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T4700 Chronotherm™  
Electronic  
Programmable  
Line Voltage  
Thermostat  
OWNER’S GUIDE  
®
U.S. Registered Trademark  
Copyright © 2003 Honeywell International Inc.  
All Rights Reserved  
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•
•
Night and day setback of space  
temperature can save up to 29  
percent of the energy used to  
heat a controlled zone.  
Offers up to a 12 percent energy  
saving during comfort periods  
compared with conventional bi-  
metallic electric heating  
thermostat, according to the  
Electric Power Research  
Institute.  
Features  
•
Digital temperature sensing and  
control for energy efficient  
precision operation.  
•
•
Flexibility of 5-1-1 day or 7-day  
programming  
Exceptional comfort control of  
resistance-rated heating  
equipment.  
Patented CoolSwitch™ design  
•
offers a long service life.  
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Welcome ... to the world of comfort and  
energy savings with your new Honeywell  
programmable thermostat.  
Contents  
Features .................................................  
2
4
5
5
5
6
Specifications .........................................  
Programming Thermostat.......................  
Initial Power-Up.................................  
Factory Set Programming .................  
Thermostat Reset..............................  
Your new T4700 Chronotherm™  
Programmable Electronic Line Voltage  
Thermostat is designed to provide you with  
reliable, precise temperature control. When  
you follow the simple programming  
Homeowner Programming ................ 6  
instructions in this manual, your thermostat  
automatically controls the temperature in  
your home, saving energy and allowing you  
to awake (or return home) to a comfortable  
temperature in your home.  
Setting the Current Day and Time .........  
Setting the Daily Schedule (7-Days........  
Copying Schedules to Another Day .......  
7
8
9
Overriding a Program............................. 10  
Programming Additional Functions ........ 10  
Checkout ................................................ 12  
Troubleshooting...................................... 12  
Customer Assistance.............................. 13  
One-Year Limited Warranty .................... 14  
Please direct any questions about the  
operation of this thermostat to Honeywell  
Customer Assistance at 1-800-468-1502.  
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Wiring: 6 in. (150 mm) stranded copper  
leadwires, suitable for connection to  
aluminum wiring if approved special  
service CO/ALR connectors are used.  
Specifications  
Models:  
T4700A: SPST; makes heating circuit  
on temperature fall.  
Electrical Ratings (Noninductive):  
T4700B: DPST; makes heating circuit  
on temperature fall. Breaks both  
sides of 240 volt line with switch in  
OFF position.  
3800W, 16A maximum;  
500W, 2A minimum at 240V, 60 Hz.  
Sensing Element: Electronic  
thermistor.  
Temperature Ratings:  
Operating Range: -20 to +104°F (-30°  
to +40°C).  
Switching: Patented CoolSwitch®.  
Control Range: 45 to 80°F (7 to 27°C)  
in 1° increments. Factory set at 16°C  
(61°F).  
Humidity Ratings: 55 to 95 percent  
RH, non-condensing.  
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Programming Thermostat  
Factory Set Programming  
The thermostat defaults to a normal non-  
programmable thermostat at power-up,  
indicated with Hold appearing in the  
display. Pressing the Prog key once enters  
the programming mode. The thermostat is  
preset with a factory set schedule for 7  
days, see Table 1.  
Initial Powerup  
When the thermostat is first powered up (or  
after eight hours of continuous power loss),  
the display blinks for two seconds and then  
undergoes a self-test — while 00E displays  
for about 15 seconds.  
This is followed by the display flashing  
(
1:00 PM); the internal checkout is  
Table 1. Preset Factory Schedule  
for 7-days.  
complete and the thermostat is ready to be  
programmed.  
Event  
WAKE  
Time  
Temperature  
70°F (21°C)  
61°F (16°C)  
70°F (21°C)  
61°F (16°C)  
To verify that the thermostat is turning on  
the baseboard heater, press the (+) key  
until the setpoint displayed exceeds the  
room temperature.  
6:00 AM  
8:00 AM  
6:00 PM  
10:00 PM  
LEAVE  
RETURN  
SLEEP  
The (°) symbol is flashing. Feel for warmth  
in the area close to the heating element;  
the unit should be starting to generate heat.  
Press and hold the Prog key to return the  
thermostat to the Run mode.  
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your equipment response time, to give the  
equipment time to adjust the temperature  
before you get up.  
