This guide provides essential information for the Honeywell RTH7500D Programmable Thermostat, designed for electronic control of 24 Vac heating and cooling systems or 750 mV heating systems.
For assistance, visit www.honeywell.com/yourhome or contact Honeywell Customer Care toll-free at 1-800-468-1502.
Installation Overview
The guide details the installation process, including:
- Preparing for Installation
- Following Important Instructions
- Removing the Old Thermostat
- Following Special Instructions for wiring
- Labeling Old Thermostat Wires
- Mounting the New Wallplate
- Connecting Wires
- Installing Batteries
- Attaching the New Thermostat
- Configuring Installer Setup
Important Installation Notes
- Always turn off power to your heating and/or cooling system before installation.
- Do not connect wires based on color; use the provided wire labels for correct identification.
- Special instructions are provided for handling C and/or C1 wires, and for wires not connected to the old thermostat.
Customer Support and Warranty
Refer to the guide for customer assistance details and information on the Limited One-Year Warranty.
