Introdución
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Emerson 1E78-140 Non-Programmable Heat Only Thermostat. Please read this manual thoroughly before installation and use to ensure proper function and safety.
The Emerson 1E78-140 is designed for use with most single-stage heat-only systems, including 24-volt and millivolt systems. It is not compatible with electric baseboard heat or certain other systems.
Configuración e instalación
Ferramentas necesarias
- Desaparafusador
- Furar (se se precisan novos orificios de montaxe)
- Pelacables (se é necesario)
Eliminar o vello termostato
- Turn off power to your heating system at the main fuse or circuit breaker panel.
- Retire a tapa do termostato antigo.
- Take a photo of the existing wiring connections for reference.
- Disconnect the wires from the old thermostat terminals, noting which wire was connected to each terminal.
- Remove the old thermostat base from the wall.
Montaxe do novo termostato
- Separe a tapa frontal da base do termostato.
- Position the new thermostat base on the wall. Use the provided screws and anchors to secure it.
Cableado
Importante: Ensure power is off before wiring. This thermostat is for 2-wire heat-only systems. Connect wires only to R and W terminals.
Refer to the wiring diagram below. Identify each wire attached to the old thermostat by taking a photo of old wiring.
Image: Wiring diagram for the Emerson 1E78-140 thermostat. It illustrates connections for 2-wire heat-only systems to R and W terminals. The image also shows two AAA Energizer batteries and various mounting screws and anchors included with the thermostat. A caution notice regarding battery life and freeze hazard is visible.
- Connect the wire from your heating system's R terminal to the R terminal on the thermostat.
- Connect the wire from your heating system's W terminal to the W terminal on the thermostat.
Instalación de baterías
The thermostat requires two AAA batteries for operation. Install the batteries into the compartment located on the back of the thermostat, observing the correct polarity (+/-).
Imaxe: Fronte view of the Emerson 1E78-140 thermostat. The digital display shows "70" as the current temperature. To the right of the display are two gray buttons for adjusting the temperature up and down. Below the Emerson logo, a system switch is visible, set to "OFF HEAT".
After wiring and battery installation, attach the thermostat front cover to the base.
Turn on power to your heating system at the main fuse or circuit breaker panel.
Instrucións de funcionamento
Conmutador de sistema
The system switch is located on the front of the thermostat. It has two positions:
- OFF: Turns the heating system off.
- CALENTACIÓN: Activa o sistema de calefacción para manter a temperatura configurada.
Axuste da temperatura
Use the Up (▲) and Down (▼) buttons located next to the digital display to adjust your desired temperature setting. The thermostat will maintain this temperature with a precision of plus/minus 1 degree Fahrenheit.
Retroiluminación
The digital display features a backlight for improved visibility, especially in low-light conditions. The backlight activates when buttons are pressed.
Mantemento
Substitución da batería
When the "Change Battery" indicator (a battery icon) is displayed on the screen, the batteries have limited remaining life and should be replaced soon. The system will not operate with dead batteries.
- Retire a tapa do termostato.
- Retire as pilas AAA vellas.
- Introduza dúas pilas alcalinas AAA novas, asegurándose de manter a polaridade correcta.
- Coloque a tapa do termostato.
Limpeza
Limpar o termostato cun suave, damp pano. Non use produtos de limpeza ou disolventes abrasivos.
Resolución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| A pantalla está en branco ou escura. | Pilas esgotas ou baixas. | Substitúe as dúas pilas AAA. |
| O sistema de calefacción non acende. |
|
|
| "Change Battery" icon displayed. | Batería baixa. | Replace the two AAA batteries promptly. |
Especificacións
| Característica | Detalle |
|---|---|
| Marca | Emerson |
| Número de modelo | 1E78-140 |
| Tipo de controlador | Pulsador |
| Característica especial | Visualización de temperatura |
| Tipo de control de temperatura | Manual |
| Compoñentes incluídos | Thermostat, Temperature Sensor |
| Fonte de enerxía | Electric (2 AAA batteries for display/control) |
| Voltage | 24 Volts (for system operation) |
| Tipo de visualización | LED |
| Método de control | Toque (botóns) |
| Tipo de montaxe | Soporte de parede |
| Estilo | Dixital |
| Retroiluminación | Si |
| Compatibilidade | A maioría dos solteirostage heat-only systems (24V and millivolt). Not compatible with electric baseboard heat. |
| Precisión | +/- 1 degree F |
Imaxe: Un lado view of the Emerson 1E78-140 thermostat, held in a hand for scale. The image indicates the thermostat's height is 5.5 inches (14 cm).
Información da garantía
Specific warranty details for the Emerson 1E78-140 thermostat are typically provided with the product packaging or can be obtained directly from the manufacturer, Emerson. Please refer to the documentation included in your product box or visit the official Emerson websitio web para coñecer os termos e condicións de garantía máis actuais.
Atención ao cliente
For technical assistance, troubleshooting beyond this manual, or inquiries regarding your Emerson 1E78-140 thermostat, please contact Emerson customer support. Contact information can usually be found on the product packaging or on the official Emerson websitio.
