Full Gauge Microsol II E plus User manual

DIFFERENTIAL TEMPERATURE CONTROLLER
FOR SOLAR HEATING SYSTEMS WITH TWO
BACKUP STAGES
MCSOLIIEPLV7-04T-15886
1. DESCRIPTION
The MICROSOL II e plus is a differential temperature controller for solar heating systems, that
simplifies water temperature management in thermal tanks and swimming pools, using solar power
effectively. It has functions that avoid water from overheating or freezing within the piping. It controls the
water circulation pump based on the differential temperatures between the solar panels and the thermal
tank or swimming pool. It has two outputs for backup heating, that can be electric, gas, diesel-fuelled, or
to program the filtering of the swimming pool. The output AUX2 can also be used to program pool
filtration or as a thermostat for water circulation in the keg so the hot water takes less time to reach the
consumption point, thus wasting less water. In addition, it has a real time scheduling feature that allows
the programming. If a weekly schedule with up to eight daily events. It has RS-485 serial communication
port for Sitrad monitoring and management.
What do auxiliary systems mean (or backup systems)?
They function as backups for the solar heating system on rainy and cold days. They are usually gas
burners, electric heaters, or heat exchangers (heat pump). If the solar heating system is not enough to
heat the water (thermal tank and swimming pool), the auxiliary systems start to operate to heat the
water. Sensor 3 is responsible for the activation of the auxiliary equipment (backup systems).
2. SAFETY RECOMMENDATIONS
- Read this manual before installing and using the controller;
- The installation procedures should be performed by a qualified technician;
- Wear adequate personal protective equipment (PPE);
- Make sure the power supply is switched off and will not be switched on during the installation of the
controller;
- Make sure the controller is properly fastened;
- For application in location subject of water spills, install the vinyl protection provided with the
controller;
- For protection under more critical conditions, we recommend the Ecase cover, available as an option
(sold separately);
3. APLICATIONS
• Pumped solar heating systems
4. TECHNICAL SPECIFICATIONS
evolution
Microsol II e plus
Ver.07
Temperature range (**)
Sensor 1 - Panels (or solar collector):
Metal case - Silicon: -50 to 200°C / -58 to 392°F
Power Supply Microsol II E plus:115 or 230 Vac * (50/60 Hz)±10%
Microsol II EL plus:12 or 24 Vdc or Vac * +10%
Maximum current per output PUMP: 12(8)A / 240Vac 1HP
AUX 1: 10A / 240Vac 2400W
AUX 2: 5(3)A / 240Vac
Operating temperature 0 to 50 ºC / 32 to 122°F
Operating humidity 10 to 90% UR (no condensation)
(*) Acceptable variation in relation to the rated voltage.
(**) This device can measure and control temperatures of up to 200°C/392°F, when used in conjunction with a SB59
model silicon sensor cable (sold separately).
IMPORTANT: Only sensors 1 and 2 are included with the product. Sensor 3 may be purchased separately.
Degree of protection
Dimensions (mm)
Cutout dimensions (mm)
IP 65 (frontal)
76 x 34 x 77 mm (WxHxD)
X = 71±0,5 Y = 29±0,5 (see Image V)
IMPORTANT
EVOLUTION LINE INSTRUMENTS HAVE TWO
DIFFERENT TERMINAL SIZES, BUT BOTH ARE
COMPATIBLE WITH THE 2.0 mm SCREWDRIVER. USE
APPROPRIATE TOOLS DURING INSTALLATION AND
ENSURE A LONGER LIFE AND THE PROPER
OPERATION OF THE PRODUCTS.
Microsol II e plus
Microsol II e plus
1
5678
2349 10 11 12 13 14 15 16 17
115 Vac
S2 S3*
S1
PUMP
Image I:
Microsol II E plus - 115Vac
1
5678
2349 10 11 12 13 14 15 16 17
S1
Image II:
Microsol II E plus - 230 Vac
1
5678
2349 10 11 12 13 14 15 16 17
12 Vac/dc Power supply
Image III:
Microsol II EL plus - 12Vac/dc
1
5678
2349 10 11 12 13 14 15 16 17
24 Vac/dc
Image IV:
Microsol II EL plus - 24Vac/dc
S1
S1
SENSOR IDENTIFICATION:
S1: Solar panels
S2: Tank / swimming pool
S3*: Surface
Have this manual to hands when
using the FG Finder application.
Approximate consumption 0.5 VA
5. INDICATIONS AND KEYS
Increase key
Decrease key
Set key
Quick access
menu key (Flatec)
PUMP output indication LED
AUX1 output led indication
AUX2 output led indication
Temperature unit indication LED
Control functions switched off indication LED
Functions lock indication LED
Microsol II e plus
Sensor 3 - Auxiliary equipment activation (backup systems):
Plastic case - PVC: -50 to 105°C / -58 to 221°F
Sensor 2 - Swimming pool (or thermal tank):
Plastic case - PVC: -50 to 105°C / -58 to 221°F
6. CONNECTION DIAGRAM
6.1. Electric connections (see images I to IV)
6.2. Temperature sensor connection
- Connect the wires of Sensor S1 to terminals "7 and 8" / Sensor S2 to terminals "1 and 2": the polarity is
indifferent and if Sensor S3 is used, it must be connected to terminals "1 and 3".
