Pentair 300, 250 installation manual MiniMax NT Low NOx Series

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MiniMax® NT Low NOx Series

POOL & SPA HEATERS

OPERATION & INSTALLATION MANUAL

WARNING

FOR YOUR SAFETY - READ BEFORE OPERATING

Warning: If you do not follow these instructions exactly, a fire or explosion may result, causing property damage, personal injury or loss of life.

For additional free copies of this manual; call (800) 831-7133.

To

Consumer

Retain For

Future

Reference

U.S. Patent Numbers 5,318,007 - 5,228,618 5,201,307 - 4,595,825

WARNING

Warning: Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or death. Installation and service must be performed by a qualified installer, service agency or the gas supplier.

For Your

Safety

WHAT TO DO IF YOU SMELL GAS

Do not try to light any appliance.

Do not touch any electrical switch; do not use any phone in your building.

Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.

If you cannot reach your gas supplier, call the fire department.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or other appliances.

 

 

Pentair Pool Products, Inc.

 

 

1620 Hawkins Ave., Sanford, NC 27330 (919) 774-4151

 

 

10951 W. Los Angeles Ave., Moorpark, CA 93021 (805) 523-2400

 

 

 

 

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 NOxSafety Rules Warranty InformationOperation Operation Lighting For Your Safety Read Before LightingSpecifications Installation InstructionsELECTRICAL, ALL HSI Units Installation ElectricalWire Remote TWO-WIRE or THREE-WIRE Remote HOOK-UPInstallation Remotes Three-wire remote Wiring Installation Single VoltageVoltage Installation SingleMiniMax NTLow Code or Superceding Local Wiring CodesPlumbing Water ConnectionsPlumbing Connections GAS Connections Indoor VENTING-General Requirements Installation IndoorSee page 17 for Indoor Vent Adaptors Indoor Vent Adaptors Fits ALL Models Indoor InstallationVentilation Installation OutdoorBasic System Operation General DescriptionBasic 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 RemoteTime Setting To Change the Factory Temperature SettingsTemperature & 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 HeaterTroubleshooting & Service Service Checks Service CHECKS-IGNITION ModuleFlame 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