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RTH Radiation value (radiation threshold) in W/m
2
, above which filling is permitted
when using a radiation sensor. (ex works = 150W/m
2
)
Adjustment range: 0 to 990W/m
2
in 10W/m
2
steps
OF Outputs, that are responsible for filling. It is also possible to use a "booster pump".
The output for the 2nd pump must be a free output, that is not already being used
for other purposes. (ex works = OF 1)
Adjustment range: Combination of all outputs (e.g. OF 1, OF 23, OF 123).
FT Filling time. After system start-up, due to the radiation value or the temperature
difference between the collector sensor and cylinder sensor, the outputs for filling
of the system run at full speed.
(ex works = 120 sec)
Adjustment range: 0 – 990 seconds in 10 second steps
STT Stabilisation time. After filling of the system, the solar pump participating in the
start runs during the stabilisation time in order to heat up the collector, even if the
set difference
diff is undershot. If speed control is activated, the pump runs at
the speed calculated by the functions
PSC or COP (minimum speed stage MIN).
(ex works = 300 sec)
Adjustment range: 0 – 990 seconds in 10 second steps
BLT Blocking time between two filling processes. (ex works = 0 min)
Adjustment range: 0 to 99 minutes in 1 minute steps
VSG Volume flow sensor setting for low water protection. (ex works = --)
Adjustment range: S1 to S6 Volume flow sensor input
E1 to E9 External sensor value
VSG -- = No volume flow sensor
V min Minimum volume flow after the filling time. If the value is not reached, the
participating solar outputs are switched off. The system can only restart after
resetting of the controller by switching it on and off.
(ex works = 0 l/h)
Adjustment range: 0 to 990 l/h in 10 l/h steps
NSA Number of Start attempts (= counter). Resetting takes place automatically upon
a start attempt, if the last attempt was more than four hours ago.
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