- Sensors cables lenght can be extended up to 200 meters using a PP 2 x 24 AWG cable.
- For water immersion use a thermowell (image VI-item 15), available from the Full Gauge Controls
product line (sold separately).
Electric noise suppressor filter (sold separately)
Diagram showing the connection of
suppressors in contactors
A1 and A2 are the terminals of the contactor's
coil.
Diagram showing the connection of
suppressors in direct drive loads
For the direct drive, consider the specified
maximum current.
A1
A2
SUPRESSOR
FILTER
Load
SUPRESSOR
FILTER
6.3. Controller power supply
Use the terminals according to the table below, depending on the version of the controller:
Bornes Microsol II E plus Microsol II EL plus
9 e 10
9 e 11
115 Vac
230 Vac
12 Vac/dc
24 Vac/dc
D1
A
B
SITRAD
A
B
SITRAD
A
B
SITRAD
A
B
SITRAD
S2 S3*
D1
S2 S3*
D1
S2 S3*
D1
230 Vac
PUMP
CAPTION:
To the terminal of the connection block
PUMP
Power supply
PUMP
Control
Functions
Shutdown
Functions
lock
Serial
programming
Degree of
protection
IP 65
FRONT
Temperature
differential
Protection
against
freezing
Protection
against
superheating
Supervisory
system

6.4. NBR5410 and IEC60364 standard recommendations
a) Install voltage overload protection in the power supply line of the controller.
b) Install surge protectors-suppressor filter (RC type) - in the circuit to improves instruments
performance. See instructions on how to connect the filter on the previous page.
c) Sensor cables may run together, but not through the same mains where the electricity supplies of the
controller and / or loads pass.
7. FASTENING PROCEDURE
a) Cut out sheet metal of the panel (image V - item 15) where the controller will be fastened, with the
dimensions X = 71 ± 0.5 mm and Y = 29 ± 0.5 mm;
b) Remove the side locks (image VII - item 15): to do that, press the central elliptical part (with Full
Gauge Controls Logo) and move the latches backwards;
c) Insert the controller in the notch made on the panel, inwords;
d) Place the locks and move them until they are pressed against the panel, fastening the controller into
the housing (see the indication of the arrow on image VII - item 15);
e) Perform the electric installation as described in item 6;
f) Adjust the parameters as described in item 8.
WARNING: for installations that require liquid tightness, the opening to install the controller
must be 70.5 x 29 mm maximum. The side locks must be fixed in order to press the sealing
gasket to prevent infiltration between the opening and the controller.
Vinyl protection - Image VIII (item 15)
It protects the controller when it is installed in locations subjected to splashes of water, such as
refrigerated display counters.
This vinyl protection is included with the instrument.
IMPORTANT: Apply only after finishing the electric connections.
a) Push the side locks backward (Image VII - item 15);
b) Remove the protective film from the adhesive face of the vinyl;
c) Apply the vinyl on the entire upper part, bending the tabs as indicated by the arrows - image VIII (item
15);
d) Reattach the locks.
NOTE: The vinyl is transparent, allowing the instrument's electric diagram to be seen.
8. AD JUS TI NG TH E D ESIRE D T EM PE RATU RE AND
PARAMETERS
8.1. Quick Access Menu Chart
To access or browse the quick access menu, use the ;key (quick touch) while the temperature is being
displayed by the controller. With each touch the next function in the list is displayed. To confirm use the ;
key (quick touch). For more details, see chapter 8.3; below is the map of functions:
;
FUNCTIONS LOCK
;
CONTROL FUNCTIONS SHUTDOWN
EXIT FUNCTION
;
FUNCTION SELECTION
;
ERASE MIN. AND MAX. VALUES
;
MIN. AND MAX. TEMPERATURE
RECORD
;
Microsol II e plus
Microsol II e plus
Microsol II e plus
Microsol II e plus
Microsol II e plus
Microsol II e plus
SWITCH BETWEEN MANUAL
AND AUTOMATIC MODE
;
Microsol II e plus
SETPOINT ADJUSTMENT
(SP1, SP2, AND HT2)
;
Microsol II e plus
DATE AND TIME VIEW
;
Microsol II e plus
ACTIVATE / DEACTIVATE THE
VACATION FUNCTION
;
Microsol II e plus
BACKUP 1 SWITCH BETWEEN
MANUAL AND AUTOMATIC
MODE
;
Microsol II e plus
BACKUP 2 SWITCH BETWEEN
MANUAL AND AUTOMATIC
MODE
;
Microsol II e plus
MANUALLY INCREASE /
DECREASE THE TIME FOR
DAYLIGHT SAVINGS TIME
;
Microsol II e plus
8.2. Quick access keys map
When controller is on temperature display mode, the following keys can be used as a shortcut for the
following functions:
Quick touch: the current day, month, year, day of the week, hour, and
minute/temperature will be shown in sequence on the display.
Held down simultaneously: access to the function selection.
/
<
<
Held down for 5 seconds: switch between manual and automatic pump
activation mode.
/
Held down for 5 seconds: backup 2 switch between manual and
automatic activation mode.
