Pentair MiniMax NT LN installation manual Water Connections, Reversing Headers

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Section III. Installation

9

 

 

WATER CONNECTIONS

Reversing Headers —

Reversible Inlet/Outlet Connection

The MiniMax NT LN Series heater is factory assembled with right side inlet/outlet water connections. The inlet/outlet header can be reversed for left side water connections without removing the heat exchanger.

Reversing Water Connections

Tools required:

Phillips Screw Driver

9/16 in. Socket and Wrench 1/2 in. & 9/16 in. Open Wrench

1.Remove the right and left large access doors. It is not necessary to remove the top of the heater to gain access to the headers.

2.Disconnect all wires from the high-limit switches except the short jumper wire.

NOTE

Do NOT remove the high-limit and pressure switches or the thermistor from the front header during the reversing procedure, as they will be in the proper location when installed on the left side.

3.Disconnect the water pressure switch wiring.

4.Disconnect the temperature sensor wires from the circuit board and feed them back to the header.

5.Remove the 8 bolts holding the main inlet/outlet head.

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 Line Installations GAS ConnectionsSediment 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 onlyCombustion AIR Supply Vent AdaptorsFits 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