Honeywell CT87K User Manual

Owner’s Manual

English: Page 1

Mode d’emploi

Français : Page 6

Manual de Uso

Español: Página 11

CT87N/CT87K

The Round

® U.S. Registered Trademark. U.S. Patents 7,159,789;

7,159,790; 7,476,988 and other patents pending.

69-1959EFS-02

The Round

1. CAUTION TURN OFF POWER to system at the furnace, or at the fuse/circuit breaker

panel before you begin.

2. 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

• Coverplate

• Wall anchors & screws (2 each)

• Wire labels

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

CT87K (24 Vac heating systems) • CT87N (24 Vac heating and cooling systems)

This thermostat contains a Lithium battery which

may contain Perchlorate material.

Perchlorate Material—special handling may apply,

See www.dtsc.ca.gov/hazardouswaste/perchlorate