54
S2
S3
S1
A3
A2A1
CYL 2
CYL 1
S4
Program 624 - Solar power system with one consumer and swimming pool
Program 624: Solar 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.
Solar 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.
Filter pump A3 runs when:
A3 is enabled via an OR time window (setting: OPO 3)
or pump A2 is running on automatic mode.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1
A2 = S1 > (S3 + diff2) & S1 > min1 & S3 < max2
A3 = (A3 = time window on) or (A2 = automatic mode)
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)
All programs +2: In addition, if S4 exceeds the threshold max3, pump A1 is switched off.
All programs +4: Both solar loops have separate switch-on thresholds at S1.
Output A1 retains min1, and A2 switches at min2.
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 for
more details).
S1
min1
S2 S3
max1 max2
diff2
A2
diff1
A1
Required settings:
max1 … limit CYL 1 S2 A1
max2 … limit CYL 2 S3 A2
max3 … see all programs +2
min1 … switch-on temp. coll. S1 A1, A2
min2 … see all programs +4
diff1 … coll. S1 – CYL 1 S2 A1
diff2 … coll. S1 – CYL 2 S3 A2
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