7.1
Hydraulic Variants
LED SIGNALS
STATE DESCRIPTION AND POSSIBLE FAULT REASONS
8.
Graphic Operation Signals and Performance Curves of the Pump
8
.1
Pump Operation Graphic Signals
GREEN IS LIT
RED IS LIT
BLINKING RED
BLINKING RED
AND GREEN
1)
pump is running in trouble-free operation
1) power supply lower/higher than 230 V
2) electric short circuit in pump
3) pump overheated
1) rotor is blocked
2) electric motor winding defect
1) unforced fluid circulation through the pump
2) pump speed lower than desired
3) air in pump
2
4
6
NOTE
:
The numbering of variants corresponds to the
numbering of preset variants in the SRS1 T
controller. The missing variants 1, 3 and 5 are
present in the controller but not recommended
for this variant of a solar pump station.
S2
S3
R1
S1
R1
S2
S1
S2
S1
7
