Honeywell CT87 Installation Quick Manual

Items needed: Pan head screwdriver, drill and level.
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.
Your Heating System
Steam
Hot Water Heat
High Efficiency Hot Air
Standard Hot Air
Electric Heat
8. Attach the thermostat cover.
9. Set thermostat to desired temperature.
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.
Copyright © 2005 Honeywell •
Anticipator
Settings
1.2
0.8
0.8
0.4
0.3
• All Rights Reserved
Installation Quick Guide
WALLPLATE
CT87
LEVEL
SCALE
.12
.15
HOLE SUITABLE FOR
PENCIL POINT
TO MOVE INDICATOR
Model CT87
COVER RING
SUBBASE
M20111
M20112
HEAT
ANTICIPATOR
INDICATOR
M1368A
69-1552ES