Pentair installation manual MiniMax NT LN Series

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MiniMax NT® LN Series

Pool & Spa Heaters

OPERATION & INSTALLATION MANUAL

U.S. Patent Numbers

6,295,980

5,318,007 - 5,228,618

5,201,307 - 4,595,825

To

Consumer

Retain For

Future

Reference

WARNING

FOR YOUR SAFETY - READ BEFORE OPERATING

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

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.

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

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.

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

Pentair Water Pool and Spa, Inc.

1620 Hawkins Ave., Sanford, NC 27330 (919) 566-8000

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

Rev. E 4-19-05

P/N 472089

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Contents MiniMax NT LN Series Customer Service Table of Contents Heater Identification Information HIN Heater Identification InformationImportant Notices Warranty InformationCode Requirements Consumer Information and SafetySpecifications Installation InstructionsBelow or Above Pool Installation Below Pool InstallationPlumbing Connections ValvesReversing Headers Water ConnectionsReversible Inlet/Outlet Connection, cont’d GAS Connections GAS Line InstallationsSediment Traps Pipe Sizing for GAS Line Connections GAS Pipe SizingGAS Pressure Requirements Testing GAS PressureIndoor Venting General Requirements Outdoor Shelter Installation Canada Indoor Installation USA onlyVent Adaptors Combustion AIR SupplyFits ALL Models Indoor Installations Minimax NT Venting Guidelines Outdoor Vent KIT Outdoor Installation Venting Guidelines Side ViewElectrical Connections Electrical Rating 60 Hz 120 / 240 Volts AC, single phaseWire Color Minimax NT LN HSI Electronic Ignition LIGHTING/OPERATION Basic System OperationVacuum AIR Pressure FAN Switch Safety ControlsWater Pressure Switch LOW GAS Pressure SwitchHigh Limits Heat ModeOperation of Ignition Module Failure to Light the BURNER-LOCK OUTSystem Indicator Lights Digital Display Temperature Controller DdtcSection IV. Operation SET UP Temperature Setting Troubleshooting Ddtc Troubleshooting InstructionService CHECKS-IGNITION Module Troubleshooting GeneralEnergy Saving Tips Maintenance InstructionWinter Operation Spring and Fall OperationPool and SPA Water Chemical BalanceReplacement Parts NT LN w/DDTC Rev. E Rev. E Pentair Water Pool and Spa, Inc