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Customer Assistance - Honeywell RTHL221 series Quick Installation Manual

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Table of Contents
Advanced Installation Guide
Troubleshooting
Temperature
settings do not
change
"Cool On" or
"Heat On" is
flashing
"Heat On" is
not displayed
"Cool On" is
not displayed

Customer assistance

For assistance with this product, please visit
http://yourhome.honeywell.com or call Honeywell
Customer Care toll-free at 1-800-468-1502.
69-2578EF—01
Make sure heating and cooling
temperatures are set to acceptable
ranges:
• Heat: 40° to 90°F (4.5° to 32°C).
• Cool: 50° to 99°F (10° to 37°C).
• Compressor protection feature is
engaged. Wait 5 minutes for the
system to restart safely, without
damage to the compressor.
• Set the System switch to Heat, and
set the temperature level above the
current room temperature.
• Set the System switch to Cool, and
set the temperature level below the
current room temperature.
22

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This manual is also suitable for:

Rthl 2310 series