Honeywell CT3500 Support Question
Honeywell CT3500 Support Question
Find answers below for this question about Honeywell CT3500.Need a Honeywell CT3500 manual? We have 1 online manual for this item!
Question posted by serbanescud on December 26th, 2016
Why The Room Temperature Shown On My Ct3500 Is At 23.5 C, Constant, With A Tempe
Hello, my name is Dan. I have a Honeywell CT3500 thermostat.I have programmed with Run Program, a temperature setting of 23.0 C, same for all days and for all intervals. Why the Room temperature shown on my CT3500 is 23.5 C and constant all the time? The furnace is still doing the heating cycles for now.Thank you in advance for your help.
Current Answers
Answer #1: Posted by Bila12 on January 31st, 2021 8:48 PM
Bila12
Member since:
November 15th, 2019 Points: 390
Member since:
November 15th, 2019 Points: 390
This thermostat has a temperature sensor through which it control the room temperature. ... But modern air conditioning units no longer use refrigerants containing CFC's ... You should always set the unit for the temperature you require, not according ... Twenty minutes later, the room temperature is 22°C, and your AC is now ...
Answer #2: Posted by Odin on December 26th, 2016 5:38 PM
Odin
Member since:
April 10th, 2010 Points: 41,236,690
Member since:
April 10th, 2010 Points: 41,236,690
It's possible the thermostat is not compatible with your system. See the chart at this manual page: https://www.manualslib.com/manual/69822/Honeywell-Ct3500.html?page=5#manual. If that's the issue, Honeywell suggest you call its Customer Care at the number near the top of the page.
Hope this is useful. Please don't forget to click the Accept This Answer button if you do accept it. My aim is to provide reliable helpful answers, not just a lot of them. See https://www.helpowl.com/profile/Odin.
Related Honeywell CT3500 Manual Pages
Owner's Manual - Page 1
...11 Step 9. Programming ...14 Step 11. Remove Old Thermostat...6 Step 3. Operating Your Thermostat...17 Step 12. All Rights Reserved
69-1199-4 Table of Contents
Step 1. Prepare for Installation...5 Step 2. Mount the Thermostat ...11 Step 8. Set the Clock ...13 Step 10. Registered Trademark © 2004 Honeywell International Inc. Mount Thermostat Wallplate...7 Step 4. Honeywell CT3500/CT3595...
Owner's Manual - Page 2
... instructions can use the preprogrammed
schedule, or set your own. You made a smart choice by purchasing your new Honeywell thermostat the smart thermostat that; • Keeps you leave home or go on to follow these instructions carefully. Failure to
have questions, call Honeywell Customer Care at the desired comfort temperature by automatically remembering to adjust the...
Owner's Manual - Page 3
... SWITCH SELECTS HEAT/OFF/COOL
FAN SWITCH SELECTS AUTO/ON
HEAT/COOL SETTING SWITCHES BETWEEN HEAT SETPOINTS AND COOL SETPOINTS WHILE PROGRAMMING
M18589
3
69-1199-4
DIGITAL DISPLAY
SET CURRENT DAY/TIME SETS CURRENT TIME AND DAY
RUN PROGRAM RETURNS THERMOSTAT TO NORMAL OPERATING MODE
Run Program
Set Current Day/Time
HOLD TEMP SETS A HOLD TEMPERATURE AND ACTIVATES VACATION HOLD FEATURE.
Owner's Manual - Page 4
... TIME OF DAY OR PROGRAM TIMES
SHOWS WHEN THERMOSTAT IS IN THE PROGRAMMING MODE
SHOWS THERMOSTAT IS IN THE SET DAY/TIME MODE
SHOWS TEMPERATURE SETTING CHANGED FOR THIS PROGRAM PERIOD
SHOWS VACATION HOLD DURATION
SHOWS CURRENT DAY OR DAYS BEING PROGRAMMED
SHOWS CURRENT PROGRAM PERIOD OR PERIOD BEING PROGRAMMED
Set Program
Set Day/Time Temporary Setting
Hold for Em Ht
AM
Aux Ht
Room Humid...
Owner's Manual - Page 5
Table 1. Compatibility Chart.
Package Contents
• Thermostat • Wiring labels
• Wallplate • Owners manual
• ...
q Check Table 1, the compatibility chart, to make sure the thermostat is not compatible, call Honeywell Customer Care, toll-free, 1-800-468-1502.
Not compatible with CT3500/CT3595
Gas - System Type
Compatibility with 3-wire zone valves or ...
Owner's Manual - Page 6
...Thermostat that has Six or More Wires
If there are replacing a Honeywell Chronotherm® Thermostat, you may find one or two wires going to make sure they do not operate the cooling system when outdoor temperature...the screw or screws holding the thermostat to the place of a multistage heat pump or other multistage system. Wrap the wires around a pencil as shown to keep them to be labeled...
Owner's Manual - Page 7
...a heating only system and can operate the fan using the fan ON switch this thermostat works with the wall. Use a
pencil to mark the two mounting holes that ... relay on the wall. M16427
q Remove the wallplate from the thermostat.
For materials such as shown.
