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17.9.
Solar Application scheme I
Loading of pool system from solar collector.
Fig. 17.9 Application scheme I
Installation recommendations
1.
For the controller to count heat output, it is required to install additional CT6 sensor directly on the
return from the pool exchange, and connect it to
T4
measurement input.
Setting recommendations
1.
With the use of additional
T4
sensor, the controller allows effective controlling of
P2
pump that will
be started, when the temperature of return from exchanger reaches
dTP2
value.
2.
At long pipe lengths (between collector and exchanger), setting of
dTP2
value lower than it results
from losses incurred in the collector-exchanger section will prevent starting of
P2
pump, even at
high temperatures in the collector. This setting must be selected specifically to each installation.
3.
During anti-freeze function, the exchanger pump will work longer than the collector pump by
double
tDLY
time. So select this parameter value that after
P2
is stopped
,
the temperature of
glycol in exchanger is not lower than 0°C, as it may damage the exchanger. If there is a risk that
such situation may happen, switch off antifreeze function for the pool system.
Antifreeze function in pool circuit (with priority) may be used only at high awareness. Wrong
settings or unfavorable conditions may damage the exchanger. Always consider all factors like,
e.g., solar work fluid with below-zero temperature in the exchanger.
Mains 230~
S
u
p
p
ly
L
S
u
p
p
ly
N
Pu
m
p
P1
[N
]
Pu
m
p
P1
[L
]
Pu
m
p
P2
[L
]
Pu
m
p
P2
[N
]
S
en
so
r
T
1
[+
]
S
en
so
r
T
1
[
-]
S
en
so
r
T
2
[+
]
S
en
so
r
T
2
[
-]
S
en
so
r
T
4
[+
]
S
en
so
r
T
4
[
-]
Содержание PCSol 201
Страница 1: ...INSTALLATION AND OPERATION MANUAL REVISION 1 1_EN Controller PCSol 201 FOR SOLAR COLLECTORS 07 2020 ...
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Страница 7: ...OPERATING MANUAL PCSol 201 ...
Страница 27: ...INSTALLATION MANUAL PCSol 201 ...
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Страница 56: ...SALUS Controls Made in Poland ...