Diagram 64
19
T1
T2
SP 2
SP 1
T4
T3
A3
A4
A2
A1
Program 66:
2 stop valves and 2 pumps instead of the 4 pumps in program 64. No feed
pump function!
Attention!
If both valves are closed, both pumps will be switched off.
Sensors
Outputs
T1…. Collector 1
A1…. Pump TK1
T2…. Collector 2
A2…. Pump TK2
T3…. Tank 1 bottom
A3…. Valve Collector panel 1
T4…. Tank 2 bottom
A4…. Valve Collector panel 2
T5…. Freely usable
T6…. Freely usable
A1 & A3 = T1 > (T3 + diff1) & T3 < max1
A1 & A4 = T2 > (T3 + diff1) & T3 < max1
A2 & A3 = T1 > (T4 + diff2) & T4 < max2
A2 & A4 = T2 > (T4 + diff2) & T4 < max2
A system of
one pump and a three-way valve
instead of two pumps can be realized by us-
ing the auxiliary output A5: Pump = A1, three-way valve = A2; the auxiliary output A5 switch-
es simultaneously with A2 the pump A1 (setting: A2o).
T1 T2
diff1 diff2 diff2
A1,A3 A2,A3 A2,A4
diff1
A1,A4
T3 T4
max1
max2
Required settings:
diff1
…coll. T1 – TK1 T3
A1,3
coll. T2 – TK1 T3
A1,4
diff2
…coll. T1 – TK2 T4
A2,3
coll. T2 – TK2 T4
A2,4
diff3
…see all pr1
max1
…limit TK1 T3
A1,3,4
max2
…limit TK2 T4
A2,3,4
Additional
: Priority
Vorr
:
(typical: A11, A22, A31, A42)
TK 2
TK 1