Introducció
This manual provides instructions for the EcoSmart THRM SML Thermistor, a critical component designed for temperature sensing and control in tankless electric water heaters. It is compatible with EcoSmart 8kW, 11kW, and 13kW models. Please read this manual thoroughly before installation or maintenance.
Informació de seguretat
Adhering to safety precautions is essential to prevent injury or damage to the product and property.
- Always disconnect power to the water heater at the circuit breaker before attempting any installation, maintenance, or repair. Verify power is off using a voltage provador.
- Si no esteu segurs de cap pas, la instal·lació l'ha de dur a terme un professional qualificat.
- Refer to your water heater's main instruction manual for specific safety guidelines and detailed wiring diagrams.
- Ensure all electrical connections are secure and properly insulated to prevent electrical hazards.
- Utilitzeu equips de protecció individual adequats, com ara guants i ulleres de seguretat, durant la instal·lació.
Contingut del paquet
Si us plau, verifiqueu que tots els elements siguin presents al vostre paquet:
- EcoSmart THRM SML Thermistor with Inlet/Outlet Wires
- Two (2) O-rings for sealing

Image 1: The EcoSmart THRM SML Thermistor, showing the thermistor probes with red and yellow wires, and two black O-rings for sealing.
Configuració i instal·lació
The EcoSmart THRM SML Thermistor is designed for specific EcoSmart tankless electric water heater models (8kW, 11kW, and 13kW). Follow these steps carefully for proper installation:
- Desconnexió d'alimentació: Turn off the main power supply to the water heater at the circuit breaker. Verify power is off using a voltage provador abans de continuar.
- Eliminació del panell d'accés: Locate and carefully remove the access panel on your tankless water heater to expose the internal components. Refer to your water heater's specific manual for detailed panel removal instructions.
- Locate Existing Thermistor: Identify the existing thermistor(s). Tankless water heaters typically have two thermistors: one for the inlet and one for the outlet. Note which wire corresponds to which location.
- Disconnect Old Thermistor: Carefully disconnect the wires from the old thermistor and then remove the thermistor from its port. Be prepared for a small amount of residual water.
- Instal·leu un termistor nou: Insert the new EcoSmart THRM SML Thermistor into the designated port. Ensure that the provided O-ring is properly seated around the thermistor probe to create a watertight seal.
- Connecteu els cables: Connect the thermistor wires to the appropriate terminals on the water heater's control board. The thermistor typically features a male-to-female connector. Ensure a secure and firm connection.
- Panell segur: Carefully replace the access panel and secure it with its original fasteners.
- Restaura l'alimentació: Torneu a encendre l'alimentació principal a l'interruptor.
- Funcionalitat de prova: Monitor the water heater's operation to ensure correct temperature sensing and heating. Check for any error codes or unusual behavior.
Funcionament
The EcoSmart THRM SML Thermistor functions as a precise temperature sensor within your tankless electric water heater. It continuously monitors the water temperature at both the inlet and outlet points, providing crucial data to the water heater's control system. This data enables the water heater to accurately regulate the activation and deactivation of its heating elements, thereby ensuring consistent and accurate hot water delivery according to your desired set temperature. It does not require direct user interaction for its operation.
Manteniment
Proper maintenance helps ensure the longevity and optimal performance of your thermistor and water heater.
- Inspecció visual: Periodically, during routine water heater maintenance, visually inspect the thermistor and its wiring for any signs of wear, corrosion, fraying, or physical damage.
- Comprovació de la connexió: Ensure all electrical connections to the thermistor remain secure and tight. Loose connections can lead to intermittent operation or inaccurate temperature readings.
- Neteja: Keep the area around the thermistor free from debris, dust, or mineral buildup, which could potentially affect its ability to accurately sense temperature.
- Verificació professional: If you suspect a malfunction or notice any unusual behavior from your water heater, it is advisable to consult a qualified technician for diagnosis and repair.
Resolució de problemes
If your water heater is displaying error codes related to temperature sensing or is not heating water correctly, the thermistor may require attention. Always disconnect power before inspecting components.
- No Hot Water / Inconsistent Temperature:
Possible causa: Faulty thermistor or loose connection.
Solució: Check thermistor connections for tightness. If the issue persists after ensuring secure connections, the thermistor may need replacement. - Codi d'error mostrat:
Possible causa: Specific error codes often indicate a sensor malfunction.
Solució: Consult your water heater's main manual to interpret specific error codes. If the code points to a thermistor issue, replacement may be necessary. - Water Too Hot or Too Cold:
Possible causa: Inaccurate temperature reading from the thermistor.
Solució: Verify the thermistor is correctly installed and free from obstructions or mineral buildup. If readings are consistently off, consider replacement.
For complex issues or if troubleshooting steps do not resolve the problem, it is recommended to contact EcoSmart customer support or a certified technician.
Especificacions
| Característica | Detall |
|---|---|
| Marca | EcoSmart |
| Nom del model | Ecosmart THRM SML Thermistor |
| Número de part | THRM SML |
| Dispositius compatibles | 8kW, 11kW, 13kW Water Heaters |
| Usos recomanats | Temperature sensing and control in tankless electric water heaters |
| Tipus de connector | 3 Pin |
| Tipus de cable | Coaxial |
| Nombre de pins | 2 |
| Connector Gènere | Mascle a Dona |
| Pes de l'article | 0.02 quilograms (0.528 unces) |
| Dimensions del producte | 0.1 x 0.1 x 10 polzades |
| Volum màximtage | 1 Volts |
| Ús interior/exterior | Interior |
| Components inclosos | Thermistor, Inlet and Outlet Wires |
Garantia i Suport
For detailed warranty information, technical support, or to inquire about replacement parts, please refer to the official EcoSmart weblloc web o contacteu directament amb el seu departament d'atenció al client. Es recomana conservar el rebut de compra com a comprovant de compra per a qualsevol reclamació de garantia.
EcoSmart Contact Information:
- Weblloc: www.ecosmartus.com
- Atenció al client: Si us plau, visiteu l’oficial weblloc web per obtenir les dades de contacte més actualitzades, inclosos els números de telèfon i el correu electrònic d'assistència.