Pentair 300, 250 installation manual Minimax NT LOW NOx Heater Single Voltage

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MINIMAX NT LOW NOx HEATER - (Single Voltage)

MiniMAX NT Low NOx, Single Voltage (Manufactured Date Prior to October 15, 2001)

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Rev. C 11-1-01

P/N 471593

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Contents For additional free copies of this manual call 800 MiniMax NT Low NOx SeriesTable of Contents Code Requirements MiniMax NT Low NOxWarranty Information Safety RulesOperation Operation Lighting For Your Safety Read Before LightingSpecifications Installation InstructionsELECTRICAL, ALL HSI Units Installation ElectricalTWO-WIRE or THREE-WIRE Remote HOOK-UP Wire RemoteInstallation Remotes Three-wire remote Wiring Installation Single VoltageVoltage Installation SingleMiniMax NTLow Code or Superceding Local Wiring CodesWater Connections PlumbingPlumbing Connections GAS Connections Indoor VENTING-General Requirements Installation IndoorSee page 17 for Indoor Vent Adaptors Indoor Vent Adaptors Fits ALL Models Indoor InstallationVentilation Installation OutdoorGeneral Description Basic System OperationBasic Operation AIR Pressure FAN Switch Safety ControlsWater Pressure Switch Typical Water Pressure SwitchOperation of Ignition Module General Pentair Temperature Controller 7800 LayoutBasic Thermostat Operation Normal Operation no RemoteTo Change the Factory Temperature Settings Time SettingTemperature & Time Setting Programming Time Setting Programming Time SETTING, cont’dMaintenance Maintenance InstructionsEnergy Saving Tips Spring and Fall OperationChemical Balance Maintenance Water TreatmentPool and SPA Water If pH becomes too high over alkaline, it has these effectsNormal Operation Sequence Troubleshooting-Normal Operation Sequence of HeaterPower Service Current Temp SET TEMP/TIME Troubleshooting-Normal Operation of Heater Troubleshooting & Service Service CHECKS-IGNITION Module Service ChecksFlame Sensor Current Check Heater Short Cycling Rapid On and Off Operation Troubleshooting GeneralMinimax NT LOW NOx Heater Single Voltage Description QTY Minimax NT LOW NOx Heater Dual Voltage MiniMax NT Low NOx Dual Voltage Replacement parts Rev. C Rev. C Rev. C MiniMax NT Low NOx Heaters Limited Warranty