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Replacing the current spa controller with a custom wifi controlled controller.

Control Board

Verison 1

Schematic

Board Layout


Version 2

Changes

  • Move Flow sensor to ADC on CH7 in order to free up GPIO 0 
  • Use GPIO to trigger light relay

Schematic

Board Layout

Pump

Specifications

Waterway Executive 48 2.0 HP pump


Description

2.0HP Waterway Executive 48 Spa Pump, 2 Speed   

Waterway OEM part # 3420820-1A

2.0" intake and 2.0" discharge, (Measures 3" outside to outside)

Voltage

220-240volt

High Speed Details

10.5 Amps high speed (3450 RPM) 

2.5KW
Low Speed Details

2.8 Amps low speed (1725 RPM)

0.67KW

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