21
All programs +8: The limiting of cylinder CYL 1 is made via the independent sensor S6 and
the maximum threshold
max1 (no maximum threshold on S2!)
The priorities for CYL 1 and CYL 2 can be set in the parameter menu under PA. In addition,
a solar priority function can be set for this diagram in the menu
PRIOR (see solar priorities
more details).
Program 192 - Solar power system with 2 consumers and feed pump (heating boiler)
Program 192: 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.
Pump
A2 runs when:
S1 is greater than the threshold min1 and S1 is greater than S3 by the difference diff2
and S3 has not exceeded the threshold max2.
The feed pump
A3 runs when:
S4 is greater than the threshold min2 and S4 is greater than S3 by the difference diff3
and S3 has not exceeded the threshold max3.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1
A2 = S1 > (S3 + diff2) & S1 > min1 & S3 < max2
A3 = S4 > (S3 + diff3) & S4 > min2 & S3 < max3
All programs +1: Instead of both pumps A1 and A2 one pump A1 and a three-way valve A2
are deployed. Speed control: Observe the comments on page 9!
Without a priority allocation, cylinder 2 is filled by priority.
A1 ... common pump A2 ... Valve (A2/S receives power when filling cylinder CYL 2)
Required settings:
max1 ... limit CYL 1 S2 A1
max2 ... limit CYL 2 S3 A2
max3 ... limit CYL 2 S3 A3
min1 ... switch-on temp. Coll. S1 A1, A2
min2 ... switch-on temp. boiler S4 A3
min3 ... see all programs +4
diff1 ... coll. S1 – CYL 1 S2 A1
diff2 ... coll. S1 – CYL 2 S3 A2
diff3 ... boiler S4 – CYL 2 S3 A3
CET 1 ... OP 1 OP 12
S1 S4
min1 min2
S2 S3
max1 max2
max3
diff2
A2
diff1
A1
diff3
A3
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