Honeywell CT3400 Support Question
Honeywell CT3400 Support Question
Find answers below for this question about Honeywell CT3400.Need a Honeywell CT3400 manual? We have 1 online manual for this item!
Question posted by parrissenior on December 3rd, 2014
Problem With Ct3400 Thermostat
My ct3400 thermostat said to replace batteries, however changing the batteries, it still says "replace batteries" ?
Current Answers
Answer #1: Posted by TommyKervz on December 8th, 2014 6:36 AM
TommyKervz
Member since:
January 10th, 2013 Points: 17,776,813
Member since:
January 10th, 2013 Points: 17,776,813
Set the system switch to OFF. Remove batteries. Insert back-
ward for at least five seconds to reset thermostat. Replace
batteries correctly. Display should come on
Related Honeywell CT3400 Manual Pages
Owner's Manual - Page 1
...22%
20%
18%
16%
14%
12%
10%
8%
6%
4%
2% Minneapolis St. Form Number 69-0733-3
69-0733-3
PROGRAMMING AND INSTALLATION INSTRUCTIONS
Honeywell/34
Model CT3400/CT3455
THERMOSTAT
Low Voltage (20 to 30 Vac)Thermostat and Wallplate
PROGRAMMABLE
Programmable Heat and/or Cool
Weekday/Saturday/Sunday
Approximate percentage of these savings). Louis Columbus
New York Louisville...
Owner's Manual - Page 2
.... TOTAL COMFORT TEMPERATURE MANAGEMENT WITH ADAPTIVE INTELLIGENT RECOVERY™
Congratulations! We invite you have the house at 1-800-468-1502. Recycling Thermostat
M3375
If this control, or of this thermostat is replacing a control that will arise as you wake up or return home. You made a smart choice when you leave home or go...
Owner's Manual - Page 3
Table Of Contents
STEP 1 Prepare For Installation ...2 STEP 2 Remove Old Thermostat 4 STEP 3 Before You Program ...6
Install the Batteries ...6 Adaptive Intelligent Recovery™ Selection 7 STEP 4 Program The Thermostat 9 STEP 5 Mount Thermostat Wallplate 16 STEP 6 Adjust System On-Time, Clock Display, as Required 18 STEP 7 Adjust Fan Operation Switch, as Required 20 STEP 8 Wire ...
Owner's Manual - Page 4
... for a screw used to keep them
from falling back into
the wall, as needed (below 50°F (10°C). s Disconnect wires from the old thermostat. M5136
Replacing a clock thermostat that go to be labeled. As you may find one or two wires that has C or C1 clock terminals? WALL OPENING
Wrap wires around...
Owner's Manual - Page 5
...? However, some hot water (zoned) heating systems have three wires for 1 to 2 months before batteries run out completely. Batteries must be
in effect, as
shown in back of the thermostat and heating/cooling system. Replace the batteries as soon as shown, making sure positive (+) terminals all face toward the right. However, if the
display is...
Owner's Manual - Page 6
...thermostat has a low battery indicator, replace the batteries once a year to prevent leakage and to prevent the thermostat and heating/cooling system from shutting down due to lack of the time your furnace or air conditioner comes on to use.
nonalkaline batteries... THERMOSTAT IS SET FOR CONVENTIONAL RECOVERY
mostat display as the seasons change batteries before reaching your lifestyle, home...
Owner's Manual - Page 7
... will probably be helpful when planning your finger or a soft pencil eraser. You can also change NIGHT or cancel it is installed on the wall. The following personal programming chart (pages 11...plastic overlay covering the display. STEP 4 Program The Thermostat
After the batteries are installed, the thermostat can set for an energy-saving temperature while you please.
If you left off.
Owner's Manual - Page 9
...HEAT, press and release Morning .
Run
Press and release Program to move number back;
Batteries are required for cooling; For Saturday, press Day
a
to program Saturday morning time and...
Repeat using DAYTIME, EVENING, NIGHT keys. Repeat steps as desired. When programming your new thermostat, use
a
Time
and
Temp
to SAT. SET PRESENT TIME
Press and release
Set Present
...
