Alarms
6 720 643 409 (2010/03)
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16.12 Information log
The information log displays information from the heat
pump.
16.12.1 High flow temperature E2x.T8
Function: Compressor stops. Activated when the
temperature on sensor T8 exceeds the maximum
permitted temperature for T8.
Reset condition: Restarts when E2x.T9 falls below the
saved temperature with hysteresis on 3K (not
adjustable).
Category: I.
16.12.2 Temporary heat pump stop E21.RLP
Function: Activated when the pressure in the refrigerant
circuit of the heat pump becomes too low. If the
information appears several times during a certain time
period, the information transforms into a category A
alarm (Æ Chapter 16.9.2).
Reset condition: The pressure goes back to the
permitted level.
Category: I.
16.12.3 Temporary heat pump stop E21.RHP
Function: Activated when the pressure in the refrigerant
circuit becomes too high. If the information appears
several times during a certain time period, the
information transforms into a category A alarm (Æ
Chapter 16.9.3).
Reset condition: The pressure goes back to the
permitted level.
Category: I.
16.12.4 Low temperature collector circuit in E2x.T10
Funktion: The information is given if the temperature of
the collector circuit in is too low. First, a information is
given. If the information appears several times during a
certain time period, the informations transforms into a
category A alarm.
For settings of T10: (ÆChapter 15.9).
Alarm timer starts: Yes.
Reset condition: T10 exceeds the lowest permitted
temperature T10 plus hysteresis.
Category: J which goes over into A.
16.12.5 Low temperature collector circuit out E2x.T11
Function: The information is given if the temperature of
the collector circuit out is too low. First, a information is
given. If the information appears several times during a
certain time period, the warning transforms into a
category A alarm.
For settings of T11: (ÆChapter 15.9).
Alarm timer starts: Yes.
Reset condition: T11 exceeds the lowest permitted
temperature T11 plus hysteresis.
Category: J which goes over into A.
16.12.6 Hot water peak failure, new try within 24 hours
Function: The hot water has not come up at the right
temperature. The hot water peak is repeated at the same
time on the next day.
Reset condition: The correct hot water peak
temperature is reached.
Category: Z.
16.12.7 Temporary heat pump stop due to working area
limits
Function: The information is displayed only if Hot gas
stop function activated has been set to Yes. The
compressor stops until the hot gas temperature falls
below the set limit.
Reset condition: The hot gas temperature is within the
range of the compressor.
Category: Z.
16.12.8 Temporary hot water stop due to working area
limits
Function: The information is displayed only if Hot gas
stop function activated has been set to Yes. Ongoing hot
water operation is aborted and replaced with heating
operation.
Reset condition: The hot gas temperature is within the
range of the compressor.
Category: Z.
16.12.9 Additional heat is now working at its highest
temperature
Function: The additional heat begins to be stepped
down. The information is activated in additional heat
mode if the outgoing temperature (T1 or T8) approaches
the set maximum value. The information is blocked
during hot water peaks or extra hot water.
Reset condition: The information is deactivated when
the temperature falls.
Category: Z.
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