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Honeywell Round T87K

Honeywell Round T87K
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Owner’s Manual
English: Page 1
Mode d’emploi
Français : Page 6
Manual de Uso
Español: Página 11
T87N/T87K
The Round
®
® U.S. Registered Trademark. US Patent
No. H0006769 and other patents pending.
Copyright © 2007 Honeywell International Inc.
All rights reserved.
69-1958EFS-1
The Round
®
Check package contents:
Thermostat
Wall anchors & screws (2 each)
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)
MERCURY NOTICE
If this product is replacing a control that contains mercury in a sealed tube, do not
place the old control in the trash. Contact your local waste management authority for
instructions regarding recycling and proper disposal.
CAUTION: ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before
beginning installation.
Must be installed by a trained, experienced technician
Read these instructions carefully. Failure to follow these instructions
can damage the product or cause a hazardous condition.
Pre-installation checklist
This manual covers the following models:
This thermostat contains a Lithium battery which may contain Perchlorate material.
Perchlorate Material—special handling may apply,
See www.dtsc.ca.gov/hazardouswaste/perchlorate
Heat-only T87K Heat and Cool T87N
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Honeywell Round T87K Specifications

General IconGeneral
BrandHoneywell
ModelRound T87K
CategoryThermostat
LanguageEnglish

Summary

Pre-installation Checklist

Package Contents

Lists items included in the thermostat package for verification before installation.

Required Tools and Materials

Lists necessary tools and materials required for thermostat installation.

Installation Safety Precautions

Highlights electrical hazards and mercury disposal instructions for safe installation.

Product Application

Compatible System Types

Details the types of heating and cooling systems the thermostat can control.

Fan Settings (T87 N)

Explains the available fan operation modes: Auto and On.

Technical Specifications

Provides operating ranges, humidity limits, and electrical ratings for the thermostat.

Installation Tips

Optimal Thermostat Placement

Recommends mounting the thermostat 5 feet above the floor in an area with good air circulation.

Locations to Avoid

Lists environmental factors and locations that can negatively affect thermostat accuracy.

Wallplate Installation

Wallplate Mounting Procedure

Step-by-step guide for installing the wallplate, including drilling and anchoring.

Wiring

Wiring Connections

Instructions for connecting wires to the terminal block and sealing the wall opening.

T87 N Terminal Designations

Defines the function of each terminal on the T87N model for wiring.

T87 K Terminal Designations

Defines the function of each terminal on the T87K model for wiring.

System Specific Wiring Notes

Covers R&Rc terminals, heat pump wiring, and wire specifications.

Fan Operation Settings (T87 N)

Fan Operation Switch Settings

Explains settings F and E for controlling fan operation with different heating systems.

Cycle Rate Settings

Cycle Rate Switch Configuration

Details how to set switches for various heating systems based on cycles per hour (CPH).

Thermostat Mounting

Attaching Thermostat to Base

Instructions on aligning slots and snapping the thermostat onto its base.

Operation

System Switch Operation

Explains the function of the System switch (Cool, Heat, Off) for the T87N.

Fan Switch Operation

Describes the Fan switch modes (On, Auto) for the T87N.

Temperature Display and Setting

Details how to read and adjust the desired indoor temperature.

Operational Hazard Warning

Caution against operating the cooling system below 50°F (10°C).

Limited 5-year Warranty

Warranty Terms and Conditions

Outlines the 5-year warranty coverage, limitations, and customer support contact.

Accessories and Support

Replacement Parts

Lists available replacement parts like temperature range stops and cover plates.

Need Help?

Provides contact information and website for customer assistance.

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