STIEBEL ELTRON SOM 9s - Manual (Page 92)

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SOM 9s
Overpressure
PRS > OOVPR
Overpressure
Adjustment range: ON / OFF
Factory setting: OFF
If the system pressure exceeds the adjustable maximum
value OVPRO, an error message will appear. If the system
pressure exceeds or falls below the switch-off threshold, the
relay will be deblocked.
In the case of an overpressure, the message ePReS will
be displayed.
PRS / OVPRO
on at
Adjustment range: 0.6 ... 6.0 bar
Factory setting: 5.5 bar
PRS / OVPRF
off at
Adjustment range: 0.3 ... 5.7 bar
Factory setting: 5.0 bar
Low pressure (leakage)
PRS / OLEAK
Low pressure
Adjustment range: ON / OFF
Factory setting: OFF
The switch-on threshold (factory setting 0.7 bar) can be
adjusted. If the system pressure falls below the adjusted va-
lue, the error message is displayed until the system pressure
exceeds the switch-off threshold (factory setting 1.0 bar).
In the case of low pressure, the message eLeAK will be
displayed.
PRS / LEAKO
on at
Adjustment range: 0.3 ... 5.7 bar
Factory setting 0.7 bar
PRS / LEAKF
off at
Adjustment range: 0.6 ... 6.0 bar
Factory setting: 1.0 bar
note:
The monitoring function is only available, if the
Grundfos sensor RPS is used.
note:
The monitoring function is only available, if the
Grundfos sensor RPS is used.
The date and time can be entered. Both are required for the
thermostat function.
In the display, the upper line indicates the day followed by
the month. The lower line indicates the year.
Time and date.
DatE/Time
Time
Adjustment range:
00:00...23:59
Factory setting: 12:00
DatE/YYYY
Year
Adjustment range:
2010...2099
Factory setting: 2010
DatE/MM
Month
Adjustment range: 01...12
Factory setting: 03
DatE/DD
Day
Adjustment range: 01...31
Factory setting: 15
Temperature unit
In this adjustment channel the temperature unit can be
chosen.
The unit can be switched between °C and °F during ope-
ration.
UNIT
Temperature unit
Selection: °C, °F
Factory setting: °F