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Honeywell CT87N User Manual

Honeywell CT87N
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Owner’s Manual
English: Page 1
Mode d’emploi
Français: Page 6
Manual de Uso
Español: Página 11
CT87N Easy-To-See
TM
The Round
®
® U.S. Registered Trademark. U.S. Patents 7,159,789;
7,159,790; 7,476,988 and other patents pending.
Copyright © 2009, Honeywell International Inc.
All rights reserved.
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69-1919EFS-04
The Round
®
Easy-To - See
TM
CAUTION: TURN OFF POWER
Turn off power to system at the furnace, or at the fuse/circuit breaker panel
before you begin.
Remove cover and thermostat, but leave wallplate with wires attached.
MERCURY NOTICE
If your old thermostat contains
mercury, contact your local waste
management authority for proper
disposal instructions.
Is there a sealed tube containing
mercury? If so, see mercury notice
below.
Leave wallplate in place.
Old thermostat
Cover
Check package contents:
• Thermostat
• Largeprintsubbaseswitchlabels
• Coverplate
• Wallanchors&screws(2each)
• Wirelabels
• BrailleCard
Thermostat is for 24 Vac heating and
cooling systems
Before you begin, make sure
you have:
• No.2Phillips&smallpocket
screwdrivers
• Hammer
• Level(optional)
• Pencil
• Drillandbit(3/16”fordrywall,7/32”
forplaster)
Getting started
Remove your old thermostat
This thermostat contains a Lithium battery which may contain Perchlorate material.
Perchlorate Material—special handling may apply,
See www.dtsc.ca.gov/hazardouswaste/perchlorate
Question and Answer IconNeed help?

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Honeywell CT87N Specifications

General IconGeneral
TypeNon-programmable Thermostat
Temperature Control Range40°F to 90°F (4°C to 32°C)
Stages1 Heat/1 Cool
ColorWhite
DisplayAnalog
Voltage24VAC
MountingWall
Power SourceBattery (2 x AA)

Summary

Getting Started

Package Contents

Lists all items included in the thermostat package for installation.

Required Tools

Details the necessary tools for installation, such as screwdrivers and a drill.

Old Thermostat Removal

Safety and Removal Precautions

Emphasizes turning off power and handling mercury notice for old thermostats.

Wire Labeling and Wallplate

Wire Identification & Handling

Instructions on labeling wires by terminal letter, ignoring color, and handling loose wires.

Wire Count Guidance

Advice for thermostats with 7 or more wires, suggesting a wrong replacement model.

Thermostat Base Mounting

Base Installation Steps

Guide to pulling wires through the base, leveling, and marking screw holes.

Subbase & Base Installation

Drilling and Mounting

Details drilling holes, using anchors, and securing the coverplate/subbase.

Wiring Guide

Connecting Labeled Wires

Steps for matching labeled wires to terminal letters and securing them.

Wiring Compatibility Notes

Guidance on wiring connections, including special notes for R/Rc, O/B, and unused wires.

Fan Operation Settings

System Type Fan Control

Explains settings for controlling fan operation based on heating system type.

Cycle Rate Settings

Adjusting Cycle Rates

Instructions for setting cycle rate switches based on heating system type.

Final Thermostat Mounting

Attaching Thermostat & Power

Steps for attaching the thermostat to the base and restoring electrical power.

Thermostat Operation Overview

System & Fan Switch Functions

Describes the function of the system switch (Cool, Heat, Off) and fan switch (On, Auto).

Temperature Setting & Reading

Explains how to set the temperature and read the current indoor temperature.

Equipment Damage Warning

Cooling Operation Limit

Warns against operating the cooling system when outdoor temperature is below 50°F.

1-Year Limited Warranty

Warranty Terms & Conditions

Details Honeywell's warranty, limitations, and customer service contact information.

Customer Support

Help Resources

Provides website and phone number for customer assistance and product support.

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