67
KaCool D AF –
Comfortable feeling of well-being, thanks to AtmosFeel
3.25
Chilled water air conditioning system
Installation and operating instructions
A15 General alarm
The general alarm with units with KaControl is only triggered if the inputs
on the KaControl have been correspondingly parametrised.
Effect of this alarm:
The valves are close and the fan switched off.
A16 Faulty AI1, AI2 or AI3 sensor
The sensor alarm is displayed if one of the active sensors does not transmit
any plausible measured values to the KaControl.
Check the correct wiring of the KaControl and check the sensor.
Effect of this alarm:
The valves are close and the fan switched off.
A17 Unit frost protection function
The temperature at the temperature sensor is monitored at each phase in
the system to a limit of 4 °C. The unit frost protection function is activated
if the temperature drops below 4 °C.
The unit frost protection function is disabled when the temperature at the
sensor rises above the limit of 4 °C. The unit frost protection function is also
activated if the room temperature drops below 4 °C.
Effect of this alarm:
The cooling or heating valve opens and fan is switched off.
The limit of 4 °C is fixed for the unit frost protection function and
cannot be changed.
Summary of Contents for KaCool D AF
Page 103: ......