Pentair NT Series installation manual Important Notices, Warranty Information

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Section II. Introduction

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Introduction

MiniMax® NT Series

Pool and Spa Heaters

Congratulations on your purchase of a MiniMax NT high performance heating system. Proper installation and service of your new heating system and correct chemical maintenance of the water will ensure years of enjoyment. The MiniMax NT is a compact, lightweight, efficient, induced-draft, gas fired high performance pool and spa heater that can be directly connected to schedule 40 PVC pipe. The MiniMax NT also comes equipped with the Pentair multifunction temperature controller which shows, at a glance,

the proper functioning of the heater. All MiniMax NT heaters are designed with a direct ignition device, HSI (hot-surface ignition), which eliminates the need for a standing pilot. The MiniMax NT requires an external power source (120/240 VAC 60 Hz) to operate.

This instruction manual provides operating instructions, installation and service information for the MiniMax NT high performance heater. The information in this manual applies to all MiniMax NT models. It is very important that the owner/installer read and understand the section covering installation instructions, and recognize the local and state codes before installing the MiniMax NT. History and experience has shown that most heater damage is caused by improper installation practices.

IMPORTANT NOTICES

...For the installer and operator of the MiniMax NT pool and spa heater. The manufacturer’s warranty may be void if, for any reason, the heater is improperly installed and/or operated. Be sure to follow the instructions set forth in this manual. If you need any more information, or if you have any questions regarding to this pool heater, please contact Pentair Water Pool and Spa, Inc. at (800) 831-7133.

WARRANTY INFORMATION

The MiniMax NT pool heater is sold with a limited factory warranty. Specific details are described on the warranty registration card which is included with the product. Return the warranty registration card after filling in the serial number from the rating plate inside the heater.

Pentair Pool Products’ high standards of excellence include a policy of continuous product improvement resulting in your state-of-the-art heater. We reserve the right to make improvements which change the specifications of the heater without incurring an obligation to update the current heater equipment.

These heaters are designed for the heating of swimming pools and spas, and should never be used as space heating boilers, general purpose water heaters, in non-stationary installations, or for the heating of salt water. The manufacturer’s warranty may be void if, for any reason, the heater is improperly installed and/or operated. Be sure to follow the instructions set forth in this manual.

CAUTION

OPERATING THIS HEATER CONTINUOUSLY AT WATER TEMPERATURE BELOW 68° F. WILL CAUSE HARMFUL CONDENSATION AND WILL DAMAGE THE HEATER AND VOID THE WARRANTY. Do not use

the heater to protect pools or spas from freezing if the final maintenance temperature desired is below 68° F., as this will cause condensation related problems.