<
Quick touch: enter the quick access menu.
;
Held down for 5 seconds: control functions shutdown.
;
/Held down for 2 seconds: Setpoint adjustments (SP1, SP2, AND HT2).
Quick touch: display of the maximum and minimum measurements recorded.
<
<Held down for 2 seconds: clear history when records are being displayed.
Quick touch: momentarily switches the temperature view.
<
Held down for 5 seconds: backup 1 switch between manual and
automatic activation mode.
<
9. BASIC OPERATIONS
9.1 Backup operating temperature adjustment (SETPOINTS)
Pressing/for 2 seconds you can adjust the operating temperature of Backup 1 and Backup 2, as well
as the superheating temperature of sensor 2 (tank / swimming pool). The message [Sp1,], will be
displayed; adjust the operating temperature of Backup 1 using the <or>key, press/to confirm.
Then the message [Sp2,], will be displayed; adjust the operating temperature of Backup 2 as
described above. After pressing the /key the message [Ht2,] will be displayed for the adjustment
of the superheating temperature of sensor 2. Again, use the <or> keys to change the value and
press/to confirm. Finally the indication [----] is signaled concluding the configuration. The
setpoints may also be adjusted in the quick access menu.
9.2 Viewing other temperatures
To switch between the temperature views for sensor 1, sensor 2, sensor 3 (if enabled) and temperature
difference, press > until the desired temperature is displayed.
[T-1,] Sensor 1 temperature
[T-2,] Sensor 2 temperature
[T-3,] Sensor 2 temperature
[dif,] Temperature differential (T1-T2)
The selected temperature will be displayed for 15 seconds and then the default indication will return (as
per [,F01]parameter setting).
9.3 Minimum and maximum temperature record
By pressing the < key or also through the quick access menu (see item 6), the message [rEg,] will
be displayed and then message [t-1,] indicating the temperature of sensor 1 and the maximum and
minimum recorded temperatures immediately after, then the temperature of sensor 2 [t-2,], sensor
3 [t-3,](if enabled), and differential [DiF,]. will be displayed. To erase the current minimum and
maximum values, press the ; key (quick touch) until the message [CrEg] is displayed. Press /to
confirm.
Note: If the <key is pressed while the records are being displayed the values will be reset and the
message [rst,] will be displayed.
9.4 View current date and time
Quickly pressing the/key makes possible to view the current date and time set in the controller. The
display will show sequentially the current day ([,--d]), mouth ([,--m]), year ([,--y]), weekday
([day-]) hour and minute ([00:00]) and if the preferred view set in [,F01] or[Hour], the
temperature is also displayed. It is also possible to view the date and time through the quick access
menu in the option[ClO,].
9.5 Manual pump activation
The pump is manually activated by pressing the / key for 5 seconds.
When the manual mode is selected, the pump remains on for 6 hours (fixed time) and then the controller
assumes the automatic mode. If you want to return to the automatic mode before the 6 hours have
elapsed, press the / key again for 5 seconds to deactivate the manual mode; the message [AUTo]
will be displayed.
The message [Man,] is displayed upon manual activation, this message alternates with the display of
the default indication [,F01]. It is also possible to choose the mode through the quick access menu
[man,].
NOTE: It is not possible to activate the manual pump mode when the control shutdown is active.
NOTE : Manual pump mode can be activated even with one or more sensor errors.
9.6 Manual activation of backup 1
Backup 1 is manually activated by holding the > key down for 5 seconds.
When the manual mode is selected, backup 1 keeps regulating the temperature regardless of the event
schedule for the time defined in [,F20], after the controller assumes automatic mode. If you want to
return to the automatic mode before this time has elapsed, hold the > key down again for 5 seconds to
deactivate the manual mode; the message [AUTo]will be displayed.
The message [Man1]is displayed upon manual activation, this message alternates with the display of
the default indication [,F01]. It is also possible to choose the mode through the quick access
menu[man1].
9.7 Manual activation of backup 2
The backup 2 is manually activated by pressing the < key for 5 seconds.
When the manual mode is selected, backup 2 keeps regulating the temperature regardless of the event
schedule for the time defined in [,F26], after the controller assumes automatic mode. If you want to
return to the automatic mode before this time has elapsed, hold the < key down again for 5 seconds to
deactivate the manual mode; the message [AUTo]will be displayed.
The message [Man2]is displayed upon manual activation, this message alternates with the display of
the default indication [,F01].
It is also possible to choose the mode through the quick access menu[man2].
NOTE: If the controller's control functions are disabled or if vacation mode is enabled, manual activation
of the backups will not be allowed.
9.8 Vacation Mode
Vacation mode can be activated using the quick access menu (;), option [Vac,] and pressing/to
confirm.
When active:
* The event schedule is disregarded and the backup outputs are switched off, resulting in a reduction in
power consumption.
* Carries out the cooling of the tank as programmed in [,F30] - Temperature to switch off the cooling
in vacation mode (S3).

The Vacation function is used to switch the backup systems off and to allow cooling of the tank through
the solar panel when its temperature is below the tank temperature, for example: during the night.
