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Program 16 - Loading the cylinder from the boiler
Program 16: Pump A1 runs when:
S1 is greater than the threshold min1 and S1 is greater than S2 by the difference diff1
and S2 has not exceeded the threshold max1.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1
All programs +1:
In addition, if S3 exceeds the threshold max2, pump A1 is switched off.
Program 32 - Burner requirement via cylinder sensors
Program 32:
The output A3 switches on if S2 falls below the threshold min3.
The output A3 switches off (dominant) if S1 exceeds the threshold max3.
A3 (on) = S2 < min3 A3 (off) = S1 > max3
All programs +1:
The burner request (A3) is only made via S2.
The output A3 switches on if S2 falls below the threshold min3.
The output A3 switches off (dominant) if S2 exceeds the threshold max3.
A3 (on) = S2 < min3 A3 (off) = S2 > max3
Required settings:
max3 … burner req. off SP S1 A3
min3 … burner req. on SP S2 A3
Burner
A3
S2 min3
S1 max3
A1
S2
S1
S3
S1
min1
S2
max1
diff1
A1
Required settings:
max1 … limit CYL S2 A1
max2 … see all programs +1
min1 … switch-on temp. boiler S1 A1
diff1 … burner S1 – CYL S2 A1
S3 for program +1
S2
A3
S1
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