Electrical Connections - Astralpool 65321 Manual Del Usuario

2. ELECTRICAL CONNECTIONS

Image 1: electrical connection
Note: some manufacturers assign for the RS-485 port the "A" connection as a "+", and "B" as a "-",
while others reverses this nomenclature. The Compact Electric Heater uses the "A" as "+", and the "B"
as "-". Mind this aspect when connecting to the bus devices coming from different manufacturers.
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