Honeywell YCT87K1003 Support Question
Honeywell YCT87K1003 Support Question
Find answers below for this question about Honeywell YCT87K1003 - Round Heat Only Mercury Free Thermostat System.Need a Honeywell YCT87K1003 manual? We have 1 online manual for this item!
Question posted by erickgranados on December 2nd, 2013
It Dosen't Shut The System Off
I replaced two thermostats, and I have the same problem, it need to be set up at 80 degrees to get the furnace fire up and once is hot, it dosen't shut off automaticly. My system is a Hydronic, my furnace is natural gas fueled
Current Answers
Related Honeywell YCT87K1003 Manual Pages
Installation Instructions - Page 1
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 system.
No
No
* CT87A is...
Installation Instructions - Page 2
...1). Carefully unpack your heating system. binding head
screws, and two 1/4-in . Mercury switch location.
CT87A,B,J ROUND® THERMOSTAT
2
Prepare for your type of
MERCURY SWITCH IN A THERMOSTAT
system when you can be used to the heating/cooling system at the main fuse/circuit
breaker panel.
2. can use a
TYPICAL LOCATION OF A
standard setting for installation
1.
Installation Instructions - Page 3
... trash.
M19086
MERCURY NOTICE
Fig. 3. Wrapping 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. 4 as you work. Disconnect the wires from falling
back into the wall (Fig. 3). WIRES THROUGH WALL OPENING
If this thermostat is replacing a
control that...
Installation Instructions - Page 4
...: Position so that the fan and heating/cooling switches are aligned and the two screw holes on an outlet box (subbase shown).
1/2 IN. BINDING HEAD SCREW (2)
OUTLET BOX
1
2 COVER RING SUBBASE 1/4 IN. ROUND HEAD SCREW (2)
A
THERMOSTAT WIRING HOLE
1 THE TWO INNER HOLES...subbase over the holes, pull the wires through these holes into the drilled holes. CT87A,B,J ROUND® THERMOSTAT
1.
Installation Instructions - Page 5
...two 1/2-in. rate thermostat temperature.
1. To level the subbase, use the leveling posts directly below the Heat and Fan indicators.
SPIRIT LEVEL
LEVELING POSTS (2)
OPENING FOR THERMOSTAT WIRING
MOUNTING SLOTS
... wallplate/subbase must be level to the outlet box with two 1/4in. CT87A,B,J ROUND® THERMOSTAT
1. screws.
4.
Align the screw slots on the cover ring with the outlet ...
Installation Instructions - Page 6
...the terminal screws. Loosen the terminal screws and slip each old
thermostat wire with its matching terminal.
4. Use the wiring cross-...the wires underneath the terminal screws (Fig. 7). CT87A,B,J ROUND® THERMOSTAT
6
Wire the thermostat
1. Push any excess wire back into the wall.
69-0274-6
6 Strip the wire insulation as needed to both the B and O terminals.
2. STRIP ...
Installation Instructions - Page 7
CT87B for a 3-wire hot water heating only system. CT87A,B,J ROUND® THERMOSTAT
Fig. 8. CT87A for a 4-wire heating/cooling system. 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 WALLPLATE
R
Y W
POWER HEAT
TO SYSTEM
M20183
Fig. 9. R
Y W
CT87A WALLPLATE
WIRE LABELS (...
Installation Instructions - Page 8
....
CT87J for 4-wire single stage heat pump.
CT87J for a 4-wire single stage heat pump. M20228
69-0274-6
8
CT87A,B,J ROUND® THERMOSTAT
Fig. 11. CT87B for a 5-wire heating/cooling system. CT87J SUBBASE
HEAT
FAN ON
FAN
COOL • OFF •
AUTO •
POWER
WG
1Y
P
R
B
O
HEAT REVERSING
VALVE
COOL REVERSING
VALVE
TO SYSTEM
HEAT PUMP COMPRESSOR
DO NOT ATTACH...
Installation Instructions - Page 9
... as shown in Fig. 15. NOTE: These screws complete the installation of the thermostat.
Adjusting heat anticipator indicator.
Fig. 15. Tighten the three captive mounting screws as shown in place during shipping.
2. 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 Fig. 14.
Installation Instructions - Page 10
.... Turn the dial until the temperature on the setting scale is below .3 ampere.
9 Check heating/cooling operation
Check heating
1.
CT87A,B,J ROUND® THERMOSTAT
8
Set the heat anticipator for your type of system shown in Step 3, sub-step 3. If you recorded in the table below. Your heating system: Steam Hot water heat High-efficiency warm air Standard warm air Electric...
Installation Instructions - Page 11
... with the desired temperature. 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. IMPORTANT: After heating is below room temperature.
Raise the temperature setting above room temperature. CT87B...
Installation Instructions - Page 12
...10% www.honeywell.com/yourhome
post-consumer paper fibers. Honeywell's sole responsibility shall be free from defects in the workmanship or materials, under normal use and service, for a ...Scarborough, Ontario M1V 4Z9. 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 ...
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