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White Rodgers 1E78 Non-Programmable Thermostat Installation Guide

This guide provides essential information for the proper installation and operation of the White Rodgers 1E78 Non-Programmable Thermostat.

About the White Rodgers 1E78 Thermostat

The White Rodgers 1E78 is a versatile non-programmable thermostat designed for various heating and air conditioning systems. It offers reliable temperature control and is compatible with a wide range of system types, including standard gas, oil-fired, electric heat, and heat pump systems. This document outlines the installation process, system compatibility, wiring diagrams, and operational checks to ensure optimal performance.

For detailed compatibility, refer to the system compatibility chart provided. Key features include easy-to-understand wiring instructions, troubleshooting tips, and specifications for electrical and thermal data.

Key Features and Operation

System Compatibility: Supports a broad spectrum of HVAC systems.
Installation: Step-by-step instructions for removing old thermostats and mounting the new unit.
Wiring: Clear diagrams for various system configurations (heat only, cool only, heat/cool, heat pumps).
Operation: Guidance on setting temperature, fan control, and system modes (HEAT, COOL, OFF).
Display: Information on the thermostat display, including temperature readings, mode indicators, and low battery alerts.
Adjustments: Options for temperature display adjustment and display backlight settings.
Troubleshooting: Solutions for common issues such as no heat/cool/fan, constant operation, and cycle rate problems.

Important Safety Information

CAUTION: Always disconnect electrical power at the main fuse or circuit breaker before installation to prevent electrical shock and equipment damage. Ensure all wiring conforms to Class II circuits per NEC code. Do not operate the cooling system if the outdoor temperature is below 50°F.

Mercury Notice: This product does not contain mercury. However, if replacing a unit that contains mercury, do not open mercury cells. Dispose of mercury-containing units responsibly. Visit www.white-rodgers.com for disposal information.

Specifications

Electrical Rating: 0 to 30 VAC, 50/60 Hz; 0.05 to 1.0 Amps (Load per terminal); 1.5 Amps Maximum Total Load.
Setpoint Temperature Range: 45°F to 90°F (7°C to 32°C).
Operating Ambient Temperature: 32°F to 105°F.
Operating Humidity: 0 to 90% RH (non-condensing).

Resources

For further assistance or product information, please visit the White Rodgers website at www.white-rodgers.com or www.emersonclimate.com.

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