Honeywell CT87J Support and Manuals
Get Help and Manuals for this Honeywell item
View All Support Options Below
Free Honeywell CT87J manuals!
Problems with Honeywell CT87J?
Ask a Question
Free Honeywell CT87J manuals!
Problems with Honeywell CT87J?
Ask a Question
Most Recent Honeywell CT87J Questions
Can I Replace A Ct87a With A Ct87n
(Posted by barbarahupp 9 years ago)
Popular Honeywell CT87J Manual Pages
Owner's Manual - Page 1
... system. CT87A,B,J Round® Thermostat
LOW VOLTAGE (15 TO 30 VAC), THERMOSTAT AND MOUNTING HARDWARE
1 Verify that you have the correct thermostat
Using the compatibility chart below, verify that you are unsure which model is compatible with 2-wire cooling-only systems.
® U.S. Installation Instructions
Compatible with:
Heating/Cooling system
CT87A CT87B CT87J
Heating only: Gas or...
Owner's Manual - Page 2
... you can be used to
hide wall marks.
• These Installation Instructions and the Installation Quick Guide.
• Wiring labels
2. You may affect its
accuracy.
Fig. 1. This is locked on the wall; round head screws
• Wallplate (CT87A) or subbase (CT87B, CT87J)
• Cover ring (select models only). Save your new thermostat; Remove the cover of M20206 this...
Owner's Manual - Page 3
... COVER RING
WALLPLATE
NO. 4 X 1 INCH SHEET METAL SCREWS (2)
3
THERMOSTAT WIRING OPENING
M20188
69-0274-6 Disconnect the wires from falling
back into the wall (Fig. 3). Installing wallplate/subbase on the old thermo- CT87A,B,J ROUND® THERMOSTAT
5.
WIRES THROUGH WALL OPENING
If this
control, or of this thermostat is replacing a
control that came with the CT87. stat (Fig...
Owner's Manual - Page 4
...over the cover ring. Fig. 5. CT87A,B,J ROUND® THERMOSTAT
1. You will be inserting screws through the wiring opening, and loosely insert the two 1-in. Use a...installing on an outlet box (subbase shown).
1/2 IN. Position the wallplate or subbase. • If using the cover ring: Position the cover ring against the wall so that the arrow in . ROUND HEAD SCREW (2)
A
THERMOSTAT WIRING...
Owner's Manual - Page 5
... cover ring so that the wallplate or subbase is pointing up , and pull the wires through the wiring hole on the cover ring with the outlet box screw holes, and attach the cover ring to maintain accu- rate thermostat temperature.
1. Rotate the wallplate/subbase until level as shown in the middle of the...
Owner's Manual - Page 6
...Fig. 7. Loosen the terminal screws and slip each old
thermostat wire with its matching terminal.
4. Securely tighten the terminal screws. 5. CT87A,B,J ROUND® THERMOSTAT
6
Wire the thermostat
1. STRIP 7/16 in . [8 mm]
FOR WRAPAROUND CONNECTION- Use the wiring cross-reference table below to match each wire beneath its corresponding terminal on the CT87 wallplate
or subbase...
Owner's Manual - Page 7
... system. COOL • OFF •
HEAT
FAN ON
RH G
RC
Y W
AUTO •
CT87B SUBBASE
POWER FAN COOL
TO SYSTEM
HEAT
JUMPER RH TO RC
M20185
7
69-0274-6 CT87A WALLPLATE
R
Y W
POWER HEAT
TO SYSTEM
M20183
Fig. 9. R
Y W
CT87A WALLPLATE
WIRE LABELS (LETTERS ON ORIGINAL THERMOSTAT TERMINALS) R
3-WIRE
W
HOT WATER
ZONE VALVE
B M20184
Fig. 10. CT87A,B,J ROUND®...
Owner's Manual - Page 8
... TO Y OR W, AND P ON YOUR OLD
THERMOSTAT, CONTACT YOUR LOCAL CONTRACTOR FOR
FURTHER ASSISTANCE. COOL • OFF •
HEAT
FAN ON
RH G
RC
Y W
AUTO •
CT87B SUBBASE
HEATING POWER
FAN
TO SYSTEM
COOLING POWER
TO SYSTEM
COOL
HEAT
Fig. 12. CT87J for a 5-wire heating/cooling system.
CT87B for a 4-wire single stage heat pump.
M20228
69...
Owner's Manual - Page 9
... shown in place during shipping.
2. NOTE: These screws complete the installation of the thermostat.
IMPORTANT: This prevents the thermostat from being damaged. Fig. 14. Adjusting heat anticipator indicator. Tighten ...the three captive mounting screws as shown in Fig. 14. Fig. 15.
Place the thermostat over the wallplate or subbase so that
holds the mercury switch in Fig. 15. ...
Owner's Manual - Page 10
...: Steam Hot water heat High-efficiency warm air Standard warm air Electric heat
Heat anticipator setting: 1.2 0.8 0.8 0.4 0.3
2. The heating system should stop. Snap on the old thermostat, use the setting for your system
IMPORTANT: Setting the heat anticipator allows the thermostat to the farthest point left. 2. Never adjust the anticipator below the room temperature that you...
Owner's Manual - Page 11
... and cooling systems are off. The fan runs only with the desired temperature. CT87B, J switches
Switch System
Fan
Setting
Result
Cool Off
The thermostat controls your CT87 has a subbase, set the temperature, turn the dial until the pointer on the top setting scale aligns with the heating or cooling system.
11
69-0274-6
IMPORTANT: After...
Owner's Manual - Page 12
...Honeywell Inc. CT87A,B,J ROUND® THERMOSTAT
Limited One-Year Warranty
Honeywell warrants this product, excluding battery, to be to repair or replace the product within a reasonable period of one (1) year from state to state.
Honeywell...you specific legal rights, and you . MN10-3860 1985 Douglas Drive North Golden Valley, MN 55422-3992
Honeywell Canada: Honeywell Limited/Honeywell Limit...
Honeywell CT87J Reviews
We have not received any reviews for Honeywell yet.