature
NOT ACTIVE
16
Second CH circuit minimum temperature
NOT ACTIVE
17
Second CH circuit hysteresis
NOT ACTIVE
18
Minimum set point value for the temperature
0 = Off
1 °C
60 °C
0
19
Booster time
0 = no booster
1 minute
30 minutes
0
20
Compensation of the flow temperatures with the
room temperature
0 °C
80 °C
0
21
Temperature increase with respect to DHW set
0
30 °C
15 °C
22
Max number of fan revs. in CH mode
(in hundreds)
17
65
59
23
Max number of fan revs. in CH mode (in units)
0
99
0
24
Max number of fan revs. in DHW mode (in units) 17
65
38
25
Max number of fan revs. in CH mode (in hun-
dreds)
0
99
0
26
Max number of fan revs. in CH mode (in units)
15
65
17
27
Min numero giri del ventilatore in riscaldamento
(in unità)
0
99
50
28
Fan speed in switch on phase (in hundreds)
21
27
Methane = 23
GPL = 26
29
Fan speed during stabilisation time (in hundreds)
18
38
20
30
Stabilisation time
0
900
06
31
CH ascent ramp
0
15
02
32
Pump post-circulation time at the end of the central
heating cycle
0 = 10 seconds
1 minuto
99 minutes
3
33
Pump post-circulation time at the end of the domestic
hot water cycle
0 seconds
300 seconds
60
34
Modulation in hysteresis in CH mode ON
0 °C
20 °C
0
35
Modulation in hysteresis in CH mode OFF
0 °C
10 °C
5
135
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