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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
Installation Instructions
Compatible with:
Heating/Cooling system
CT87A CT87B ...honeywell.com/ yourhome or call 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...
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
.../subbase over the holes, pull the wires through these holes into the drilled holes. You will be inserting screws through the wiring opening, and loosely insert the two 1-in . BINDING HEAD SCREW (2)
OUTLET BOX
1
2 COVER RING SUBBASE 1/4 IN.
Fig. 5. CT87A,B,J ROUND® THERMOSTAT
1. Rotate the wallplate/subbase until the wiring openings are on an outlet box...
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
... 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
Fig...
Owner's Manual - Page 8
... •
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
Fig. 11.
Owner's Manual - Page 9
IMPORTANT: This prevents the thermostat from being damaged. Fig. 15. CT87A,B,J ROUND® THERMOSTAT
7
Mount the thermostat
1.
Place the thermostat over the wallplate or subbase so that
holds the mercury switch in place during shipping.
2. Tightening mounting screws.
Pull off the thermostat cover and discard the red plastic insert that the three captive mounting screws align ...
Owner's Manual - Page 10
... heat 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...
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
... address:
Honeywell Inc.
This warranty gives you specific legal rights, and you purchased it, or
(ii) package it carefully, along with a bill of sale or other rights which occurred while the product was caused by the consumer. CT87A,B,J ROUND® THERMOSTAT
Limited One-Year Warranty
Honeywell warrants this product, excluding battery, to be to repair or replace the...
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