Siemens AVS75.390 - Other Maintenance Messages; Economy Mode

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Siemens Switzerland Ltd
User manual RVS61.843 CE1U2355en_02
HVAC Products 6 The settings in detail 23. November 2007
Number of times per week the temperature differential across the evaporator
drops below the minimum
Indicates how many times within a 7-day period the temperature differential across the
evaporator may drop below the minimum.
Number of times the temperature differential across the evaporator dropped below the
minimum level within a 7-day period. If the value is above setting “Diff evap min/week“
(7082), symbol
appears on the display and a maintenance message on the info
level:
16: Diff evap min (priority 3)
This parameter can be reset, provided the respective access right is granted.
Interval for maintenance of DHW storage tank
Setting of interval (in months) at which the DHW storage tank must be serviced.
Period of time (in months) elapsed since last service visit.
If the value is above setting “DHW storage tank interval“ (7090), symbol
appears on
the display and a maintenance message on the info level:
11: DHW storage tank interval (priority 6)
This parameter can be reset, provided the respective access right is granted.
Minimum DHW charging temperature
Minimum temperature level to which the DHW storage tank must be charged by the
heat pump with no abortion of charging.
The controller saves the DHW temperature at which charging by the heat pump was
last aborted since the heat pump has reached the limitation for high-pressure, hot-gas,
or the maximum switch-off temperature.
If the value is below setting “DHW charg temp HP min“ (7092), symbol
appears on
the display and a maintenance message on the info level:
12: DHW charg temp HP too low (priority 6)
This parameter cannot be reset.
When, next time the DHW storage tank is charged, the minimum DHW charging
temperature is exceeded again, the maintenance function is cancelled. But if not
reached again, the maintenance message is maintained.
Other maintenance messages
5: Water pressure too low
(priority 9)
18: Water pressure 2 too low
(priority 9)
22: Water pressure 3 too low
(priority 9)
Economy mode
7119 Economy function
Locked ¦ released
7120 Economy mode
Off ¦ On
Locked
Economy mode is not possible.
Diff evap min/week
Cur diff evap min/week
Reset
DHW storage tank interval
DHW stor tank since maint
Reset
DHW charg temp HP min
Curr DHW charg temp HP
No reset
Economy function