Thermostat Reset  
The T4700 can be reset to its default  
settings (Table 1) by inserting a bent paper  
clip or similar wire into the small hole on the  
front of the thermostat (next to to the (+)  
key with the cover open). This resets only  
the clock; the programmed schedule is  
retained.  
LEAVE is the time you can set for an  
energy-saving temperature while you are  
away at work or school.  
RETURN is the time the thermostat turns  
on the equipment after an energy saving  
period. When deciding what time to set for  
your RETURN period, include extra lead  
time, depending on the outside  
Homeowner Programming  
IMPORTANT  
temperature and your equipment response  
time to give the equipment time to adjust  
the temperature before you arrive home.  
After programming is complete, the  
device reverts to normal Run mode  
within five minutes, if no key was  
pressed, and any new setting is  
stored in its memory.  
SLEEP is the time you can set for an  
energy-saving temperature while you are  
sleeping.  
The thermostat is flexible and can be  
programmed to meet your lifestyle. Four  
time periods are available:  
IMPORTANT  
Always press the keys with you fin-  
gertip or similar blunt tool. Sharp  
instruments like pens and pencil  
points can damage the keys.  
WAKE is the time the thermostat turns on  
the equipment after an energy saving  
period. When deciding what time to set for  
your WAKE period, include extra lead time,  
depending on the outside temperature and  
See Tables 2 - 6 to program your  
thermostat.  
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Table 2. Setting the Current Day and Time.  
Step  
Press This Key  
Display Shows  
Description  
1
Displays day of the week.  
2
3
Displays changed day of the week.  
Displays hour of the day.  
4
5
Displays changed hour of the day.  
Displays minute of the day.  
6
Displays changed minute of the  
day.  
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Table 3. Setting the Daily Schedule (7-Days).  
Press This Key Display Shows Description  
Step  
1
Scrolling through the display shows  
the first day to program, beginning  
with Monday.  
2
Displays WAKE time.  
3
4
5
6
Displays changed WAKE time in  
ten-minute increments.  
Displays WAKE setpoint  
temperature.  
Displays changed WAKE setpoint  
temperature.  
Displays LEAVE time.  
NOTE: Continue through LEAVE, RETURN, and SLEEP periods using the same procedure  
to set the time and temperature for each period. To easily copy one day schedule to  
another day, see Table 4.  
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Table 4. Copying Schedules to Another Day.  
Press This Key Display Shows Description  
Step  
1
Selects and displays the day to be  
copied; for example, MOnday.  
2
3
Displays COPY FROM day  
(
MOnday).  
Displays COPY TO day (TUesday).  
4
Enters the program.  
(
NOTE: Repeat sequence to copy  
additional days.)  
NOTE: To exit the programming mode: 1) press and hold the Prog key for three seconds and  
the display returns to Run mode, or 2) during the programming session, after five minutes  
elapsed time with no program change, the display reverts to Run mode. This does not  
change any of the programmed steps. Simply keep pressing the Prog key until you arrive  
at the desired mode.  
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Table 5. Overriding a Program.  
Press This Key Display Shows  
Step  
Description  
Temporarily Overriding a Program  
Temporary  
Changes to TEMPorary mode and  
controls at a new temperature until  
the next scheduled event (for  
example, RETURN).  
(
TEMP)  
Mode  
Indefinitely Overriding a Program  
Hold  
Changes to HOLD mode and controls  
at the HOLD temperature indefinitely.  
(
HOLD)  
Mode  
Increases or decreases the HOLD  
temperature.  
Changes from the HOLD mode to the  
RUN mode.  
to °C or °F temperature setting, or to 7-day  
or 5-1-1 programming), see Table 6.  
Programming Additional  
Functions  
To change display or function (for example,  
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Table 6. Programming Additional Functions.  
Press This Key Display Shows Description  
Function  
Begin  
Press and hold both the Prog and  
Func keys. Initially a random four-  
digit/letter display occurs (for  
example, FF FF). Continue to  
press Prog key until temperature  
symbol appears.  
sequence to  
convert  
display  
or mode.  
Convert to °C  
or °F.  
Press Prog key a second time to  
display °C.  
Use (+) key to change to °F if  
desired (or °F to C°).  
Convert 5-1-1  
to 7 day.  
