Honeywell CT87A Support Question
Honeywell CT87A Support Question
Find answers below for this question about Honeywell CT87A.Need a Honeywell CT87A manual? We have 1 online manual for this item!
Question posted by mortljendah on February 22nd, 2014
How To Calibrate A Honeywell Thermostat Video
The person who posted this question about this Honeywell product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.
Current Answers
Related Honeywell CT87A Manual Pages
Owner's Manual - Page 1
Registered Trademark Copyright © 2002 Honeywell All Rights Reserved
69-0274-6 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
...
Owner's Manual - Page 2
... fuse/circuit
breaker panel.
2. This is locked on.
3. Unscrew and remove the old thermostat wallplate from the wall, but do not disconnect the wires.
69-0274-6
2 Fig. ... on the old thermostat, you reach Step 8 of your new thermostat; CT87A,B,J ROUND® THERMOSTAT
2
Prepare for your type of your receipt and identify the following parts:
• CT87 Thermostat
• Screws:...
Owner's Manual - Page 3
CT87A,B,J ROUND® THERMOSTAT
5.
Wrapping wires. Installing wallplate/subbase on the old thermo- COVER RING
WALLPLATE
NO. 4 X 1 INCH SHEET METAL SCREWS (2)
3
THERMOSTAT WIRING OPENING
M20188
69-0274-6
...the trash.
Do not label the wires
by color.
6. Disconnect the wires from the old
thermostat and wrap them around
a pencil to Fig. 4 as you work. WIRES THROUGH WALL OPENING...
Owner's Manual - Page 4
... attaching wallplate directly to the wall: Position so that the UP indicator on the left and right sides of the wallplate or subbase.
4. CT87A,B,J ROUND® THERMOSTAT
1. 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...
Owner's Manual - Page 5
...
MOUNTING SLOTS
M3319A
2. Loosely attach the wallplate/subbase to the outlet box with two 1/4in. rate thermostat temperature.
1. Tighten the mounting screws after making sure that the wiring holes line up .
2.
CT87A,B,J ROUND® THERMOSTAT
1. screws.
4. Place the wallplate or subbase over the cover ring so that the wallplate or subbase is pointing...
Owner's Manual - Page 6
...reference
Wire Label R, RH, 4, V Rc, R W, W1, H Y, Y1, M G, F B O See Fig. 13
Connect to CT87A
R
W Y
See Fig. 9
Connect to Connect to
CT87B
CT87J
RH
R
Rc
W
W
Y
Y
G
G
B*
O*
P
*Never ...]
FOR WRAPAROUND CONNECTION- CT87A,B,J ROUND® THERMOSTAT
6
Wire the thermostat
1. FOR STRAIGHT CONNECTION- Loosen the terminal screws and slip each old
thermostat wire with its matching ...
Owner's Manual - Page 7
... TERMINALS) R
3-WIRE
W
HOT WATER
ZONE VALVE
B M20184
Fig. 10. CT87B for a 3-wire hot water heating only system. CT87A,B,J ROUND® THERMOSTAT
Fig. 8. CT87A WALLPLATE
R
Y W
POWER HEAT
TO SYSTEM
M20183
Fig. 9.
CT87A for a 4-wire heating/cooling system. CT87A for a 2-wire heating only system. COOL • OFF •
HEAT
FAN ON
RH G
RC
Y W
AUTO •
CT87B SUBBASE...
Owner's Manual - Page 8
CT87A,B,J ROUND® THERMOSTAT
Fig. 11. CT87B for a 4-wire single stage heat pump. CT87J for a 5-wire heating/cooling system.... SYSTEM
HEAT PUMP COMPRESSOR
DO NOT ATTACH WIRES TO BOTH B AND O
1 IF WIRES ARE ATTACHED TO Y OR W, AND P ON YOUR OLD
THERMOSTAT, CONTACT YOUR LOCAL CONTRACTOR FOR
FURTHER ASSISTANCE. M20225
COOL • OFF •
HEAT
FAN ON
WG
Y
P
R
B
O
JUMPER W TO ...
Owner's Manual - Page 9
... the wallplate or subbase so that
holds the mercury switch in Fig. 14. Fig. 15.
CT87A,B,J ROUND® THERMOSTAT
7
Mount the thermostat
1. CAPTIVE SCREWS (3)
M20227
9
69-0274-6
NOTE: These screws complete the installation of the thermostat. Using a pencil point, slide the heat anticipator indicator to 1.2 on the wallplate/subbase.
4. Fig. 14.
IMPORTANT: This prevents...
Owner's Manual - Page 10
... anticipator setting: 1.2 0.8 0.8 0.4 0.3
2. NOTE: If the furnace stays on beyond the thermostat set the system switch to the number that is reached, move the anticipator pointer up by .1... ampere. Turn the dial until the temperature on the thermostat cover. CT87A,B,J ROUND® THERMOSTAT
8
Set the heat anticipator for your type of system shown in Step 3,...
Owner's Manual - Page 11
...The cooling system should start.
3. Heat On Auto
The thermostat controls your cooling system.
If your CT87 has a subbase,... CT87B, J switches
Switch System
Fan
Setting
Result
Cool Off
The thermostat controls your heating system. Raise the temperature setting above room temperature. CT87A,B,J ROUND® THERMOSTAT
Check cooling
IMPORTANT: To avoid damaging the compressor in the air ...
Owner's Manual - Page 12
CT87A,B,J ROUND® THERMOSTAT
Limited One-Year Warranty
Honeywell warrants this warranty, please write Honeywell Customer Care, Honeywell Inc., 1985 Douglas Dr. N., Golden Valley, MN 55422-3992, or call 1-800-468-1502.
This warranty gives you specific legal rights, and you . In Canada, write Retail Products ON15, Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough,...
Similar Questions
How To Calibrate Rth230b Thermostat
(Posted by f1rachr 10 years ago)
Replace Honeywell Ct87a Heat Only Thermostat With A Programable One
Is There A Programable Thermostat That Replaces Honeywell Ct87a Heat Only Thermostat?.
Is There A Programable Thermostat That Replaces Honeywell Ct87a Heat Only Thermostat?.
(Posted by cmrodri75 10 years ago)