Preferred indication
Differential to switch the water circulation pump on
Differential to switch the water circulation pump off
Minimum temperature in S1 to activate the pump
Instrument energization delay
Negative differential (T1-T2) to switch the pump
on to dissipate heat
Minimum temperature at S2 to allow heat
dissipation activation
Antifreeze temperature (S1) to switch* the
pump on
Antifreeze hysteresis
Minimum antifreeze time
Superheating temperature (S1) to switch* the
pump off - Ht1
Superheating temperature hysteresis * (S1) to
restart the pump
Superheating temperature (S2) to switch* the
pump off - Ht2
Superheating temperature hysteresis * (S2) to
restart the pump
Backup 1 operating mode
Backup 1 temperature setpoint
Backup 1 operation hysteresis
Min. setpoint allowed to the end user (backup 1)
Max. setpoint allowed to the end user (backup 1)
Backup 1 manual activation time
Backup 2 operating mode
Backup 2 temperature setpoint
Backup 2 operation hysteresis
Min. setpoint allowed to the end user (backup 2)
Max. setpoint allowed to the end user (backup 2)
Backup 2 manual activation time
Cyclical timer on time / Scan Time*
(Recirculation)
Cyclical timer off time / Interval* between scans
Event schedule linking mode
Temperature to switch off the cooling in* vacation
mode (S3)
Output of backup 1 associated to the antifreeze
(S1)
Indication offset for sensor 1
Indication offset for sensor 2
Indication offset for sensor 3
Linking of sensor S3 to the pump automatic*
mode
Maximum time the backup 1 output remains on
without* reaching the setpoint
Thermostat output off time in state of alarm for
not reaching the setpoint
Digital input operating mode
Pump output enable
Backup on only when the pump is off
Functions lock mode
Time for functions lock
Control functions shutdown
Address of the instrument in the RS-485 network
[,F01]
[,F02]
[,F03]
[,F04]
[,F05]
[,F06]
[,F07]
[,F08]
[,F09]
[,F10]
[,F11]
[,F12]
[,F13]
[,F14]
[,F15]
[,F16]
[,f17]
[,f18]
[,F19]
[,F20]
[,F21]
[,F22]
[,F23]
[,F24]
[,F25]
[,F26]
[,F27]
[,F28]
[,F29]
[,F30]
[,F31]
[,F32]
[,F33]
[,F34]
[,F35]
[,F36]
[,F37]
[,F38]
[,F39]
[,F40]
[,F41]
[,F42]
[,F43]
[,F44]
DescriptionFun
Mín
Máx
Unit
CELSIUS (°C)
FAHRENHEIT (°F)
Mín
Máx
Unit
Standard
Standard
t1
1.0
1.0
-50(off)
0(no)
-40.0
0.0
-18(off)
0.1
0
0.0
0.1
0.0
0.1
0
-50.00
0.1
-50.00
-50.00
0(no)
0
-50.00
0.1
-50.00
-50.00
0(no)
0(no)
0(no)
0
-50.00
0ff
-5.0
-5.0
-5.0
no
0(no)
1
0(off)
0ff
0(no)
0
15
0(no)
1
10.6 Parameter Table
10.7 Description of the Parameters
F01 - Preferred indication:
This function allows configuring the default temperature indication.
The options are:
[T-1,]Displays the temperature of sensor 1
[T-2,]Displays the temperature of sensor 2
[T-3,]Displays the temperature of sensor 3
[dif,]Displays the differential temperature (T1-T2)
[Hour]Displays the time
F02 - Differential (T1-T2) to switch the pump on:
As the solar panels receive energy, the temperature in sensor 1 increases. When this temperature is at
an ascertainable value above the temperature of sensor 2, the pump is switched on and circulates the
heated water down, storing it in the tank for example.
F03 - Differential (T1-T2) to switch the pump off:
Allows configuring the temperature difference in degrees between sensor 1 and sensor 2 for
MICROSOL II e plus to switch on the water circulation pump.
Exemple:
[,F02]= 8.0
[,F03]= 4.0
When sensor 1 (panel) is at 35° C and sensor 2 (tank or pool) is at 23° C, the difference will be 12º C.
Thus the circulation pump will be on (35-23 = 12 greater than 8). With the pump on, the warm water
circulates down and the cold water circulates up. Thus the temperature difference between 1 and 2
decreases. Thus, when the difference between sensor 1 and sensor 2 reaches 4º C (function F02), the
circulation pump will be switched off (35-31 = 4).
IMPORTANT: The value adjusted in function [,F02] must be higher than the value adjusted in
function [,F03]. Therefore MICROSOL II e plus does not allow making invalid adjustments in
order to ensure its perfect operation.
Ex.: Current configuration:
[,F02]: 10.0°C
[,F03]: 5.0°C
You want to change it to:
[,F02]: 4.0°C
[,F03]: 2.0°C
First adjust [,F03] to 2.0°C and then adjust[,F02] to 4.0°C.
F04 - Minimum temperature in S1 to activate the pump:
Prevents the pump from being turned on when the temperature of the panel (collector) is below the
desired temperature, thus preventing warm or cold water from circulating through the system, which
would cause higher power consumption.
Exemple: If the panels are at 27°C and the pool is at 28°C the circulation pump does not need to be
activated. This function can be disabled by adjusting it to the minimum value [Off,].
NOTE: This function has priority over the other pump activation functions except for the manual
activation.
F05 - Instrument energization delay:
With this function enabled, when the instrument is energized, it only works as a temperature indicator
remaining with all the outputs off during the defined time. In installations with several units of equipment,
configuring different values for the start-up delay time of each instrument, it is possible to avoid demand
peaks by activating the loads at different times. This function can be switched off by setting it at the
minimum value 0 [no,,].
