SHR
521 20
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334
SHR 521
20
.monen.
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4.1.1 Indication of collector temperatures
Shows the current collector temperature.
•
COL : collector temperature (1-collector-system)
COL:
Collector temperature
display range: -40 ... +250 °C
4.1.2 Indication of store temperatures
Shows the current store temperature.
•
TST : store temperature (1-store-system)
•
TSTL : store temperature lower
•
TSTU : store temperature upper
TST, TSTL, TSTU:
Store temperatures
display range: -40 ... +250 °C
4.1.3 Indication of sensor 3 and sensor 4
Shows the current temperature of the corresponding addi-
tional sensor (without control function).
•
S3
: temperature sensor 3
•
S4
: temperature sensor 4
Please note:
S3 and S4 are only indicated if the temperature sensors
are connected (shown).
S3, S4:
Sensor temperatures
display range: -40 ... +250 °C
4.1.4 Indication of other temperatures
Shows the current temperature of the sensor.
•
TRF : temperature return flow
TRF:
other measured
temperatures
display mode: -40 ... +250 °C
4.1.5 Operating hours counter
h P
/
h P1
/
h P2:
Operating hours counter
display mode
The operating hours counter adds up the solar operating
hours of the respective relay (
h P
/
h P1
/
hP2
). Total hours
are shown on the display.
The total operating hours can be reset. When one opera-
ting hours mode is selected, the symbol
is permanently
shown on the display. The button SET (3) must pressed
for approx. 2 seconds in order to get back into the RESET
mode of the counter. The display-symbol
is flashing and
the operating hours will be set to 0. In order to finish the
RESET procedure, the button
must be pressed in order
to confirm.
To interrupt the RESET procedure, no button should be
pressed for about 5 seconds. The controller returns auto-
matically into the menu mode.
