Using This Guide - Honeywell T8665C EnergyPro Owner's Manual

USING THIS GUIDE

The T8665C,D,E Communicating Thermostat
uses two-way radio frequency (RF) to send and
receive information. This information can be
used to make changes to your thermostat
settings, or settings from your Energy Utility.
The following symbols will help you identify the
features that apply to your system:
HEAT PUMP
69-1538
- Tip symbol. Look for helpful
tips throughout this guide
when you see this symbol.
- Compressor with the word,
Heat Pump, below.These
features are availble when
used with a heat pump.