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 japroct on September 20th, 2011
Can A Model Ct 87n Wire Directly Up To Where A Model Ct87a Is With No Jumping Or
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Current Answers
Related Honeywell CT87A Manual Pages
Owner's Manual - Page 1
...Copyright © 2002 Honeywell All Rights Reserved
69-0274-6
No
No
* CT87A is right for your system, visit www.honeywell.com/ yourhome or call ...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
... the wall; can use a
TYPICAL LOCATION OF A
standard setting for installation
1. drill bit • Wire cutter/stripper or sharp knife • Pencil
3
Remove the old thermostat
1. Mercury switch location. binding head
screws, and two 1/4-in . CT87A,B,J ROUND® THERMOSTAT
2
Prepare for your new thermostat; Optional if installing directly on the old
thermostat (Fig. 1).
Owner's Manual - Page 3
... in a sealed tube.
4 Install the cover ring and wallplate or subbase
If installing on the old thermo-
Label the wires using the letter
of an old control containing mercury in the trash.
Installing wallplate/subbase on the wall (wallplate shown). CT87A,B,J ROUND® THERMOSTAT
5. Disconnect the wires from falling
back into the wall (Fig. 3).
Owner's Manual - Page 4
...the cover ring. screws into the wall. • If attaching wallplate directly to the wall: Position so that the fan and heating/cooling switches ...wires through these holes into the drilled holes. You will be inserting screws through the wiring opening, and loosely insert the two 1-in . Rotate the wallplate/subbase until the wiring openings are on the top.
3. CT87A,B,J ROUND® THERMOSTAT...
Owner's Manual - Page 5
... the cover ring.
3.
Place the cover ring against the outlet box so that the wiring holes line up .
2. Fig. 6. SPIRIT LEVEL
LEVELING POSTS (2)
OPENING FOR THERMOSTAT WIRING
MOUNTING SLOTS
M3319A
2. To level the subbase, use the leveling posts directly below the Heat and Fan indicators. Loosely attach the wallplate/subbase to maintain accu- rate...
Owner's Manual - Page 6
...
BARRIER
M1279
3. Securely tighten the terminal screws. 5. Fitting wires under the terminal screws.
STRIP 7/16 in . [8 mm]
FOR WRAPAROUND CONNECTION- CT87A,B,J ROUND® THERMOSTAT
6
Wire the thermostat
1.
Loosen the terminal screws and slip each old
thermostat wire with its matching terminal.
4. Use the wiring cross-reference table below to both the B and O terminals...
Owner's Manual - Page 7
... • 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. 8. CT87B for a 3-wire hot water heating only system.
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.
Owner's Manual - Page 8
... POWER
FAN
TO SYSTEM
COOLING POWER
TO SYSTEM
COOL
HEAT
Fig. 12. M20228
69-0274-6
8 CT87J for a 5-wire heating/cooling system. CT87B for 4-wire single stage heat pump. CT87J for a 4-wire single stage heat pump. CT87A,B,J ROUND® THERMOSTAT
Fig. 11. CT87J SUBBASE
HEAT
FAN ON
FAN
COOL • OFF •
AUTO •
POWER
WG...
Owner's Manual - Page 9
... heat anticipator indicator to 1.2 on the wallplate/subbase.
4. IMPORTANT: This prevents the thermostat from being damaged. Place the thermostat over the wallplate or subbase so that
holds the mercury switch in Fig. 15.
CT87A,B,J ROUND® THERMOSTAT
7
Mount the thermostat
1.
HEAT ANTICIPATOR INDICATOR
1.2
.6 .5 .4 .3 .2
HOLE SUITABLE FOR PENCIL POINT TO MOVE INDICATOR
.15...
Owner's Manual - Page 10
... scale (Fig. 16)
exceeds the room temperature that is shown on the old thermostat, use the setting for your CT87 has a subbase, set temperature, move the anticipator... 0.8 0.8 0.4 0.3
2. Snap on the thermostat cover. Using a pencil point, move the heat anticipator pointer to the farthest point left. 2. CT87A,B,J ROUND® THERMOSTAT
8
Set the heat anticipator for your type ...
Owner's Manual - Page 11
Heat On Auto
The thermostat controls your CT87 has a subbase, set the temperature, turn the dial until the pointer on the CT87J model.
2. The fan runs continuously. If your heating ...and cooling systems are off.
The fan runs only with the desired temperature. CT87A,B,J ROUND® THERMOSTAT
Check cooling
IMPORTANT: To avoid damaging the compressor in the air conditioner, do...
Owner's Manual - Page 12
...FOR ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER ... IS HEREBY LIMITED TO THE ONE YEAR DURATION OF THIS WARRANTY.
USA Dock 4 - CT87A,B,J ROUND® THERMOSTAT
Limited One-Year Warranty
Honeywell warrants this product, excluding battery, to be to repair or...
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