Alarms
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17.9.22 Short circuit on sensor T3 hot water
Function: The alarm is activated when the sensor's value indicates a
temperature higher than +110 °C. The hot water production is
terminated.
Reset condition: The value of the sensor indicates < 110 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
17.9.23 Failure on sensor E1x.TT.T5 room
Function: The alarm is activated when the sensor's value indicates a
temperature lower than -1 °C. In the event of a failure on sensor T5, the
room temperature influence is set to 0.
Reset condition: The value of the sensor indicates
> -1 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
17.9.24 Short circuit on sensor E1x.TT.T5 room
Function: The alarm is activated when the sensor's value indicates a
temperature higher than +70 °C. In the event of a short circuit on sensor
T5, the room temperature influence is set to 0.
Reset condition: The value of the sensor indicates
< 70 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
17.9.25 Failure on sensor E2x.T8 heat transfer fluid out
Function: Activated when the sensor's value indicates a temperature
lower than 0 °C. To be able to make hot water, T8 is set at a temperature
calculated according to the following formula: T8 = T9 + Compressor x
7K + 0.07K x current output in operation.
The active compressor provides Compressor = 1 and current output in
operation means additional heat in %. Compressor operation and 50%
additional heat then give T8 = T9 + 10.5K. Compressor off (Compressor
= 0) and no additional heat (0%) give T8 = T9.
Reset condition: The value of the sensor indicates >0 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
17.9.26 Short circuit on sensor E2x.T8 heat transfer fluid out
Function: Activated when the sensor's value indicates a temperature
higher than 110 °C. T8 is calculated according to the same formula as in
the event of a failure Æ Chapter 17.9.25 ).
Reset condition: The value of the sensor indicates
< 110 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
17.9.27 Failure on sensor E2x.T9 heat transfer fluid in
Function: Activated when the sensor's value indicates a temperature
lower than 0 °C. T9 is calculated according to the following formula: T9 =
T8 - Compressor x 7K + 0.07K x current output in operation.
Reset condition: The value of the sensor indicates >0 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
17.9.28 Short circuit on sensor E2x.T9 heat transfer fluid in
Function: Activated when the sensor's value indicates a temperature
higher than 110 °C. T9 is calculated according to the following formula:
T9 = T8 - Compressor x 7K + 0.07K x current output in operation.
Reset condition: The value of the sensor indicates
< 110 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
17.9.29 Failure on sensor E2x.T10
Function: Activated when the sensor's resistance value indicates a
temperature lower than -20 °C. In the event of a failure, T10 is set at a
temperature calculated according to the following formula: T10 = T11 +
Compressor x 3K.
Reset condition: The value of the sensor indicates
> -20 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
17.9.30 Short circuit on sensor E2x.T10
Function: Activated when the sensor's value indicates a temperature
higher than 70 °C. In the event of a short circuit, T10 is set to an
estimated temperature using this formula:
T10 = T11 + Compressor x 3K.
Reset requirement: The value of the sensor indicates >70 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
17.9.31 Failure on sensor E2x.T11
Function: Activated when the sensor's value indicates a temperature
lower than -50 °C. In the event of a failure, T11 is set at a temperature
calculated according to the following formula: T11 = T10 - Compressor
x 3K.
Reset condition: The value of the sensor indicates
> -50 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
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