During periods with low or no hot water consumption and high solar intensity, for example vacations,
extended holidays, or for the residence's off seasons, the tank will reach the maximum temperature limit
and the solar heating system will be subject to a high thermal load. Upon activating vacation mode, the
message [VAC,]is displayed, and this message is alternated with the display of the preferred
indication [,F01].
9.9 Functions lock
The use of the functions lock brings greater security to the operation of the instrument. When it is
actived, the setpoint and other parameters can be visible to the user when actived, but they are
protected against undue changes[,F41]= 2 or you can block changes to the control functions and
leave the adjustment of the setpoints enabled [,F41]=1.
Using the ; key (quick touch), access the function [LOC,] in the quick access menu, confirm by
pressing / (quick touch), then the message [no,,],will be displayed. Keep the>key pressed for
the time configured for the functions lock [tLOC], until [LOC,]is displayed. The message
[On,,]will be displayed indicating the functions lock is activated upon releasing the key.
To unlock, turn the controller off and then turn it on again with the > key pressed. Keep the key pressed
until [LOC,] is displayed. Keep the key pressed for 10 seconds and, upon releasing the key, the
message [OFF,] will be displayed indicating the functions lock is deactivated.
9.10 Control functions shutdown
Turning the control functions off allows for the controller to operate just as an indicator of temperature,
keeping the control outputs and the alarms disconnected. Use of this feature is enabled or not by the
control functions shutdown function [,f43].
When enabled, the control and alarms functions are turned off ([CTRL][OFF,]) or on
([Ctrl][ON,,]) through the quick access menu in the option [Ctrl]. When the control functions
are off the message [OFF,] will then be displayed alternately with the temperature and the other
messages. Except when [,f43] is equal to 3 or 4, in which case the display is switched off, keeping
only the icon on.
NOTE:It is also possible to switch the control functions on / off by pressing the ;key for five seconds.
9.11 Manually increase/decrease the time for daylight saving time
Using the option [Summ] on the quick access menu it is possible to increment or decrement one hour
to adjust the clock for daylight savings time.
When this function is accessed you need to enter the access code [,123]to allow you to make the
adjustment.
Use the<or> keys to choose between increase [Inc,] or decrease [dEc,]the time, and press
/to confirm.
9.12 Unit Selection (ºC / ºF)
To select the units that the system will use to operate, press <and> simultaneously as the
temperature/hour is being displayed, enter the option [Code] using the access code [,231] and
then press /. Then select the desired unit [,=C,]or[,=F,]using the<>keys and press/to
confirm.
NOTE: Whenever the units are changed, the functions' configuration assumes the factory default, so
they need to be configured again.
Microsol II e plus
Microsol II e plus
10. ADVANCED OPERATIONS
10.1 Access to the main menu
The main menu can be accessed through the quick access menu ( ;), option [Func] or by pressing
<and>simultaneously while the temperature is being displayed.
The following options will be displayed:
[Code] Entry to the access code
[Func] Change the advanced parameters
[ModE] Event schedule operation mode
[ProG] Event schedule programming
[ClO,] Adjustment or display of the date and time
Select the desired function using the keys. Press (quick touch) after selecting the function <or> /
to view its value. Use to change the value and press / when ready to save the configured <or>
value and return to the functions menu. To leave the menu and return to the normal operating mode
(temperature indication), hold down (long touch) until [----]appears./
Note: If the functions lock is active, the controller will show the message [LOC,], in the display upon
pressing and will not allow the adjustment of the parameters.<or>
10.2 Access Code
To change the parameters or adjust the clock, select the[Code] option by pressing/ (quick touch)
and entering the access code 123 (one hundred and twenty-three) using the < > keys, and ou
confirm with /.
10.3 Date and time adjustment
When the [ClO,]menu is selected, if the access code [123,]has been entered, the controller will
enter the date and time adjustment mode. Use to change the value and press/when ready <or>
to save the configured value. If the date entered is invalid, the message [ECLO] will be shown on the
display.
Example 1 (correct access code entered):
[,00d]- day [,00M]- mouth [,00Y]- year [00:00]
time minute
flashing
IMPORTANT:
The controller has an auxiliary internal power supply to keep the clock running for at least 72 hours in
case of power failure. If the controller remains off for a long period of time, the message [ECLO], may
be displayed to indicate that the clock is not programmed. In this case, the date and time must be
adjusted and the controller must be kept on for 10 hours to fully recharge the auxiliary power supply.
NOTE: If the controller's clock is not programmed (message [ECLO]) it is possible to adjust the time
even when the functions are locked (message [LOC,] ). Under these conditions the clock adjustment
is enabled and the other functions remain locked. After the clock is adjusted the adjustment function is
locked again.
10.4 Event schedule operation mode
In the main menu (after entering the code 123) select the option [ModE] and then the desired function
using the<and>keys. The factory default for the controller is [It7,]- Daily Programming. To
leave the menu and return to the normal operating mode (temperature indication), hold down/(long
touch) until [----]appears.
[IbI,]- Weekly Programming: In this mode the instrument can configure up to 8 events for each
day of the week.
[2t6,]- Weekdays Programming: In this mode, the instrument keeps the same events from
weekdays (Monday to Friday) and allows you to program different events for Saturday and Sunday.
