Tuxhorn tubra- PGS multi, Assembly And Operating Manual, Page: 36 / 60

Art.-Nr. 676.15.67.00
Dated 2021/09/09
- 16 -
GB
1 3 M a i n t e n a n c e / s e r v i c e
The manufacturer recommends having the system serviced annually by authorised, special-
ist personnel.
1 4 D e c o m m i s s i o n i n g
14.1 Temporary
If the tubra
®
-PGS multi solar station is decommissioned for a prolonged period and kept in
an area that is prone to frost, the power supply must be disconnected and the system
drained completely.
14.2 Final
If the tubra
®
-PGS multi solar station is being decommissioned once and for all, the power
supply for all of the corresponding system components must be disconnected and all of the
relevant lines and components drained completely.
The decommissioning, dismantling and disposal processes should only be conducted by
qualified, specialist personnel. Components and materials must be disposed of in accord-
ance with the current applicable regulations.
1 5 P u m p i n f o r m a t i o n
15.1 PWM functionality
The PWM signal (pulse width modulation) controls the circulation pump's speed and thus its
output.
Logic PWM2
< 7% pump off
7-12% Min. output (operation)
12-15% Min. output (start-up)
15-95% Proportional output range > 95%
max. output
> 95% Max. output