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12) Alarm output
On the PCB is an alarm output which makes contact with an alarm when an error has occurred, at
this
contact a detector can be connected to alert an alarm system or SMS (GSM).
13) Compressor operating mode
If the compressor is running, the compressor symbol will be displayed right below on the display, in
turn this will disappear.
The compressor operates only in the day-time as the temperature is exceeded and in the night-time
when the relative humidity set is exceeded.
14) Heaters active mode
If the heaters are turned on the hot air symbol below will be shown on the display, in turn this will
disappear.
The heaters operate only at night-time when the temperature is below the set value.
15) Fan outdoor unit operates.
When this symbol appears on the display, the fan (s) on the outdoor unit are turned on.
When switching off, the fan (s) symbol will disappear. The fan (s) on the outdoor unit will only run
when needed.
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