[It7,]- Daily Programming: In this mode, the instrument keeps the same events for all days of the
week.
10.5 Event schedule programming
This option allows entering the values of the time intervals for each event. Data input depends on the
configured operation mode. Up to eight events may be configured for each day. The start time and end
time of each event is set using options [,OnI] to [,On8] [Off8], where:
[,On1] - Start time of the 1st event.
[OFF1] - End time of the 1st event.
.
.
.
[,On8] - Start time of the 8th event.
[OFF8] - End time of the 8th event.
To configure the event schedule on menu [Prog]:
a) Press <and>(quick touch) simultaneously, the option [Code], will be displayed to request the
access code.
b) Press / and enter the access code 123 using the <or>keys, confirming with /. The option
[Code]will appear again.
c) Browse the menu using the<or>key until the option[Prog]appears, and then press /.
The following programming options may be displayed depending on the operation mode:
[IbI,]- Weekly programming
[mode]
[,,p1]- Sunday
[,,p2]- Monday
[,,p3]- Tuesday
[,,p4]- Wednesday
[,,p5]- Thursday
[,,p6]- Friday
[,,p7]- Saturday
[2t6,]- Weekdays programming
[,p26]- Monday to Friday
[,,p7]- Saturday
[,,p1]- Sunday
[It7,]- Daily programming
[,p17]- Everyday
Events programmable by day
[,0n1]- Start time of the
1st event
[0ff1]- End time of the
1st event
[,0n8]- Start time of the
1st event
[0ff8]- End time of the
1st event
.
.
.
If it is not necessary to use all the eight events then they may be configured in the disabled mode by
increasing the switch off time ([Off1] for instance) until [Off,]is displayed. It is also possible to
configure an event to cross midnight by incrementing the switch off time until the option [Cro,] is
displayed and adjusting an event for the following day starting at 12: 00 AM.
d) The time configured for the chosen event will be displayed. Use the<or>key to change the time
and press / again to return to the event programming menu.
e) To leave the event programming menu and return to the home screen, press/until the message [-
---]is displayed.
NOTE: By default the event schedule comes with all events disabled.
NOTE 2: When the event schedule operation mode is changed all events return to the default, i.e.
disabled.

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
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t2
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1

F15 - Backup 1 operating mode:
[,,,0]Backup 1 working independently from backup 2.
[,,,1]Backup 1 disabled when backup 2 is active.
NOTE: Programmed in 1, if the two backup systems are in condition to be switched on, backup 1 is
switched off and the controller displays the message [Aa2,], except when backup 1 is with manual
activation or when backup 1 is operating in the antifreeze (F31).
F16 - Backup 1 temperature setpoint:
Temperature to switch off backup 1.
F17 - Backup 1 operation hysteresis:
Temperature to switch backup 1 on again.
Exemple:
[,F16]= 30,0 °C
[,F17]= 1,0°C
Backup 1 switches off at 30° C and switches on again at 29° C (30-1=29).
IMPORTANT: Backup 1 is linked to an event schedule (acts in accordance with user-defined times
up to eight daily events). That is why the times must be programmed for this backup system to work
properly. If the clock of the controller is not programmed (message [ECLO]), MICROSOL II e
plus assumes a momentary disconnection until the clock is reprogrammed.
F18 - Minimum setpoint allowed to the end user (backup 1):
Avoids regulation of excessively low setpoint temperatures by mistake.
F19 - Maximum setpoint allowed to the end user (backup 1):
Avoids regulation of excessively high setpoint temperatures by mistake.
F20 - Backup 1 manual activation time:
Time for which MICROSOL II e plus will remain independent from the event schedule if the user
activates backup 1 manually. After this time, backup 1 returns to automatic mode.
F21 - Backup 2 operating mode:
[,,,0]Refrigeration thermostat.
[,,,1]Heating thermostat.
[,,,2]Refrigeration thermostat linked to the event schedule.
[,,,3]Heating thermostat linked to the event schedule.
[,,,4]Cyclical timer with initial state on.
[,,,5]Cyclical timer with initial state on and linked to the event schedule.
[,,,6]Refrigeration thermostat for dissipation of excess temperature in the water tank.
[,,,7]Heating thermostat of the keg with recirculation.
[,,,8]Heating thermostat of the keg with recirculation linked to the event schedule.
[,,,9]Event output independent from thermostats.
When the thermostat mode is selected for the keg heating, the backup systems are controlled by
different sensors. Backup 2 is controlled by sensor 3 while backup 1 is controlled by sensor 3. For this,
sensor 3 must be enabled in function [,F34].
In the other thermostat functions, both backup systems are controlled by the same sensor. If sensor 3 is
disabled (F34=OFF), both backup systems are controlled by sensor 2 or otherwise controlled by sensor
3, if it is enabled.
NOTE: If the controller's clock is not programmed (message [ECLO]) and the operating mode of
backup 2 is linked to the event schedule, MICROSOL II e plus assumes a momentary
disconnection until the clock is reprogrammed.
F22 - Backup 2 temperature setpoint:
This is the maximum desired temperature in the swimming pool (or thermal tank), as well as in function
[,F13].
