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Most Recent Honeywell CT3451 Questions
I'm Having Problems Setting In And Changeing Temperature
(Posted by jcarrier933 1 year ago)
How Do I Reset So It Will Work?? It Seems To Be Stuck In A Program
(Posted by hotwheelbabie 11 years ago)
Need Programming Instructions For This Unit
(Posted by bronek 12 years ago)
How Do I Get A Owners Manuel For A Honeywell Ct3451 Thermostat
(Posted by bobi741 12 years ago)
How Do I Get A Owner's Manuel For A Honeywell Ct3451 Thermostat
(Posted by bobi741 12 years ago)
Popular Honeywell CT3451 Manual Pages
Owner's Manual - Page 1
... sure this thermostat is replacing a control that can provide you with your home, keeping you comfortable while saving energy when programmed according to these instructions. Your new thermostat automatically controls the temperature in the trash. Dispose of an old control.
If not, return it properly.
See Fig. 1. CT3451 Programmable Thermostat
OWNER'S GUIDE
MERCURY NOTICE...
Owner's Manual - Page 2
... of screws, instructions and receipt.
...CT3451 PROGRAMMABLE THERMOSTAT
2 REMOVE OLD THERMOSTAT
❑ Test to be sure your heating and air conditioning systems (where applicable) are replacing a Honeywell Chronotherm® Thermostat, you may find one or two wires that go to the C or C1 clock terminals on the Chronotherm® Thermostat wiring wallplate. Handling wires during installation...
Owner's Manual - Page 3
...WALL 1
WALL ANCHORS (2)
CT3451 PROGRAMMABLE THERMOSTAT
TERMINAL SCREW
FOR STRAIGHT INSERTION...thermostat. 3 MOUNT WALLPLATE
IMPORTANT Level for appearance, if desired. See Fig. 5.
Gently tap provided anchors into the holes.
❑ Level for typical system wiring diagrams.
3
69-1620-1 Loosely insert the mounting screws into the drilled holes until flush with local electrical codes...
Owner's Manual - Page 4
Typical heat system hookup with single transformer. CT3451 PROGRAMMABLE THERMOSTAT
THERMOSTAT G Rc
R
3
1 L1 (HOT)
L2
W Y
HEAT RELAY
FAN RELAY
COMPRESSOR CONTACTOR
B
O
2
COOL DAMPER
2
HEAT DAMPER
TRANSFORMER
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 ...
Owner's Manual - Page 5
M20512
CT3451 PROGRAMMABLE THERMOSTAT ❑ Swing down due to lack of the thermostat onto the wallplate to the E (electric) position. Typical single-stage heat pump system hookup.
5 ADJUST FAN OPERATION SWITCH
The thermostat fan operation switch, labeled fuel switch in Fig. 11, is set at the top of the thermostat and
wallplate.
7 INSTALLING AND REPLACING BATTERIES
The thermostat requires...
Owner's Manual - Page 6
...12 is shown, but information displayed varies by model).
M12582A
- CT3451 PROGRAMMABLE THERMOSTAT
AA BATTERIES (3)
PM TUE
AuFtoANOn
Hold
Select
CoolSOYfSf THEeMat
- Aggressive algorithm control. Press the ▲ key to the °F/°C indication and the heat cycle rate.
❑ Enter Installer Setup. - M12588A
- To change these settings using the instructions that follow.
Owner's Manual - Page 7
...+). See energy saving charts at a comfortable temperature when you want to set for your convenience with your heating Wake time. CT3451 PROGRAMMABLE THERMOSTAT
NOTE: The heating and cooling program times are away from home during the day.
SET
M18534
To use only.)
M14692
❑ Exit Installer Setup. - A flame (heating) or a snowflake (cooling) appears in the morning. Press...
Owner's Manual - Page 8
CT3451 PROGRAMMABLE THERMOSTAT
SET
M12625C
2.
Press Select. Return a. Press Select. Press ▼ or ▲ key to set Wake temperature. Leave a. Press Select. Press ▼ or ▲ key to set Return time.
Press Select. Wake a. Press Select.
Sleep a. Press ▼ or ▲ key to set Wake time. Press Select. Press Select. Setting Saturday and Sunday Programs
...
Owner's Manual - Page 9
... or ▲ key to set to the desired fan setting.
9
69-1620-1 See. CT3451 PROGRAMMABLE THERMOSTAT
Setting Indefinite Temperature Hold
The Hold key allows you to set the Sunday program.
6. Repeat steps 1-4 in effect until the next program period. Repeat programming steps to set heat or cool program, as desired.
10 OPERATE YOUR THERMOSTAT
Displaying Temperature Setting
❑ Press ▼...
Owner's Manual - Page 10
... temperature can cause compressor damage. indicates the minimum off . A flashing snowflake is triggered. CT3451 PROGRAMMABLE THERMOSTAT
System Switch
❑ The System switch settings control thermostat operation as follows: Cool: The thermostat controls the cooling system. Heat: The thermostat controls the heating system.
❑ Slide the System switch on again for heat.
The...
Owner's Manual - Page 11
.... TROUBLESHOOTING
CT3451 PROGRAMMABLE THERMOSTAT
Table 4.
Temperature display does not go lower than 40°F (4°C) or higher than the current room temperature and the snowflake is displaying, the thermostat is lower than 99°F (37°C during programming. Be sure that the System switch is set to Cool. • Check the system fuse or circuit breaker and replace...
Owner's Manual - Page 12
... while the product was in U.S.A. www.honeywell.com/yourhome on how long an implied warranty lasts, so the above . This warranty gives you specific legal rights, and you purchased it, or (ii) package it is defective, (i) return it (at least 10% post-consumer paper fibers. CT3451 PROGRAMMABLE THERMOSTAT
PERCENT OF HEATING COSTS YOU CAN SAVE...
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