3. Pump Station Data
Data for CSE SOL G SRS1 T-E Pump Station
Max. fluid working temperature
110 °C
Max. working pressure
6 bar
Min. system pressure
1.3 bar with the pump stopped
El. heating element
resistive load max. 3000 W / 230 V (see accessories)
External circulation pump
induction load max. 3000 VA / 230 V
Power supply
230 V, 50 Hz
IP rating
IP20
Ambient temperature
5 - 40 °C
Max. relative humidity
85 % at 25 °C
Overall dimensions
470 x 265 x 120 mm
Total weight
7.1 kg
Min. values of working pressure**
Values of min. working pressure
at the pump suction port
depending on temperature
0,8 bar at 50 °C
1,2 bar at 90 °C
1,8 bar at 110 °C
** this condition is met for current installations when the initial system pressure is set following the formula (see the Instructions for
solar collectors):
p = 1,3 + 0,1·h [bar]
where h… is the height from pressure gauge to the middle of collector array [m]
Pump station internal wiring
Temperature Resistance Table for Pt1000 Sensors
°C
0
10
20
30
40
50
60
70
80
90
100
Ω
1000
1039
1077
1116
1155
1194
1232
1270
1308
1347
1385
SRS1 T
CONTROLLER
L
live
N
neutral
RI, R
potential-free switching contact
Vi
iPWM feedback signal
-
GND PWM
V
PWM control signal output
S3
sensor 3 (after-heating, recirculation)
S2
sensor 2 (solar consumer)
S1
sensor 1 (collector)
SPECIAL SOCKET (FEMALE) IN
THE PUMP STATION DESIGNED TO
CONNECT A HEATING ELEMENT
OF MAX. 3 kW OUTPUT.
