Honeywell CT87J Manual
Honeywell
Thermostat
CT87J
Read below 📖 the manual in Italian for Honeywell CT87J (12 pages) in the Thermostat category. This guide has been helpful for 5 people and has been rated 4.5 stars on average by 2 users
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® U.S. Registered Trademark
Copyright © 2002 Honeywell
All Rights Reserved 69-0274-6
Verify that you have the
correct thermostat
Using the compatibility chart
below, verify that you purchased
the correct CT87Thermostat for
your heating/cooling system. If
you are unsure which model is
right for your system, visit
www.honeywell.com/
yourhome or call Honeywell
Customer Care at
1-800-468-1502.
* CT87A is compatible with 2-wire cooling-only systems.
Heating/Cooling system
Compatible with:
CT87A CT87B CT87J
Heating only: Gas or oil fueled warm air, steam, or hot
water heat
Yes Yes No
Cooling only: Electric air conditioning Yes* Yes Yes
Heating and cooling: Gas or oil fueled warm air,
steam, or hot water heat with electric air conditioning
No Yes No
Single stage heat pump: Outdoor heating/cooling unit
(compressor) with no auxiliary or backup heat.
No No Yes
Electric heat furnace with or without cooling: No No Yes
Electric baseboard: Electric heating strips located just
above the floor, usually 120-240 volts
No No No
Multistage: A conventional system with more than one
stage, or an outdoor heating/cooling unit (compressor)
with auxiliary or backup heat.
No No No
1
CT87A,B,J Round® Thermostat
LOW VOLTAGE (15 TO 30 VAC),
THERMOSTAT AND MOUNTING HARDWARE
Installation Instructions
CT87A,B,J ROUND® THERMOSTAT
69-0274-6 2
Prepare for installation
1. Carefully unpack your new thermostat; rough handling may affect its
accuracy. Save your receipt and identify the following parts:
• CT87 Thermostat
• Screws: two 1-in. sheet metal screws, two 1/2-in. binding head
screws, and two 1/4-in. round head screws
• Wallplate (CT87A) or subbase (CT87B, CT87J)
• Cover ring (select models only). Necessary if installing on an
outlet box. Optional if installing directly on the wall; can be used to
hide wall marks.
• These Installation Instructions and the Installation Quick Guide.
• Wiring labels
2. Gather these tools:
Remove the old thermostat
1. Turn off power to the heating/cooling system at the main fuse/circuit
breaker panel.
2. Remove the cover of your old thermostat. You may need to unscrew
the cover if it is locked on.
3. Locate the heat anticipator adjustment scale and lever on the old
thermostat (Fig. 1).
In the box below, record the
number that the adjustment lever
points to. This is the current (amp)
rating of your heating system.
Current setting:
If you cannot find the heat
anticipator setting on the old
thermostat, you can use a
standard setting for your type of
system when you reach Step 8 of
this installation.
4. Unscrew and remove the old thermostat wallplate from the wall, but
do not disconnect the wires.
Required Tools Optional Tools
•Flat blade
screwdriver
•Spirit level
•Hand or power drill with 1/16-in. drill bit
•Wire cutter/stripper or sharp knife
•Pencil
2
3
M20206
MERCURY
SWITCH
OLD THERMOSTAT
ANTICIPATOR
SCALE
LEVER
TYPICAL LOCATION OF A
MERCURY SWITCH IN
A THERMOSTAT
Fig. 1. Mercury switch location.
CT87A,B,J ROUND® THERMOSTAT
3 69-0274-6
5. Label the wires using the wiring
labels that came with the CT87.
Identify each wire using the letter
of the terminal on the old thermo-
stat (Fig. 2). Do not label the wires
by color.
6. Disconnect the wires from the old
thermostat and wrap them around
a pencil to keep them from falling
back into the wall (Fig. 3).
If this thermostat is replacing a
control that contains mercury in a
sealed tube, do not place your old
control in the trash. Contact your
local waste management authority
for instructions regarding recycling and the proper disposal of this
control, or of an old control containing mercury in a sealed tube.
Install the cover ring and wallplate or subbase
If installing on the wall
Refer to Fig. 4 as you work.
Fig. 4. Installing wallplate/subbase on the wall (wallplate shown).
M19086
Fig. 2. Labeling wires.
Fig. 3. Wrapping wires.
WIRES THROUG
H
WALL OPENING
M20133
MERCURY NOTICE
4
M20188
WALLPLATE
THERMOSTAT
WIRING OPENING
COVER RING
NO. 4 X 1 INCH
SHEET METAL SCREWS (2)
Product Specifications
| Brand: | Honeywell |
| Category: | Thermostat |
| Model: | CT87J |
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