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 Botanic Garden >> Gardening >  >> Question and Answer >> Irrigation

Connecting Flotec FP5172 Sprinkler Pump—Relay Required

New Flotec FP5172 pump for shallow well irrigation. Connect directly to 230V or use pump relay?

Required Setup

  1. 230V power supply to pump (constant)
  2. Pump start relay switched by controller (24VAC coil)
  3. Controller activates relay → relay closes 230V circuit → pump runs

Why Not Direct?

Controller only outputs 24VAC. Cannot switch 230V directly. Relay isolates low-voltage control from high-voltage pump power.

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