2
EN-SUNGO-S-BA-0804-1122P200
1. Technical Description
Solar Controller SUNGO S
Material
100 % recyclable ABS casing
for wall mounting
Dimensions (L x H x W in mm)
173 x 138 x 51
Protection type
IP40 according to VDE 0470
Rate of radio interference
N according to VDE 0875
Mains supply
230 Volt AC; 50 Hz;
-10 % to +15 %
Max. size of wiring
for 230 V-connections
2,5 mm² stranded / single
Temperature sensor /
Temperature range
Pt1000; 1000
Ω
at 0 °C;
Range: -30 °C to +225 °C
Strain on sensor
Ensure that the cable does not
put strain on the sensor; Do not
put any mechanical strain on
the sensor if temperature is
above 60 °C.
Test voltage
4 kV for 1 min according to
VDE 0631
Switching voltage
Output parameters of switches
230 Volt AC
1A / 230 VA for cos
ϕ
= 0,7-1,0
Fuse, internal
Low current fuse 5 x 20 mm; 2
A/T (2 Ampere, slow)
Operating temperature
(inside), storage temp.
0° to +50 °C / -10° to +65 °C
Weight
ca. 360 g
Solar Charging
The solar circulation pump is switched on and off by means
of a temperature difference control. The sensors T1 (collec-
tor) und T2 (tank, bottom) are required as control elements.
The on/off conditions and the temperature limitation can
be variably set in the settings menu. Note: The temperature
limitation always affects sensor T2 (tank, lower half).
Speed Control
The solar circulation pump can be controlled via speed
control (in this case impulse packet control). This means
that individual sine half-waves in the alternate current are
switched on or off depending on the temperature differ-
ence. Therefore the speed can be altered within a range of
30-100 % which results in longer system run times. The min-
imum speed can be custom set.
Sensor T3 (tank, upper half)
SensorT3 (tank, upper half) is a measuring sensor which in-
dicates the temperature in the upper tank area. It has no
switch function and is not monitored by the diagnostics
system.
Balance Values
In addition to the actual values of the sensors T1 (collector)
and T2 (tank, lower half) the display also shows balance val-
ues which represent the min. and max. temperature values
for each sensor. When reset the current actual temperature
value is displayed.
Manual Operation
Manual operation allows to manually switch input and out-
put channels on or off. On exiting the manual operation
menu, the software returns to automatic operation. The
manual operation menu can be used for a maximum of
8 hours. After that the software automatically switches back
to automatic operation in the information menu.
Manual Lag Function
In order to check the temperature values in the information
menu, even when the output channels are set manually, a
time lag has to be selected in the manual lag function of the
manual operation menu. After exiting the manual opera-
tion menu this time span passes once and then is set back
to zero. In this mode a blinking symbol for the manual oper-
ation is shown in the information menu.
Collector Cooling
The tank is loaded up to the preset temperature limitation
which affects sensor T2 (tank, bottom). If the preset temper-
ature limitation is exceeded output A1 (solar circulation
pump) switches off. If the temperature of T1 (collector) then
rises above the selectable standard value of 110 °C the so-
lar circulation pump is switched on in order to cool the col-
lector. It switches off again when the temperature at the col-
lector sensor has decreased by 10 K.
This type of intermittent operation of the solar circulation
pump means, that the collector is never or only rarely in
an idle state. If the preset tank temperature limitation is
exceeded by 5 K, the collector cooling function is sup-
pressed. The system shuts down completely.
Tank Cooling
Tank cooling means that if necessary the tank temperature
can be reduced to a preset lowest switch-off value (e.g. set-
ting for vacations).
When the collector cooling function is activated tank cool-
ing will also become active.
In order for tank cooling to become active the following 3
conditions must be met:
1. Temperature T2 (tank, lower half) must be higher than or
equal to the preset tank temperature limitation plus 2 K.
2. Temperature T2 (tank, lower half) must be higher than
the preset switch-off value for tank cooling.
3. Temperature T1 (collector) must be lower than tempera-
ture T2 (tank, lower half) minus 10 K.
In order for tank cooling to switch off one of the following 2
conditions must be met:
1. Temperature T2 (tank, lower half) is lower than the
switch-off value for tank cooling.
2. Temperature T1 (collector) must be higher than tempera-
ture T2 (tank, lower half) minus 2 K.
Vacuum Tube Collector Function
The vacuum tube collector function allows operation of the
solar heating system even if sensor T1 (collector) is in-
stalled in the connecting pipe of the collector. If the tem-
perature increase at sensor T1 exceeds the preset switch-
on value for the collector temperature increase (standard:
1 K) the solar circuit pump is switched on for the duration of
a preset lag time (standard: 15 s).
During this time the switch-on difference and the solar
charge between sensor T1 (collector) and sensor T 2 (tank,
