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Waterway

NEO 1500 and NEO 2100

Electric Spa Control System

Waterway NEO 1500 and NEO 2100 electric spa control family with shared panel operation and diagnostics, configurable filter and no-heat schedules, optional Wi-Fi and Bluetooth modules, and model-specific wiring configurations.

Waterway NEO 1500 and NEO 2100 Spa Control Systems
Permanent supply; controller diagrams cover 115/120 V and 230/240 V configurations
Voltage

Specifications

Connectivity
ProtocolOptional Waterway Wi-Fi and Bluetooth modules
Operation ModeFour filter cycles, No Heat Time, equipment timeouts, panel lock, temperature lock, and menu lock
Electrical
VoltagePermanent supply; controller diagrams cover 115/120 V and 230/240 V configurations
Required ProtectionClass A GFCI or RCD required; CSA Type 2 enclosure
Typical 230 V SetupPump 12 A; heater 5.5 kW; equipment rating 48 A
Typical 115 V SetupPump 10 A; heater 1.0 kW; equipment rating 15 A
Physical
Horizontal ClearanceEquipment and controls at least 1.5 m horizontally from the spa or hot tub
Service RestrictionNo user-serviceable control parts; installation by a licensed electrician; Service Mode is for authorized dealers and spa manufacturers

Pros & Cons

Pros

  • The NEO 1500 and 2100 manuals use the same operator-facing diagnostic messages.
  • Four filter-cycle schedules and a No Heat Time can be configured from the panel.
  • Optional Wi-Fi and Bluetooth functions are documented in the manuals.

Watchouts

  • Wiring and connected-load configurations vary by control pack and must be matched to the specific diagram.
  • Service Mode is restricted to authorized dealers and spa manufacturers.
  • The control system contains no user-serviceable parts and requires licensed electrical installation.

Error Codes & Troubleshooting

Plumbing Error
Sensor 1 and Sensor 3 are connected to the wrong controller plugs; swap the two plugs as directed by the manual.
Insufficient Flow
No water flow through the heater, or no water in the heater; verify adequate water flow.
Low Flow
Verify adequate water flow through the heater.
Water Overheat
Water reached 110°F / 43°C; wait for the water to cool.
Heater Overheat
Heater reached 118°F / 48°C; wait for cooling and verify adequate flow through the heater.
Potential Freeze
Sensor 1, 2, or 3 detected low temperature; jets and blowers activate automatically until all three sensors reach the target temperature.
Sensor 1 / 2 / 3 Fault (Open)
Check the named sensor connection.
Sensor 1 / 2 / 3 Fault (Short)
Check the named sensor connection or replace that sensor.

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