F23 - Backup 2 operation hysteresis:
It is the temperature difference (hysteresis) between switching the heating (or refrigeration) of the
thermostat ON and OFF of backup 2.
Exemple: One wants to control the temperature at 4.0 °C with a differential of 1.0 °C. Therefore, the
cooling is switched off at 4.0 °C and switched back on at 5.0 °C (4.0 + 1.0), in the heating mode the
output is switched off at 3° C and is switched on again at 4.0° (1.0 - 4), as per the charts below:
Temperature [°C]
Cooling
Temperature [°C]
Heating
Setpoint
Setpoint + Hysteresis
Time [S]
Relay Off
Relay On
4°C
5°C Setpoint
Setpoint + Hysteresis
Time [S]
3°C
4°C
Relay Off
Relay On
F24 - Minimum setpoint allowed to the end user (backup 2):
Avoids regulation of excessively low setpoint temperatures by mistake.
F25 - Maximum setpoint allowed to the end user (backup 2):
Avoids regulation of excessively high setpoint temperatures by mistake.
F26 - Backup 2 manual activation time:
Time for which MICROSOL II e plus will remain independent from the event schedule if the user
activates backup 2 manually. After this time, backup 1 returns to automatic mode.
F27 - Cyclical timer on time / Recirculation* (Scan Time):
It allows the adjustment of the time for which the controller will remain with output AUX 2 on when
backup 2 is configured in cyclical timer mode (F21 = 4 or 5).
If the operating mode of backup 2 is heating thermostat of the keg with recirculation (F21 = 7 or 8), this is
the time for which the controller will keep the water circulation active to regulate the temperature of the
water in the keg.
Note: The recirculation can be disabled by adjusting it with the minimum value 0 [No,,], On the other
hand, the minimum on time for the cyclic timer is 1 minute.
F28 - Cyclical timer off time / Intervals* between scans:
It allows the adjustment of the time for which the controller will remain with output AUX 2 off when
backup 2 is configured in cyclical timer mode (F21 = 4 or 5).
Functions F27 and F28 are used when the user configures backup 2 to filter the swimming pool. In this
case, backup 2 will cycle in accordance with the times programmed in F27 (on time) and F28 (off time). If
the operating mode of backup 2 is heating thermostat of the keg with recirculation, this is the time
interval between the last and the next temperature scan. If the temperature to switch on the backup is
reached the scan cycle is restarted.
Note: The interval between scans can be disabled by adjusting it with the minimum value 0 [No,,].
On the other hand, the minimum off time for the cyclical timer is 1 minute.
F29 - Event schedule linking mode:
This function allows the user to configure whether backup 2 must work in conjunction with backup 1 or
not. If backup 2 is programmed as linked to the schedule of (F21=2, 3, 5, or 8), this function will serve to
inform the events (times) for which the backup systems will be activated.
[,,,0]Aux 1 linked to events 1,2,3,4,5,6,7 e 8.
Aux 2 linked to events 1,2,3,4,5,6,7 e 8.
[,,,1]Aux 1 linked to event 1.
Aux 2 linked to events 2,3,4,5,6,7 e 8.
[,,,2]Aux 1 linked to events 1,2.
Aux 2 linked to events 3,4,5,6,7e 8.
[,,,3]Aux 1 linked to events 1,2,3.
Aux 2 linked to events 4,5,6,7e 8.
[,,,4]Aux 1 linked to events 1,2,3,4.
Aux 2 linked to events 5,6,7e 8.
[,,,5]Aux 1 linked to events 1,2,3,4,5.
Aux 2 linked to events 6,7e 8.
[,,,6]Aux 1 linked to events 1,2,3,4,5,6.
Aux 2 linked to events 7e 8.
[,,,7]Aux 1 linked to events 1,2,3,4,5,6,7.
Aux 2 linked to event 8.
F30 - Temperature to switch off the cooling in* vacation mode (S3):
This aims to cool the thermal tank during the night when Vacation mode is active, whenever the sensor 3
temperature is higher than the value adjusted in this parameter and the temperature difference between
the solar panel (S1) and the tank (S2) reaches -4.0ºC (fixed). Then the pump is switched on using the
solar panel as a radiator to cool the water in the swimming pool. When the differential (T1-T2) drops
below -2.0ºC (fixed) or the backup temperature (S3) drops below the temperature of this parameter, the
pump is switched off. The hysteresis of this control is fixed and defined as 2.0ºC.
F31 - Output of backup 1 associated to the antifreeze (S1):
When enabled it aims to ensure a minimum temperature in the thermal tank for when the antifreeze
function ([,F08])is required.
The output of backup 1 is activated whenever the backup's temperature is below the adjustment of
[,F08] (antifreeze temperature) + [,F09] (antifreeze hysteresis). The hysteresis of this control is
fixed and defined as 2.0ºC. For example, if adjusted [,F08]=[,,8.0]and [,F09]=[,20.0],the
output of backup 1 will switch on when sensor 3 temperature is below 28.0°C and switch off when it is
above 30.0°C.
Note: This function switches the backup output on independently of backup 1 mode, vacation mode, or
event schedule.
F32 - Sensor 1 indication offset:
It allows for the compensation of possible deviations in the temperature reading caused by the
replacement of the sensor or changes in the cable length.
