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Honeywell RTH111/RTH221 Thermostats

This document provides essential installation guidance for the Honeywell RTH111 and RTH221 series thermostats. These thermostats are designed to control a variety of heating and cooling systems, including gas, oil, and electric furnaces, central air conditioners, hot water systems, and millivolt systems.

Key features and installation steps covered include:

System compatibility overview
Safety precautions and electrical hazard warnings
Step-by-step instructions for removing old thermostats and installing the new wallplate.
Wiring diagrams and terminal identification.
Fan operation settings and battery installation.
Configuration menu for personalizing thermostat settings.

Please note that this is a legacy product document, no longer manufactured by Honeywell but supported by Resideo. It is not compatible with heat pumps or multi-stage systems.

Models: RTH111, RTH221, Programmable and Non-programmable Thermostats

File Info : application/pdf, 8 Pages, 1.14MB

69-2060EFS Acrobat Distiller 9.4.5 (Windows)

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