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Parameter
Description
Default
Min
Max
I14
Frost protection setpoint (°C [°F])
5.0 [41]
4.0 [39]
10.0 [50]
I15
Heating setpoint for automatic season changeover sensor (water sensor) (°C [°F]).
Used only for the following configurations:
M01
=2, 5
28.0 [82]
26.0 [79]
40.0 [104]
I16
Cooling setpoint for automatic season changeover sensor (water sensor) (°C [°F]).
Used only for the following configurations:
M01
=2, 5
17.0 [63]
10.0 [50]
25.0 [77]
I17
Minimum thermostat setpoint (°C) (constant hysteresis=2°C)
Can be used with
M07
=2,
M09
=2,
M11
=2 and when
M03
≠6 and
M05
≠6
(see
“20. Minimum thermostat” page 30
)
21.0 [70]
19.0 [66]
50.0 [122]
I18
Heating hysteresis for on/off output (K) (°C [°F])
1.0 [1.8]
0.5 [1.0]
2.0 [3.6]
I19
Cooling hysteresis for on/off output (K) (°C [°F])
1.0 [1.8]
0.5 [1.0]
2.0 [3.6]
I20
Differential between 2 stages (K) (°C [°F])
2.0 [3.6]
0 [0]
3.0 [5.4]
I21
Neutral zone for 4 pipe systems (K) (°C [°F])
0.5 [1.0]
0.5 [1.0]
5.0 [9.0]
I22
Heating proportional band (K) (°C [°F])
2.0 [3.6]
1.0 [1.8]
5.0 [9.0]
I23
Cooling proportional band (K) (°C [°F])
2.0 [3.6]
1.0 [1.8]
5.0 [9.0]
I24
Integral time (s). Parameter used to regulate the 0..10V modulating valves
If
I24
=0, integral action is excluded.
0
0
999
I25
Speed 1 activation point for 3 speed motor (%) (see ventilation function)
10
1
15
I26
Speed 2 activation point for 3 speed motor (%) (see ventilation function)
65
30
75
I27
Speed 3 activation point for 3 speed motor (%) (see ventilation function)
100
80
100
I28
Speed maintained when setpoint reached.
Maintains speed 1 without regulation depending on season.
0=fancoil stopped when setpoint reached
1=fancoil at speed 1 when setpoint reached in heating/cooling modes
2=fancoil at speed 1 when setpoint reached in cooling mode only
3=fancoil at speed 1 when setpoint reached in heating mode only
4=fancoil at manual speed selected when setpoint reached in heating/cooling modes
5=fancoil at manual speed selected when setpoint reached in cooling mode only
6=fancoil at manual speed selected when setpoint reached in heating mode only
0
0
6
I29
Minimum EC motor starting voltage (see ventilation function)
1.0
0
I30
I30
Maximum voltage applicable to EC motor (see ventilation function)
8.0
I29
10.0
I31
Starting point of EC motor in regulation (% valve regulation).
Enables the EC motor to be started only if the minimum opening percentage set in
I31
has been reached by the valve (see ventilation function)
10
0
100
I32
Speed 1 of EC motor (% of range
I30
-
I29
)
0%=
I29
setting
100%=
I30
setting (see ventilation function)
10
0
15
I33
Speed 2 of EC motor (% of range
I30
-
I29
)
0%=
I29
setting
100%=
I30
setting (see ventilation function)
65
30
75
I34
Speed 3 of EC motor (% of range
I30
-
I29
)
0%=
I29
setting
100%=
I30
setting (see ventilation function)
100
80
100
I35
Delay on ventilation deactivation (s) (only considered if electric resistance is active)
Determines the minimum fan run time following deactivation of the electric resistance
to prevent the resistance itself overheating.
30
0
600
I36
Fan start delay after valve opening (s)
Prevent irritating ventilation (too cold in the winter or hot in the summer) and allows the
coil to heat or cool enough before starting the fan.
0
10
600
I37
Fan boost
Defines the fan start during regulation
0=Fan starts at set speed
1=Fan starts at maximum speed for 1 s and then goes to set speed
1
0
1
I38
Air destratification function
Determines whether to start the fan at minimum speed if regulation is not active to
prevent stratifying the air when the regulation sensor is mounted on the fancoil return.
0=OFF
1=ON in heating and cooling
2=ON in heating only
3=ON in cooling only
1
0
3
I39
Fan start time during destratification cycle (minutes)
1
1
5