STEP 3. q Tighten mounting screws. Your thermostat will work only if you have three wires.
q Position the ...
Owner's Manual - Page 8
... the wall with the
corresponding terminal letter on the wires when you placed on your new thermostat. If unsure about household wiring procedures, call your old thermostat wire with insulation to both
acceptable, (see pages 22-23. q Match the letter of those terminals.
M16425
69-1199-4
8
R
q Loosen the terminal screws.
STEP 4. FOR WRAPAROUND...
Owner's Manual - Page 9
...Thermostat
Connect To
Description
R, RHa, 4, V
R
Power
Rc, Ra
Rc
Power for programming... and operation of the wire with electrical tape and push the taped wire back into the wiring hole in cool. (Single stage heat pump only).
Terminal Designations on existing thermostat... New Thermostats.
Second...
Tape off end of the thermostat and the heating/cooling system.
a...
Owner's Manual - Page 10
... F position. You must reset the time and day. As a precaution when leaving home for most systems. If your thumb between the thermostat and wallplate and pulling the thermostat up and away as shown. SET FAN OPERATION SWITCH
The thermostat fan operation switch, labeled FUEL SWITCH is blank, the batteries are running low, a REPL BAT message flashes for...
Owner's Manual - Page 11
... points can change any of these settings. ENGAGE TABS AT TOP
OF THERMOSTAT AND WALLPLATE. PRESS LOWER
EDGE OF CASE TO LATCH.
You now can damage the keyboard. The settings are: -
CUSTOMIZE YOUR THERMOSTAT
Your Honeywell thermostat comes preset to the most commonly used settings. FEATURE NUMBER
OPTION M13330
11
69-1199-4 B. Temperature °F. - 12-hour clock format...
Owner's Manual - Page 12
... to main display.
To turn Smart Response technology on (preset). - 1 = Smart Response technology off :
q Press once. q Press Time
Run
to move to next feature or Program to return to main display.
To change temperature format:
q Press once. To change your system type:
q Press until display shows your furnace or boiler type.
System Type...
Owner's Manual - Page 14
... your schedule for activities before bedtime. (This is a lower temperature during the heating season and a higher temperature during the cooling season). The thermostat displays day, time, program period, temperature and system settings. The thermostat preprogrammed settings are sleeping. (This is located behind the thermostat cover. The three most frequently used keys are away at...
Owner's Manual - Page 15
Program Weekdays
Start by programming the wake time and temperature for weekdays.
q Press Time
or
key until (Mon-Fri) displays. For example, 8:00, 8:15, 8:30.
Wake
q Press Day until the desired time shows in 15 minute intervals.
Table 3. Period Wake
Leave
Return
Sleep
Default Setting Time (6:00AM) Heata (70°F/21°C) Coolb (78°F/25.5°...
Owner's Manual - Page 16
... approximately 3 seconds until the time and temperature clear.
q Press Day until the display shows the desired temperature setpoint. q Press and hold the , Leave Return , or Sleep for cooling. q
Run
Press Program
when the entire week is now programmed. q Press or until the desired day displays (Mon-Fri Sat;
Clear a Program Period
NOTE: Wake cannot be cleared.
Sun...
Owner's Manual - Page 17
... the Temperature Setting Until a Designated Day and Period (Vacation Hold)
q Press Hold Temp twice.
STEP 11. Change Temperature Setting Indefinitely (Hold) q Move the System switch to room temperature after approximately three seconds).
NOTE:
If the Vacation Hold needs to select the program period when you press
Run Program
. q Press Hold Temp then or to change your setting if...
Owner's Manual - Page 19
...is in the On position, and set the heating higher or the cooling lower). Set the system switch to On if it if necessary. cannot set it to Heat.
19
69-1199... not come on the wallplate. Make sure the temperature setpoints are fresh and installed correctly. If... Make sure the circuit breaker is above the room temperature. Make sure the thermostat is mounted and latched on .
•
&#...
Owner's Manual - Page 20
... number of this thermostat. If...
Display flashes during programming. Solution Guide.
...settings are correct. • Make sure the current time and day settings are correct. • Reprogram any incorrect settings.
Then...
• Make sure the cooling setpoint is below model number). • Type of thermostat). • Thermostat date code. (Located below the room temperature...
Owner's Manual - Page 21
... actually a small computer. The Smart Response technology calculates the correct time of day to the local weather, your lifestyle, the construction of day when you want the comfort temperature established. When the thermostat activates Smart Response technology, the thermostat displays In Recovery, changes the setpoint, and turns on your heating/cooling system. • You can...
Owner's Manual - Page 23
... is a Class B digital apparatus that complies with Canadian Radio Interference Regulations, CRC c. 1374.
23
69-1199-4 5-WIRE HEAT/COOL (JUMPER REMOVED)
THERMOSTAT B
RC O W Y
R
G
5-WIRE HEAT/COOL WITH DAMPER (JUMPER INTACT)
THERMOSTAT B
RC O W Y
R
G
HEATING RELAY OR VALVE COIL
1
FAN RELAY
COOLING CONTACTOR COIL
1
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION...
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