Argo AEI1G 42 EMX, Технические данные и руководство по обслуживанию

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The are two possible defrost type:
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hot gas bypass defrost
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reverse cycle defrost
If jumper JP2 is closed, the unit will automatically decide which type of defrost is necessary to run.
If jumper JP2 is open, the hot gas bypass defrost is disabled and the defrost cycles will be done only
with the reverse cycle method.
The hot gas bypass defrost is also disabled if OAT falls below 2°C.
When defrost is active:
-
4-way valve is deactivated (reverse cycle type) or defrost valve is opened (hot gas bypass type)
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Compressor runs at a fixed speed (if no protection is active)
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EEVs are open at a fixed value
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Fan is off
When defrost ends:
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4-way valve is reactivated (reverse cycle type) or defrost valve is closed (hot gas bypass type)
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EEV are opened at a fixed value for 5 minutes