Honeywell CT87J Support Question
Honeywell CT87J Support Question
Find answers below for this question about Honeywell CT87J.Need a Honeywell CT87J manual? We have 1 online manual for this item!
Question posted by barbarahupp on September 25th, 2014
Can I Replace A Ct87a With A Ct87n
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Current Answers
Answer #1: Posted by sabrie on September 25th, 2014 3:36 PM
sabrie
Member since:
May 23rd, 2013 Points: 3,306,778
Member since:
May 23rd, 2013 Points: 3,306,778
yes you can, like this person on the link below who did just that
http://www.justanswer.com/hvac/2sdv1-hello-recently-replaced-old-honeywell-thermostat-ct87a.html
www.techboss.co.za
Related Honeywell CT87J Manual Pages
Owner's Manual - Page 1
...Rights Reserved
69-0274-6 Installation Instructions
Compatible with:
Heating/Cooling system
CT87A CT87B CT87J
Heating only: Gas or oil fueled warm air, steam, or hot...wire cooling-only systems.
® U.S.
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 ...
Owner's Manual - Page 2
...; These Installation Instructions and the Installation Quick Guide.
• Wiring labels
2. Remove the cover of your heating system. Fig. 1. round head screws
• Wallplate (CT87A) or subbase (CT87B, CT87J)
• Cover ring (select models only). OLD THERMOSTAT ANTICIPATOR SCALE
Current setting: If you cannot find the heat
LEVER
anticipator setting on the old...
Owner's Manual - Page 3
... on the wall (wallplate shown).
Wrapping wires. CT87A,B,J ROUND® THERMOSTAT
5. Labeling wires. stat (Fig. 2). Installing wallplate/subbase on the wall
Refer to keep them from the old
thermostat and wrap them around
a pencil to Fig. ...instructions regarding recycling and the proper disposal of this thermostat is replacing a
control that came with the CT87.
Fig. 2.
Owner's Manual - Page 4
... ring (if used) and wallplate/subbase over the cover ring.
M20187
69-0274-6
4 CT87A,B,J ROUND® THERMOSTAT
1. If using cover ring: Place the wallplate/subbase over the holes, pull the wires through...to the wall: Position so that the arrow in . Fig. 5. ROUND HEAD SCREW (2)
A
THERMOSTAT WIRING HOLE
1 THE TWO INNER HOLES ARE USED WITH WALLPLATE.
2 IF OUTLET BOX IS HORIZONTAL...
Owner's Manual - Page 5
...the cover ring with two 1/2-in Fig. 6. Pull the wires through .
5. screws.
4. rate thermostat temperature.
1.
Align the screw slots on the bottom left and right sides of the cover ring is...Tighten the mounting screws after making sure that the wiring holes line up .
2. CT87A,B,J ROUND® THERMOSTAT
1. Place the wallplate or subbase over the cover ring so that the wallplate or...
Owner's Manual - Page 6
...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 attach wires to fit the wires underneath...-6
6 STRIP 5/16 in . [11 mm]
BARRIER
M1279
3. CT87A,B,J ROUND® THERMOSTAT
6
Wire the thermostat
1.
FOR STRAIGHT CONNECTION- Strip the wire insulation as needed to both...
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. R
Y W
CT87A WALLPLATE
WIRE LABELS (LETTERS ON ORIGINAL THERMOSTAT TERMINALS) R
3-WIRE
W
HOT WATER
ZONE VALVE
B M20184
Fig. 10...
Owner's Manual - Page 8
.../cooling system.
M20228
69-0274-6
8
M20225
COOL • OFF •
HEAT
FAN ON
WG
Y
P
R
B
O
JUMPER W TO Y
AUTO •
CT87J SUBBASE
HEAT FAN
TO SYSTEM
POWER
COOL REVERSING VALVE
HEAT REVERSING VALVE
DO NOT ATTACH WIRES TO BOTH B AND O M20186
Fig. 13. CT87A,B,J ROUND® THERMOSTAT
Fig. 11. CT87J for a 4-wire single stage heat pump.
Owner's Manual - Page 9
... the wallplate or subbase so that
holds the mercury switch in place during shipping.
2.
CT87A,B,J ROUND® THERMOSTAT
7
Mount the thermostat
1. Fig. 14. Tighten the three captive mounting screws as shown in Fig. 15.
HEAT ANTICIPATOR INDICATOR
1.2
.6 .5 .4 .3 .2
HOLE SUITABLE FOR PENCIL POINT TO MOVE INDICATOR
.15
...
Owner's Manual - Page 10
...the setting scale is below the room temperature that is shown on beyond the thermostat set temperature, move the anticipator pointer up by .1 ampere. The heating system ... on the thermostat cover. If you recorded in the table below .3 ampere.
9 Check heating/cooling operation
Check heating
1.
SETTING SCALE
69-0274-6
THERMOMETER
10
M9656 CT87A,B,J ROUND® THERMOSTAT
8
Set the...
Owner's Manual - Page 11
.... CT87A,B,J ROUND® THERMOSTAT
Check cooling
IMPORTANT: To avoid damaging the compressor in the air conditioner, do not operate the cooling system when the outdoor temperature is tested, wait five minutes before switching to Cool. If your CT87 has a subbase, set the temperature, turn the dial until the pointer on the CT87J model...
Owner's Manual - Page 12
... shall not apply if it is defective or malfunctions, Honeywell shall repair or replace it carefully, along with a bill of sale or other rights which occurred while...OTHER FAILURE OF THIS PRODUCT.
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 ...
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