Pentair NT Series installation manual Temperature Setting

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Section IV. Operation

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• HEATING

The heating light is on any time the thermostat has signaled a call for heat which initializes the ignition safety circuit — the light comes on indicating successful firing of the main burners and stays on until the pool/spa reach the water temperature setting.

• SERVICE

The service light is off during normal operation of heater. The light only comes on if a problem with a control has occurred or when the heater is first firing. The problem must be investigated by the technician prior to attempts to fire the heater again.

TEMPERATURE SETTING

The heater comes factory set at 78° F. for the pool mode and 100° F. for the spa mode, using the up and down arrows, you can set the thermostats to a minimum temperature of 65° F., or a maximum of 104° F. If you desire to heat only one body of water, the thermostat is capable of an off mode. As an example, if you only wish to heat the spa and not the pool, simple depress and hold the pool down arrow, and the thermostat will lower its setting to 65° F. then go to an off mode. If there is a remote system connected to the heater, please see the special thermostat setting features under Heating Mode Selection & Remote mode.

HEATING MODE SELECTION

1.Off Mode: The heater will not come on. NOTE: The "Off" display on the Digital Display Temperature Controller does not mean that the heater is off. It only states that the pool or spa thermostat has been turned off.

2.Spa Mode: The heater will operate and heat the spa to the desired temperature.

3.Pool Mode: The heater will operate and heat the pool to the desired temperature.

4.Remote Mode: The DDTC is compatible with two and three wire remote control systems. In order to operate by a remote control system, the REMOTE mode must be selected on the front panel. When the REMOTE mode is selected, the REMOTE LED will light up.

REMOTE CONTROL

THE TWO-WIRE REMOTE CONTROL SYSTEM is typically installed and connected to the heater for spa heating. The two-wire remote system is usually provided with a water temperature sensor that monitors the system temperature and turns the heater on or off in response to the temperature of the spa. To heat a spa, it should be connected to terminals J6 and J8. Pool heating remote control would require connecting to terminals J5 and J8. If the REMOTE mode is set at the front panel LED light, the DDTC will respond to a contact closure by remote system and heater will operate until the remote system temperature setting is satisfied.

NOTE: With this type of two-wire remote, with its own temperature sensors and system control, using the up arrows on the front of the DDTC, hold down the up arrow until you reach the maximum setting of 104° F., this allows the remote system thermostat to operate the heater at any set-point below 104° F., the heater thermostats then act as a secondary controller if water temperature reaches 104° F.

THE THREE-WIRE REMOTE CONTROL SYSTEM will be connected to terminals J5, J6 & J8. J8 is the common terminal. If the heater is in the REMOTE mode, the DDTC will monitor the terminals and respond to a contact closure between J5 & J8 or J6 & J8. A contact closure between J5 & J8 will cause the DDTC to switch to the POOL setting and control the heater to the DDTC pool set-point temperature. A contact closure between J6 & J8 will cause the DDTC to switch to the SPA setting and control the heater to the DDTC spa set-point temperature. If only heating the spa, then depress the pool down arrow until the display goes to “Off”.

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 InstructionsValves Below Pool InstallationBelow or Above Pool Installation Plumbing ConnectionsReversing 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 phaseMiniMax NT TSI & STD W/DDTC Wiring Diagram Wiring DIAGRAM-NT STD & TSI with DdtcMinimax NT HSI Electronic Ignition LIGHTING/OPERATION Basic System OperationThermal Fuse Safety ControlsVacuum AIR Pressure FAN Switch Water Pressure SwitchFailure to Light the BURNER-LOCK OUT Heat ModeHigh Limits Operation of Ignition ModuleSystem 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 dinstallationsRaccords DE Plomberie SoupapesDérivation Manuelle Collecteurs réversibles Raccordements DES Conduites DeauRaccords dentrée et de sortie réversibles, suite Installations DE LA Conduite DE GAZ Raccordement DES Conduites DE GAZCollecteurs DE Sédiment 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 Admission Dair DE Combustion Adaptateurs DaérationConvient À Tous LES Modèles 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 FonctionnementFusible Thermique Contrôles DE SécuritéCommutateur Ventilateur DE Pression DU Vide Dair Commutateur DE Pression DeauÉchec DE LA Flamme Rallumage Mode ChaleurHautes Limites Verrouillage EN CAS Déchec DallumageTémoins 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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