F33 - Sensor 2 indication offset:
It allows the compensation of possible deviations in the temperature reading caused by the
replacement of the sensor or changes in the cable length.
F34 - Sensor 3 indication offset:
It allows for the compensation of possible deviations in the temperature reading caused by the
replacement of the sensor or changes in the cable length. Sensor 3 may be disabled by adjusting this
function to the maximum value [Off,]. After sensor 3 is disabled, backup systems 1 and 2 will be
controlled by sensor 2 (tank / swimming pool).
F35 - Linking of sensor S3 to the automatic mode (If sensor 3 is enabled):
[no,,]Circulation pump operating in automatic mode and not linked to sensor 3. With this mode the
pump is activated only by the temperature differential (S1-S2).
[yes,]Circulation pump operating in automatic mode and linked to sensor 3. With this mode the
pump is activated by the temperature differential and when the temperature at sensor 1 is higher than
that at sensor 3.
NOTE: When the value of this function is [yes,] it will return to [no] when sensor 3 is disabled
[no,,].
F36 - Maximum time the backup 1 output remains on without reaching the setpoint:
Is the maximum time the output of backup 1 will remain on without reaching the setpoint. When this time
is exceeded the visual alarm [gAs,]is activated and the thermostat output remains off according to
the time defined in F37. Functions F36 and F37 serves as protections for the gas-fired backup so that in
case of system failure (flame out for instance), the water circulation is interrupted and the heater is
switched off to protect it. This function can be disabled by adjusting it to the minimum value 0 [no,,].
F37 - Backup 1 output off time in state of alarm for not reaching the setpoint:
It allows adjusting the time for which the controller will keep the backup 1 output off while in state of
alarm for not reaching the setpoint. If the setpoint is reached during this time the alarm is switched off. If
the setpoint is not reached after this time has elapsed, new checks are performed during the time
defined in F36.
F38 - Digital input operating mode:
[Off,]Off
[,,,1]Activate / deactivate manual pump operation (NO switch)
[,,,2]Activate / deactivate manual pump operation (NF switch)
[,,,3]Activate / deactivate manual backup 1 operation (NO switch)
[,,,4]Activate / deactivate manual backup 1 operation (NF switch)
[,,,5]Activate / deactivate manual backup 2 operation (NO switch)
[,,,6]Activate / deactivate manual backup 2 operation (NF switch)
[,,,7]Activate / deactivate vacation mode (NO switch)
[,,,8]Activate / deactivate vacation mode (NF switch)

F39 - Pump output enable:
[Off,]Off
[On,,]On
It allows the switching on / off of the circulation pump control. If the pump control is switched off, only the
backup systems are enabled and the controller disregards the functions related to the circulation pump.
F40 - Backup on only when the pump is off:
It allows the choice of which backup will be linked to the activation of the pump:
[no,,]No backup
[,,,1]Backup 1
[,,,2]Backup 2
[,,,3]Backup 1 and backup 2
The backup selected in this function will only switch on when the circulation pump is off, preventing the
pump from operating at the same time as the backup systems, except when the backup is manually
activated.
NOTE: The manual activations have priority over F40.
F41 - Functions lock mode:
It allows and configures the functions lock.
[,,,0]Do not allow the functions lock.
[,,,1]It allows a partial lock where the control functions will be locked but the adjustment of the
setpoint, date views, and maximum and minimum record views are allowed.
[,,,2]It allows the full lock, enabling only the date views and maximum and minimum record views.
F42 - Time for functions lock:
Allows lock of control functions (see item 9.9).
[,,15] - [,,60] - Defines the time in seconds for the controller to activate.
F43 - Control functions shutdown:
Allows the turning off the control functions (see item 9.10).
[,,,0]Disables the control functions shutdown.
[,,,1]Enables activation/deactivation of the control functions only if the functions are unlocked.
[,,,2]Enables activation/deactivation of the control functions even if the functions are locked.
[,,,3]It enables the activation/deactivation of the control functions only if the functions are unlocked,
switching off the display.
[,,,4]Enables activation/deactivation of the control functions even if the functions are locked,
switching off the display.
NOTE: In options 3 and 4 the display is switched off if no keys are pressed and switched on when any
key is pressed, remaining on for five seconds.
F44 - Address of the instrument in the RS-485 network:
Equipment's network address for communicating with Sitrad® software.
Note: One network must not have different equipment with the same address.
11. DISPLAY SIGNALINGS
[Err1]
[Err2]
[Err3]
[ICe,]
[HT1,]
[Ht2,]
[gas,]
[Man,]
[Man1]
[Man2]
[VAC,]
[AA2,]
[LOC,][On,,]
[LOC,][OFF,]
[OFF,]
[EClo]
[eCAL]
[pppp]
Sensor 1 disconnected or damaged.
Sensor 2 disconnected or damaged.
Sensor 3 disconnected or damaged.
Antifreeze in sensor 1.
Sensor 1 superheating.
Sensor 2 superheating.
Pump manually activated.
Backup 1 manually activated.
Backup 2 manually activated.
Controller in vacation mode.
Backup 2 activation alarm.
Functions lock.
Unlocking of functions.