Owner's Manual - Page 10
... on vacation)-
M5932A
16
69-0733-3
INSTALLATION For operating or making changes, use this guide. Permanently Change a program-Repeat steps under Heating Program (page 13) or Cooling ..., and cancels itself at next scheduled change. Morning cannot be cancelled (only changed). Return to move number ahead.
15
69-0733-3
STEP 5 Mount Thermostat Wallplate
s Position wallplate on to cancel...
Owner's Manual - Page 11
... tap anchors (provided) into holes. If you want longer furnace on the back of the thermostat, using the heating system table in the illustration as marked. LEVEL M611B
17
69-0733-3
STEP... a warm air, gas or oil heating system. leave in completely, then adjust for appearance only; thermostat functions properly even when not level. s Remove wallplate from wall, and drill 3/16 inch holes in...
Owner's Manual - Page 12
... a 12-hour clock and the temperature in degrees Fahrenheit.
s The thermostat is an electric furnace, set in the left battery
4A
must be removed to the right (ELEC) position. The ELEC ... an explanation of the Recovery Selection screws (3A), see pages 7 and 8.
19
BACK OF THERMOSTAT
RECOVERY SELECTION
3A
ADAPTIVE
IN
INTELLIGENT TM (FACTORY SETTING)
CONVENTIONAL
OUT 1 TURN
3A 1A 1B ...
Owner's Manual - Page 13
... wiring connections are acceptable (see illustration). s Plug the hole in the wall with insulation to re-
If unsure about household wiring procedures, call your old thermostat. s Loosen the terminal screws and slip each wire beneath its matching terminal. s Match the letter of the corresponding letter on pages 22 and 23. FOR...
Owner's Manual - Page 14
... RELAY OR VALVE COIL
FAN RELAY
1
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
1 M 615A
23
69-0733-3
STEP 9 Mount The Thermostat
AM
MON DAYTIME
HEAT ON
A.
SWING COVER OPEN FOR CHECKOUT AND PROGRAMMING
AM
MON DAYTIME
HEAT ON
Set Present Day Time
Hold Temp
Day Morning
...
Owner's Manual - Page 15
... switch to COOL and the fan switch to AUTO. Press up to five minutes before turning on the air conditioner.
NOTE: When cooling setting is changed, thermostat may delay up arrow of key until the setting is about 10°F (6°C) above room temperature. stead, you could jumper R and W wires
at
the...
Owner's Manual - Page 16
...HEAT OFF COOL
FAN
ON AUTO
Move the system switch to OFF and the fan switch to the thermostat.)
FAN AUTO: Normal setting for more efficient electronic air cleaning. (In a heat-only system,... air circulation during special occasions or for most homes. A single-speed fan turns on back of thermostat is in the AUTO position, fan cycles with the furnace.
When the fan switch is set the...
Owner's Manual - Page 17
...should come on.
Temperature change occurs at least five seconds to reset thermostat.
Remove batteries.
Do not use anything abrasive on . s Gently clean battery contacts using a soft ...;C to OFF. HEAT OFF COOL
COOL: The thermostat controls your programmed comfort periods.
30
69-0733-3 Replace batteries correctly.
Display does not come on the clips....
Owner's Manual - Page 18
...batteries. s Check for correct wiring and good connections.
s The thermostat has a built-in time delay on thermostat is too warm or too cool. Allow up to HEAT.
If your air conditioner comes on after changing...not come on , contact your heating dealer. s Check the system fuse or circuit breaker and replace or reset if necessary. If heat does not come on . s Check that R-Rc jumper...
Owner's Manual - Page 19
... is normal for the furnace to heat up and the fan to come on thermostat
insulation to within ± 1°.
Incorrect room temperature s Make sure the ...
33
69-0733-3
Index
Adaptive Intelligent Recovery 7,8
Batteries, installation 6 Batteries, replacement ........ 6,7 Blinking display 6 Canceling programs 15 Change temperature 15 Checking current setting ....... 15 Clock display...
Owner's Manual - Page 20
... p.m., Central time. If the product is defective or malfunctions, Honeywell shall repair or replace it (at any questions concerning this product, excluding battery, to be to repair or replace the product within a reasonable period of purchase, to the retailer from state to the thermostat. in the possession of incidental or consequential damages, so this...
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