Press Prog key a third time to  
display 511d.  
Press (+) key to change mode to  
7
-day programming (or back to 5-  
-1 programming). Then adjust  
1
using the (+) or (-) keys.  
NOTE: To exit the programming mode: 1) press and hold the Prog key for three seconds and  
the display returns to Run mode, or 2) during the programming session, after five minutes  
elapsed time with no program change, the display reverts to Run mode. This does not  
change any of the programmed steps. Simply keep pressing the Prog key until you arrive  
at the desired mode.  
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1
.
Press the (+) key until the setpoint  
displayed exceeds the room temper-  
ature to verify that the thermostat is  
turning on the baseboard heater.  
Checkout  
After initial thermostat powerup (or after  
eight hours of continuous power loss), the  
display blinks for two seconds, then runs a  
self-test (when 00E displays) for 15  
2. When the (°) symbol is flashing, feel  
for warmth near the heating element  
that indicates that the unit is gener-  
ating heat.  
seconds. When the internal self-test  
checkout is complete, the display flashes  
(
1:00 PM) and the thermostat is ready to be  
3. Press and hold the Prog key until  
the thermostat returns to the RUN  
mode.  
programmed.  
Troubleshooting  
Display Code  
Cause  
Action  
Oload  
Connected load  
Ensure total baseboard wattage connected does  
not exceed 3800W. A fire hazard exists if wattage  
exceeds 3800W. Push Reset key to clear and reset  
clock.  
exceeds 3800W.  
06E  
Power failure  
detected.  
Push Reset key to clear and reset clock.  
Missing segment Unknown.  
or other abnormal  
display.  
Push Reset key to clear and reset clock. If problem  
persists, call Honeywell Customer Response  
Center at 1-800-468-1502.  
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Customer Assistance  
Please direct any questions about the operation of this thermostat to Honeywell Customer  
Assistance at 1-800-468-1502, Monday-Friday, 7:00 a.m. - 5:30 p.m. Central time.  
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Limited One-Year Warranty  
Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or  
materials, under normal use and service, for a period of one (1) year from the date of purchase by the  
consumer. If, at any time during the warranty period, the product is defective or malfunctions, Honeywell  
shall repair or replace it (at Honeywell’s option) within a reasonable period of time.  
If the product is defective,  
(
i) return it, with a bill of sale or other dated proof of purchase, to the retailer from which you purchased  
it, or  
(
ii) package it carefully, along with proof of purchase (including date of purchase) and a short description  
of the malfunction, and mail it, postage prepaid, to the following address:  
Honeywell Return Goods  
Dock 4 MN10-3860  
Canada:Honeywell Limited/Honeywell Limitée  
Product Services ON15-FFE  
1
885 Douglas Dr N  
740 Ellesmere Road  
Golden Valley, MN 55422  
Scarborough, Ontario M1P 2V9  
This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by  
Honeywell that the defect or malfunction was caused by damage which occurred while the product was in  
the possession of a consumer.  
Honeywell’s sole responsibility shall be to repair or replace the product within the terms stated above.  
HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY  
INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR INDIRECTLY, FROM  
ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS  
PRODUCT. Some states do not allow the exclusion or limitation of incidental or consequential damages,  
so this limitation may not apply to you.  
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THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT.  
THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF  
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS HEREBY LIMITED TO THE  
ONE YEAR DURATION OF THIS WARRANTY. Some states do not allow limitations on how long an  
implied warranty lasts, so the above limitation may not apply to you.  
This warranty gives you specific legal rights, and you may have other rights which vary from state to state.  
If you have any questions concerning this warranty, please write Honeywell Customer Assistance Center,  
1
7
985 Douglas Dr, Golden Valley, MN 55422 or call 1-800-468-1502, Monday-Friday,  
:00 a.m. to 5:30 p.m., Central time. In Canada, write Retail Products ON15-02H, Honeywell Limited/  
Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V4Z9.  
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Automation and Control Solutions  
Honeywell International Inc.  
985 Douglas Drive North  
Golden Valley, MN 55422  
Honeywell Limited-Honeywell Limitée  
1
35 Dynamic Drive  
Scarborough, Ontario  
M1V 4Z9  
Printed in U.S.A. on recycled  
69-1396—2 G.H. Rev. 1-03  
paper containing at least 10%  
post-consumer paper fibers.  
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