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Thermostat Compatability
I have honeywell ct87a44471 with baseboard heat. the temperature fall below the set temp of 80 degre...
I have honeywell ct87a44471 with baseboard heat. the temperature fall below the set temp of 80 degre...
(Posted by sharkeey 11 years ago)
Popular Honeywell CT87A Manual Pages
Owner's Manual - Page 1
... Honeywell Customer Care at 1-800-468-1502. 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.
If you purchased the correct CT87Thermostat for your heating/cooling...
Owner's Manual - Page 2
...; These Installation Instructions and the Installation Quick Guide.
• Wiring labels
2. Locate the heat anticipator adjustment scale and lever on the old thermostat, you reach Step 8 of M20206 this installation.
4.
CT87A,B,J ROUND® THERMOSTAT
2
Prepare for your old thermostat. Mercury switch location. Save your receipt and identify the following parts:
• CT87...
Owner's Manual - Page 3
.... 2).
CT87A,B,J ROUND® THERMOSTAT
5. Label the wires using the letter
of an old control containing mercury in the trash. Labeling wires. Contact your old
control in a sealed tube.
4 Install the cover ring and wallplate or subbase
If installing on the wall
Refer to keep them from the old
thermostat and wrap them around
a pencil to Fig. 4 as you work...
Owner's Manual - Page 4
... holes on the cover ring. ROUND HEAD SCREW (2)
A
THERMOSTAT WIRING HOLE
1 THE TWO INNER HOLES ARE USED WITH WALLPLATE.
2 IF OUTLET BOX IS HORIZONTAL, MOUNT COVER RING IN POSITION SHOWN, BUT FASTEN WITH SCREWS THROUGH "A". Use a pencil to Fig. 5 as you marked.
5. holes at the locations you work. If installing on an outlet box
Refer...
Owner's Manual - Page 5
... the cover ring is level.
5
69-0274-6 screws, through .
5.
CT87A,B,J ROUND® THERMOSTAT
1. screws.
4. Loosely attach the wallplate/subbase to the outlet box with two 1/4in. Tighten the mounting screws after making sure that the wallplate or subbase is pointing up , and pull the wires through the screw holes on the bottom left and...
Owner's Manual - Page 6
...-reference table below to match each wire beneath its corresponding terminal on the CT87 wallplate
or subbase.
STRIP 7/16 in . [8 mm]
FOR WRAPAROUND CONNECTION- Loosen the terminal screws and slip each old
thermostat wire with its matching terminal.
4. CT87A,B,J ROUND® THERMOSTAT
6
Wire the thermostat
1. FOR STRAIGHT CONNECTION- Fitting wires under the terminal screws.
Owner's Manual - Page 7
...heating only system.
CT87A for a 3-wire hot water heating only system. R
Y W
CT87A WALLPLATE
WIRE LABELS (LETTERS ON ORIGINAL THERMOSTAT TERMINALS) R
3-WIRE
W
HOT WATER
ZONE VALVE
B M20184
Fig. 10. 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,B,J ROUND® THERMOSTAT...
Owner's Manual - Page 8
...ATTACH WIRES TO BOTH B AND O M20186
Fig. 13. M20228
69-0274-6
8 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 4-wire single stage heat pump.
CT87J for a 4-wire single stage heat pump. CT87B for a 5-wire heating/cooling system.
CT87A,B,J ROUND® THERMOSTAT...
Owner's Manual - Page 9
... captive mounting screws as shown in Fig. 15. Using a pencil point, slide the heat anticipator indicator to 1.2 on the wallplate/subbase.
4.
Fig. 14. HEAT ANTICIPATOR INDICATOR
1.2
.6 .5 .4 .3 .2
HOLE SUITABLE FOR PENCIL POINT TO MOVE INDICATOR
.15
SCALE
.12 .10
M20226
3. CAPTIVE SCREWS (3)
M20227
9
69-0274-6
NOTE: These screws complete the installation of the thermostat.
Owner's Manual - Page 10
...High-efficiency warm air Standard warm air Electric heat
Heat anticipator setting: 1.2 0.8 0.8 0.4 0.3
2. Fig. 16. SETTING SCALE
69-0274-6
THERMOMETER
10
M9656 CT87A,B,J ROUND® THERMOSTAT
8
Set the heat anticipator for your system
IMPORTANT: Setting the heat anticipator allows the thermostat to
maintain accurate temperature control.
1. If you recorded in the table below...
Owner's Manual - Page 11
... 50°F (10°C).
1. CT87B, J switches
Switch System
Fan
Setting
Result
Cool Off
The thermostat controls your heating system. If your CT87 has a subbase, set the temperature, turn the dial until the pointer on the CT87J model.
2. Raise the temperature setting above room temperature.
CT87A,B,J ROUND® THERMOSTAT
Check cooling
IMPORTANT: To avoid damaging the compressor in...
Owner's Manual - Page 12
...cover removal or reinstallation costs. Honeywell's sole responsibility shall be free from defects in the workmanship or materials, under normal use and service, for a period of ...consumer. 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 time. HONEYWELL SHALL ...
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