Commissioning
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Hazard of lack of lubricant
Before connecting the cooling unit, let the cooling unit
stand for a minimum of 30 minutes to allow the lubricant to flow into
the compressor.
Failure to follow these instructions can result in equipment damage.
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When the cooling unit is connected, the evaporator fan starts.
For three-phase cooling units, if the phase order is incorrect, the oPd alarm code is displayed on the electronic thermostat. In this condition, the cooling unit is prevented from starting until the phases are correctly connected. The internal fan, however, will still operate because it is connected directly to the supply, and it will rotate in reverse.
If the temperature inside the enclosure is higher than the set value of the thermostat, the compressor and the condenser fan also start.
Once the air inside the enclosure reaches the set temperature, the compressor and condenser fan stop.
For more information about commissioning procedures, refer to Electronic Thermostat.