F06 - Negative differential (T1-T2) to switch the pump on to dissipate heat:
If the temperature in the tank or swimming pool is too high, switch the circulation pump on (even if the
water in the panels is cool) to cool the consumption water a little (swimming pool or thermal tank). This
function can be disabled by adjusting it to the maximum value [Off,].
F07 - Minimum temperature at S2 to allow heat dissipation activation:
This function allows temperature configuration in sensor 2, for safety reasons, to dissipate heat.
This function will be considered to switch the pump on and / or Backup 2, if it is configured for dissipation
(F21=6).
This function can be disabled by adjusting it to the maximum value [Off,].
F08 - Antifreeze temperature (S1) to switch the pump on:
When the temperature at the panels (sensor 1) is too low (e.g. winter nighttime), the water circulation
pump is switched on at regular intervals to prevent the water from freezing and damaging the pipes.
While the pump is switched on due to the antifreeze, message [ICE,]is alternated with the default
temperature indication. This function can be disabled by adjusting it to the minimum value [OFF,].
F09 - Antifreeze hysteresis:
It is the temperature difference in sensor 1 (panel) for the antifreeze to be switched off.
Exemple:
[,F08] = 5,0 °C
[,F09] = 1,0 °C
When the temperature in sensor 1 falls to 5°C, the circulation pump is activated so that a little of the
warm water of the swimming pool or thermal tank flows through the solar panels. Thus, when the
temperature rises by 1°C and reaches 6°C in sensor 1 (5+1=6), the pump will be switched off.
F10 - Minimum antifreeze time:
It is the minimum time the circulation pump will remain on to ensure (for safety reasons) that the water
will circulate through all panels. This function is frequently used in large installations due to the number
of panels required.
F11 - Superheating temperature (S1) to switch the pump off - HT1:
When the temperature at the collectors (sensor 1) is higher than an adjustable value, the pump is
switched off to prevent the superheated water from circulating through the pipes and damaging them (if
PVC pipes are used). When superheating is detected in sensor 1, message [Ht1,]is alternated with
the default temperature indication.
F12 - Superheating temperature hysteresis (Sensor 1) to restart the pump:
Temperature difference to restart the circulation pump.
Exemple:
[,F11]= 80,0 °C
[,F12]= 10,0 °C
When sensor 1 temperature reaches 80° C, the circulation pump is switched off, and when the
temperature falls to 70° C, the circulation pump starts again (80 - 10 = 70).
F13 - Superheating temperature (S2) to switch the pump off - HT2:
This is the maximum desired temperature in the tank, above which the circulation pump will not function.
This is a safety measure to protect the hydraulic installation in case of superheating. This function is
used in swimming pool heating systems without the third sensor. When superheating is detected in
sensor 2, message[HT2,]is alternated with the default temperature indication.
F14 - Superheating temperature hysteresis (Sensor 2) to restart the pump:
If the pump is off due to superheating in sensor 2 this function can define a temperature range within
which the pump will remain off.
Exemple:
[,F13]= 28,0 °C
[,F14]= 1,0°C
The swimming pool will be heated until sensor 2 temperature reaches 28° C. When this value is
reached, the circulation pump is turned off. When the temperature drops to 27° C, the swimming pool is
heated again (28 - 1 = 27).
hour
40.0
40.0
200
999
0.0(off)
200.1(off)
10.0
20.0
999
200
20.0
200
20.0
1
200
20.0
200
200
999
9
200
20.0
200
200
999
999
999
7
200
0n
5.0
5.0
5.1(off)
yes
999
999
8
0n
3
2
60
4
247
-
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seg.
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°C
°C
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seg.
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-
°C
°C
°C
°C
min.
-
°C
°C
°C
°C
min.
min.
min.
-
°C
-
°C
°C
°C
-
min.
min.
-
-
-
-
seg.
-
-
-
°F
°F
°F
seg.
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°F
°F
°F
seg.
°F
°F
°F
°F
-
°F
°F
°F
°F
min.
-
°F
°F
°F
°F
min.
min.
min.
-
°F
-
°F
°F
°F
-
min.
min.
-
-
-
-
seg.
-
-
t2
8.0
4.0
-50(off)
0(no)
0.0(off)
200.1(off)
8.0
2.0
180
90.0
1.0
70
1.0
0
35.00
1.0
-50.00
200
0(no)
1
30.00
1.0
-50.00
200
0(no)
1
1
0
50
0ff
0.0
0.0
0.0
no
0(no)
1
0(off)
0n
0(no)
0
15
0(no)
1
t1
1
1
-58(off)
0(no)
-72
32
0(off)
1
0
32
1
32
1
0
-58
1
-58
-58
0(no)
0
-58
0.1
-58
-58
0(no)
0(no)
0(no)
0
-58
0ff
-9
-9
-9
no
0(no)
1
0(off)
0ff
0(no)
0
15
0(no)
1
hour
72
72
392
999
0(off)
392(off)
50
36
999
392
36
392
36
1
392
36
392
392
999
9
221
36
392
392
999
999
999
7
392
0n
9
9
10(off)
yes
999
999
8
0n
3
2
60
4
247
t2
15
8
-58(off)
0(no)
0(off)
392(off)
46
4
180
194
2
158
2
0
95
2
-58
392
0(no)
1
86
2
-58
392
0(no)
1
1
0
122
0ff
0
0
0
no
0(no)
1
0(off)
0n
0(no)
0
15
0(no)
1
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