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Verfügbare Sprachen
Verfügbare Sprachen
SLA2
Stores are cooled during the night.
Does collector circuit
pump run during the
night?
no
yes
Collector temperature is
higher at night than am-
bient temperature?
no
yes
Is trore insulation suffi-
cient?
yes
no
Is store insulation close
enough to the store?
yes
no
Are the store connceti-
ons insulated?
yes
no
Warm water outflow
upwards?
no
yes
Control the return flow
preventer in warm water
circulation- o.k.
no
Check the controller
functions
Check operation of non
return valves.
Intensify the insulation.
Replace or intesify the
insulation.
Insulate connections.
Change connection and
let the water flow side-
wards or through a siphon
(bow downwards); less
store losses now?
no
yes
o.k.
Cleaning or replacement.
The solar circuit pump does not work although the coll-
ector is obviously warmer than the store.
Does the control LED
flash?
yes
no
Does the pump start up
in manual operation?
no
yes
Is the current of the
pump released by the
controller?
no
yes
Are the fuses of the
controller o.k.?
yes
no
Replace the fuses.
There is no current; check
fuses / replace them and
check power supply.
The adjusted temperature
difference for starting the
pump is too high; choose
a value which makes more
sense.
Is the pump stuck?
yes
Free the pump using a
screwdriver; in operation
now?
no
Is the pump defective -
replace it.
Controller seems to be
defective - replace it.
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