Rev. E 4-15-05

P/N 472235

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Contents MiniMax NT 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 Sediment Traps GAS Line InstallationsGAS Connections Pipe Sizing for GAS Line Connections GAS Pipe SizingGAS Pressure Requirements Testing GAS PressureIndoor Venting General Requirements Outdoor Shelter Installation Canada Indoor Installation USA onlyFits ALL Models Combustion AIR SupplyVent Adaptors 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 phaseMiniMax NT TSI & STD W/DDTC Wiring Diagram Wiring DIAGRAM-NT STD & TSI with DdtcMinimax NT HSI Electronic Ignition LIGHTING/OPERATION Basic System OperationVacuum AIR Pressure FAN Switch Safety ControlsWater Pressure Switch Thermal FuseHigh 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 BalanceFor Stdonly only Replacement PartsRev. E Rev. E NT TSI w/DDTC 400 Model Starting w/Serial No Rev. E Rev. E Rev. E Pentair Water Pool and Spa, Inc Chauffe-eau pour piscine et spa MiniMax NT Guide Dinstallation ET DE FonctionnementService Clients Table des matières Information Pour Lidentification DU CHAUFFE-EAU Information Pour Lidentification DU CHAUFFE-EAUGarantie Consignes ImportantesConformité AUX Codes Information ET Recommandations À Lintention DU ConsommateurSpécifications Consignes dinstallationsDérivation Manuelle Raccords DE PlomberieSoupapes Collecteurs réversibles Raccordements DES Conduites DeauRaccords dentrée et de sortie réversibles, suite Collecteurs DE Sédiment Installations DE LA Conduite DE GAZRaccordement DES Conduites DE GAZ Mesure DES Tuyaux Pour Raccords D’ARRIVÉE DE GAZ Dimension DES Tuyaux DE GAZLe côté admission de la soupape de gaz Vérification DE LA Pression DE GAZVentilation Intérieur Exigences Générales Installation Intérieure États-Unis Uniquement Convient À Tous LES Modèles Admission Dair DE CombustionAdaptateurs Daération Conseils Pour Linstallation Intérieur DU Minimax NT Terminaison de la ventilation Ensemble DE Ventilation Pour LextérieurClassement électrique 60 Hz 120/240 Volts c.a. monophasé Raccordements ÉlectriquesWire Color Couleur DU Cable Fonctionnement Générale DU Système Consignes de FonctionnementCommutateur Ventilateur DE Pression DU Vide Dair Contrôles DE SécuritéCommutateur DE Pression Deau Fusible ThermiqueHautes Limites Mode ChaleurVerrouillage EN CAS Déchec Dallumage Échec DE LA Flamme RallumageTémoins Indicateurs DU Système Thermostat À Affichage NumériqueSection IV. Fonctionnement Réglage DU Thermostat Réglage DE LA Temperature Dépannage Thermostat a Affichage Numerique Consignes DE DépannageVerifications Dentretien Module Dallumage Consignes DE DépannageSoupape DE Surpression Conseils Pour Économies DénergieFonctionnement EN Hiver Fonctionnement AU Printemps ET EN AutomneEAU DE Piscine ET DE SPA Équilibre Chimique DE LeauOnly Pièces DE RemplacementRev. E Pièces de Rechange pour La Série de Pièces DE Remplacement Rev. E Annote Annote Veuillez Concerver CE Guide Dinstruction

NT Series specifications

Pentair is a renowned name in the realm of water filtration and fluid management solutions, and the NT Series stands out as a key player in their extensive product lineup. Engineered for optimal performance and reliability, the NT Series showcases innovative features and technologies that cater to various water treatment needs.

One of the defining characteristics of the Pentair NT Series is its exceptional filtration capabilities. These filters are designed to effectively remove sediments, chlorine taste and odor, and other contaminants, ensuring clean and safe drinking water. With a multi-stage filtration process, the NT Series utilizes advanced materials and technologies that enhance filtration efficiency and longevity.

The NT Series is equipped with advanced filter media that can capture particles as small as 0.5 microns. This level of filtration is essential for households and commercial applications, where water quality is paramount. The filters are also designed for easy replacement, ensuring minimal downtime and ease of maintenance for users.

Another prominent feature of the NT Series is its compact design, making it suitable for various installation spaces. The filters are engineered to maximize flow rate while maintaining high filtration efficiency, ensuring that users do not experience reduced water pressure. This balance of performance and design is integral, especially in demanding applications.

Moreover, the NT Series incorporates innovative technology to monitor filter life and performance. Several models come with built-in sensors that provide real-time data on filter conditions, allowing users to know when it's time for a replacement. This proactive approach to maintenance enhances user experience and ensures continued access to high-quality water.

The materials used in the NT Series are also noteworthy. Constructed from durable, corrosion-resistant components, these filters are designed to withstand harsh operating conditions while maintaining peak performance over time. This enhances the overall lifespan of the product, providing users with a reliable and long-lasting solution for their water filtration needs.

In summary, the Pentair NT Series represents a blend of advanced filtration technology, user-friendly design, and durable construction. With its ability to remove various contaminants, easy maintenance features, and compact design, the NT Series caters to residential and commercial users alike. Investing in the NT Series ensures access to clean, great-tasting water while enjoying the benefits of reliable and efficient filtration technology.
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