Technische Alternative UVR65, Programs, Installation, Electric Connection User Manual

Page: 43 / 176

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Program 464 – Solar system with 2 consumers and bypass function
Program 464: Pump A1 runs, if:
• S1 exceeds the threshold min1 • and S1 is greater than S2 by the difference diff1
• or S1 is greater than S3 by the difference diff1.
• and both temperature thresholds ( S2 > max1 and S3 > max2 ) are not exceeded at once.
Pump A2 runs, if:
• S4 exceeds the threshold min2 • and S4 is greater than S2 by the difference diff2
• and S2 has not exceeded the threshold max1 .
Pump A3 runs, if:
• S4 exceeds the threshold min2 • and S4 is greater than S3 by the difference diff3
• and S3 has not exceeded the threshold max2 .
A1 = (S1 > (S2 + diff1) or S1 > (S3 + diff1)) & S1 > min1
& (S2 < max1 or S3 < max2)
A2 = S4 > (S2 + diff2) & S4 > min2 & S2 < max1
A3 = S4 > (S3 + diff3) & S4 > min2 & S3 < max2
All pr1: Instead of both charging pumps A2 and A3 , on pump A2 and a three-way
valve A3 are used. Valve A3 /NO receives voltage when charging CYL2.
Speed control : Both control outputs are set to full speed once max1 has been reached.
All pr2: Separate activation thresholds at S4 for the secondary solar circuit: Output
A2 retains min2 and A3 is regulated via min3 .
necessary settings:
max1
max2
min1
min2
min3
diff1
diff2
diff3
... limit CYL1 S2
... limit CYL2 S3
... activation temp. coll. S1
... activation temp. solar flow S4
... see all pr2
... coll.
S1 - CYL1 S2
... coll. S1 - CYL2 S3
... solar flow S4 - CYL1 S2
... solar flow S4 - CYL2 S3
à A1, A2
à
A1, A3
à
A1
à
A2, A3
à A1
à
A1
à A2
à A3