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36
4
MFA
X1:
N
1
N
2
N
3
N
4
5
6
eBus
TKO
PKS
PKP
TSU
TSO
TPU
TPO
PPS
TPO
TPU
TSO
TSU
TKO
PPS
PKS
PKP
PWL*
PWL*
X2:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
The WRSol 2.0 determines the temperature differential
between the collector sensor (TKO) and the reference
sensor (TSU and TPU). If the temperature differential
exceeds the value set (
... Diff. On
) the relevant solar
pump is activated and the storage tank is loaded. Once
the dual stratification storage tank reaches its
(
... Temp. Setpoint value
) the pump is
deactivated and the calorifier pump is activated in
accordance with the switching differential or the priority
setting (
➭
Ch. 7.12).
With the charge reversal pump calorifier-tank (PPS) the
energy stored in the calorifier is used depending on the
Tank actual value top
(TSO) and the
Calorifier
actual value top
(TPO) (
➭
Ch. 7.18).
Depending on the average pump speed and the minimum
storage tank temperature, the external heat exchanger can
be blocked via the potential free
Multi-funct. Output
(MFA).
In addition an 18 hour block can be activated.
The DHW function (
➭
Ch. 7.14) can also influence the
MFA output.
Possible settings MFA output:
0, 1, 2, 5, 6, 7, 8, 9, 10, 11, 12
Variation 51: Storage tank cascade for DHW with two collector load pumps and retrieval function
WW
KW
B
TSU
MFA
X1:
N
1
N
2
N
L
3
N
L
4
5
6
eBus
TKO
PS
VSP
TPU
VSB
TPU
TKO
TSU
PS
M
TSB
TSB
VSP
VSB
VSB
VIZ*
TKR*
VIZ*
TKR*
AB
B
A
M
AB
A
PZW*
PZW*
X2:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
•
Energy yield calculation (optional;
➭
Ch. 7.10)
•
Circulation function with sensor (optional;
➭
Ch. 7.15)
The WRSol 2.0 determines the temperature differential
between the collector sensor (TKO) and the reference
sensor (TSU, TPU, TSB).
As soon as the temperature differential on the reference
sensor is greater than the value set (
... Diff. On
), the
solar pump is switched on and the storage tank is loaded.
Once the (
... Temp. Setpoint value
) has been
reached the three way valve (VBP) switches over and
loads the calorifier provided according to the priority
setting (
➭
Ch. 7.12).
Once the calorifier has been loaded the swimming pool is
loaded via the three way valve (VSB) and the heat
exchanger.
Depending on the average pump speed and the minimum
storage tank temperature, the external heat exchanger can
be blocked via the potential free
Multi-funct. Output
(MFA).
In addition an 18 hour block can be activated.
The DHW function (
➭
Ch. 7.13) can also influence the MFA
output.
Possible settings MFA output:
0, 1, 2, 5, 6, 7, 8, 9, 10, 11, 12
Variation 52: Storage tank cascade for DHW / heating and/or swimming pool
KW
* optional