69-1552ES
Model CT87
Installation Quick GuideItems 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 termi-
nals, 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
Copyright © 2005 Honeywell • • All Rights Reserved