Honeywell CT87B4008 Quick Installation Guide

Honeywell Thermostats Quick Installation Guide - CT87B4008.
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Copyright © 2001 Honeywell   •            •   All Rights Reserved

Printed in U.S.A.

69-1552EF

Model CT87

Installation Quick Guide

Items needed: Pan head screwdriver, drill and level.

Congratulations! You have finished installing your new Honeywell thermostat!
For additional information refer to Installation Instructions or contact Honeywell
Customer Relations at www.honeywell.com/yourhome or 1-800-468-1502.

1. Turn off Heating/Cooling system power.

2. Remove old thermostat from wall. Use enclosed

labels to mark the wires as you disconnect them.
Label wires by using letters above screw terminals,
not wire colors.

3. Mount the cover ring (optional) and wallplate or

subbase to the wall using a level.

4. Attach the system wires to matching screw

terminals using the label designations from step 2.

Set the heat anticipator indicator to 1.2 before wiring
the thermostat.

5. Remove the thermostat cover and mount the

thermostat to the wallplate or subbase.

6. Remove and discard the red plastic insert securing

the mercury switch.

7. Set the heat anticipator indicator by matching the

heat anticipator setting from your old thermostat or
using the chart below.

8. Attach the thermostat cover.

9. Set thermostat to desired temperature.

.15

.12

.2

.6

.8

1.0

.5

.4

.3

HOLE SUITABLE FOR 
PENCIL POINT 
TO MOVE INDICATOR

HEAT 
ANTICIPATOR
INDICATOR

SCALE

M1368A

80

90

70

60

90

80

70

60

Your Heating System

Steam

Hot Water Heat

High Efficiency Hot Air

Standard Hot Air

Electric Heat

Anticipator

Settings

1.2

0.8

0.8

0.4

0.3

SUBBASE

CT87

WALLPLATE

COVER RING

M20111

LEVEL

M20112

0.582286s