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Enter System Setup - Honeywell RTHL221 series Quick Installation Manual

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Table of Contents
RTHL2310/RTHL221
System setup

Enter System Setup

To enter system setup, press and hold both the s and
t buttons until the display changes (approximately 5
seconds).
Fan
Heat Off Cool
Auto On
M32713
13
69-2578EF—01

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This manual is also suitable for:

Rthl 2310 series