Control functions off
Invalid date and/or time (adjust the clock).
Contact Full Gauge Controls.
Reconfigure the values of the functions.
12. GLOSSARY OF ABBREVIATIONS
- °C: Temperature in degrees Celsius.
- °F: Temperature in degrees Fahrenheit.
- Auto: Automatic.
- LOC: Blocked.
- No: No.
- OFF: Switched off / deactivated.
- ON: Switched on / activated.
- SET (Setting)" (adjustment or configuration).
- Vac: Electric voltage (volts) in alternating current.
- Vdc: Electric voltage (volts) in direct current.
- Yes: Yes.
Reached the maximum on time of backup 1 output without
reaching the setpoint.
AB
MT-530 super
AB
MT-530 super
Serial Interface RS-485
Device used to establish the
connection of Full Gauge Controls
®
instruments with Sitrad .
Grounded
terminal
®
*Connection block
It is used to interconnect more than one instrument to the Interface. The wires must be
connected as follows: Terminal A of the instrument connected to terminal A of the
connection block, which in turn must be connected to terminal A of the Interface. Repeat
the procedure for terminals B and , with being the cable mesh (optional ground).
NOTE: The terminal of the connection block is not connected in this instrument.
Full Gauge
RS-485
serial Interface
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
Instrument
RS-485 network
A
B
A
B
A
B
External
loop
A
B
Keep Sitrad up-to-date through the
site: http://www.sitrad.com.br
®
*Sold separately
13. INTERCONNECTING CONTROLLERS, RS-485 SERIAL
INTERFACE, AND COMPUTER
Sitrad installation lession video
at: http://www.fullgauge.com.br/
videos/treinamentos-sitrad
14. OPTIONAL ITEMS – Sold Separately
E-case
Recommended for the Evolution line, it prevents water from entering the back part of the instrument. It
protects the product when the installation site thereof is washed.
ECASE PROTECTIVE
CASE
Extension Frame
It allows the installation of controllers with dimensions of 76 x 34 x 77 mm in several situations, because
it does not require precision of the opening to embed the instrument.
The frame has two built-in 10-Amp switches that can be used to drive the internal light, air curtain, fan,
and others.
- version 2 or laterEasyProg
It is an accessory which has the main function of storing the controller parameters. At any time you can
load new parameters of a controller and unload them on a production line (of the same controller), for
example.
It is provided with three types of connections for loading or unloading the parameters:
- Serial RS-485: It is connected via RS-485 network to the controller
(only for those controllers provided with RS-485).
- USB: It is connected to the computer via USB port, using the Sitrad
Preset Editor.
- Serial TTL: The controller may be connected directly to
EasyProg via Serial TTL connection
CONTROLLER
EXTENDED
FRAME
SWITCHES
EASYPROG
IMPORTANT
IN ORDER TO BE ABLE TO COMMUNICATE
WITH EASYPROG THE CONTROLLER
MUST NOT BE COMMUNICATE WITH
SITRAD.

ANNEXES - Reference Images
Image V Image VI
Image VII
Image VIII
Y
X
PANEL
PANEL
LATCHES
CONTROLLER
VINIL
CONTROLLER
CONTROLLER
WARRANTY - FULL GAUGE CONTROLS
Products manufactured by Full Gauge Controls, as of May 2005, have a two (02) year
warranty, as of the date of the consigned sale, as stated on the invoice. They are guaranteed
against manufacturing defects that make them unsuitable or inadequate for their intended
use.
EXCEPTIONS TO WARRANTY
The Warranty does not cover expenses incurred for freight and/or insurance when sending
products with signs of defect or faulty functioning to an authorized provider of technical
support services. The following events are not covered either: natural wear and tear of parts;
external damage caused by falls or inadequate packaging of products.
LOSS OF WARRANTY
Products will automatically lose its warranty in the following cases:
- The instructions for assembly and use found in the technical description and installation
procedures in Standard IEC60364 are not obeyed;
- The product is submitted to conditions beyond the limits specified in its technical
description;
- The product is violated or repaired by any person not a member of the technical team of
Full Gauge Controls;
- Damage has been caused by a fall, blow and/or impact, infiltration of water, overload
and/or atmospheric discharge.
USE OF WARRANTY
To make use of the warranty, customers must send the properly packaged product to Full
Gauge Controls together with the invoice or receipt for the corresponding purchase. As much
information as possible in relation to the issue detected must be sent to facilitate analysis,
testing and execution of the service.
These procedures and any maintenance of the product may only be provided by Full
Gauge Controls Technical Support services in the company's headquarters at Rua Júlio de
Castilhos, 250 - CEP 92120-030 - Canoas - Rio Grande do Sul – Brasil
Rev. 03
ENVIRONMENTAL INFORMATION
Packaging:
The materials used in the packaging of Full Gauge products are 100% recyclable. Try to
perform disposal through specialized recyclers.
Product:
The components used in Full Gauge controllers can be recycled and reused if
disassembled by specialized companies.
Disposal:
Do not incinerate or dispose the controllers that have reached the end of their service as
household garbage. Observe the laws in your area regarding disposal of electronic
waste. If in doubt, please contact Full Gauge Controls.
Copyright 2015