Diagram 0
7
Hydraulic diagrams
Diagram 0:
Solar power system with 2 consumers and 2 feed pumps
Sensors
Outputs
T1…. Collector
A1…. Solar pump circuit 1
T2…. Tank 1 top
A2…. Feed pump tank 2
T3…. Tank 1 bottom
A3…. Feed pump tank 1
T4…. Tank 2 bottom
A4…. Solar pump circuit 2
T5…. Boiler
T6…. Tank 2 top
Program 0:
Function according to diagram
A1 = T1 > (T3 + diff1) & T3 < max1
A2 = T5 > (T4 + diff2) & T5 > min1 & T4 < max2
A3 = T6 > (T2 + diff3) & T6 > min2 & T2 < max3
A4 = T1 > (T4 + diff4) & T4 < max4
T1 T5 T6
min1 min2
diff1 diff4 diff2 diff3
A1 A4 A2 A3
T3 T4 T2
max1 max2 max3
max4
Required settings:
diff1
… coll. T1 – TK1 T3
A1
diff2
… boiler T5 – TK2 T4
A2
diff3
… TK2 T6 – TK1 T2
A3
diff4
… coll. T1 – TK2 T4
A4
min1
… switch-on temp. boiler T5
A2
min2
… switch-on temp. TK2 T6
A3
max1
… limit TK1 T3
A1
max2
… limit TK 2 T4
A2
max3
… limit TK 1 T2
A3
max4
… limit TK 2 T4
A4
Additional
: Priority
Vorr
:
(typical: A11, A20, A30, A42)
TK2
TK1