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Limited One-Year Warranty  
Make certain that your  
heating system is  
working, especially if it has  
been inoperative for a length of  
time. If the system does  
not work, contact your local elec-  
trician for assistance.  
CT1700A ultrastat MOTION-ACTIVATED  
YOUR HONEYWELL THERMOSTAT  
Honeywell warrant this product to be free from defects in the workmanship or materials, under nor-  
mal 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.  
Your new Honeywell CT1700 adjusts room temperature to  
maximize comfort and energy savings by sensing light and  
motion. It provides 15% to 23% energy savings compared to  
nonprogrammable electric heating thermostats. The CT1700  
replaces any two-wire, spst, line voltage thermostat used for  
controlling electric baseboard heat.  
LINE VOLTAGE THERMOSTAT  
Programmable control for baseboard heaters.  
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:  
Temperature Setting Range: 44 °F to 80 °F [7 °C to 27 °C].  
Motion Detection: Infrared detection up to 23 ft [7m]; 60 degrees vertical  
and 110 degrees horizontal viewing angle.  
Light Detection: Photoresistive element with adjustable light level  
sensitivity.  
(
1
Honeywell Inc.  
in Canada:  
Honeywell Limited/Honeywell Limitée  
Product Services ON15-FFE  
740 Ellesmere Road  
Return Goods Department  
1050 Berkshire Lane  
Plymouth, MN 55441-4437  
Carefully unpack your new  
thermostat.  
PREPARATION  
Scarborough, Ontario M1P 2V9  
Switching: Triac based (spst).  
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.  
Proper installation of your  
Ratings: 10.5A maximum at 208 to  
CONTENT  
SECTION  
Save instructions, receipt  
and proof-of-purchase.  
Honeywell thermostat will  
occur if you follow instructions  
step-by-step. It is recom-  
mended that as you read,  
understand and complete each  
step, you check it off with  
pencil or pen.  
2
40 Vac, 50/60 Hz, 2500W. (To  
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 consequen-  
tial damages, so this limitation may not apply to you.  
determine baseboard wattage,  
check the nameplate or  
measure the length of the  
baseboards the thermostat will  
control. Generally, if the length of  
the baseboards is more than ten  
feet per thermostat, the wattage  
is probably over 2500W. You  
need to call an electrician.)  
PREPARATION  
1
2
3
4
5
6
THERMOSTAT FEATURES  
REMOVE OLD THERMOSTAT  
WIRE AND MOUNT NEW THERMOSTAT  
CHECK fOUT THERMOSTAT  
PROGRAMMING  
THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PROD-  
UCT. THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF MER-  
CHANTABILITY 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.  
Check thermostat suitabil-  
ity for your homes system  
by reviewing the ratings listed on  
This warranty gives you specific legal rights, and you may have other rights which vary from state to  
state.  
Not for use with central heating  
systems or fan-forced heaters.  
If you have any questions concerning this warranty, please write our Customer Assistance Center,  
Honeywell Inc., P.O. Box 524, Minneapolis, MN 55440-0524 or call 1-800-468-1502, Monday-Friday,  
7:00 a.m. to 5:30 p.m., Central time. In Canada, write Retail Products ON15-02H, Honeywell Limited/  
Honeywell Limitée, 740 Ellesmere Road, Scarborough, Ontario M1P 2V9.  
the front of these instructions.  
Do-it-yourself model.  
J. H. 12-93 Printed in Canada ©Honeywell Inc. 1993 Form Number 69-0820  
WIRE AND  
Prebend and push the  
wires into the outlet box.  
Mount the thermostat on the  
outlet box using the screws  
provided.  
Loosen the screws  
holding the thermostat  
base to the electrical box and  
lift away.  
MOUNT NEW  
THERMOSTAT  
REMOVE  
OLD  
Disconnect wires from  
L1  
T1  
2
3
the old thermostat. If 4 5  
THERMOSTAT  
the old thermostat was not  
mounted to a vertical outlet  
box, install a box now.  
3
CHECK OUT  
Remove the CT1700A  
THERMOSTAT FEATURES  
THERMOSTAT  
cover by grasping the top  
or bottom edges and pulling  
outward away from the thermo-  
stat base.  
SOLDERLESS  
CONNECTORS  
MODE INDICATOR  
SHOWS WHICH MODE  
IS OPERATING  
!
ELECTRIC  
HEATER  
CAUTION  
Turn on the power to the  
heating system. The  
thermostat will display SCfor  
To prevent electrical shock or  
equipment damage, disconnect  
power supply before beginning  
installation.  
Check the old wire  
insulation for cracks,  
nicks or fraying, and apply UL  
Listed/CSA Certified electrical  
tape where necessary, for  
adequate insulation.  
1
2
Occupied-darkindicator  
will flash for two minutes  
while the thermostat program is  
being initialized. Next, the  
actual operating program will  
be displayed. (It takes three  
minutes from turning on the  
power for the programmed  
temperature to be displayed.)  
MODE SYMBOLS  
L1  
HOT)  
(
COMFORT  
TEMPERATURE SETTING  
L2  
1
5 seconds, showing the  
Connect wires to the  
thermostat, as shown in  
the wiring diagram, using  
approved solderless wire  
connectors.  
system is operating properly. If  
an Eflashes continuously, the  
thermostat is defective. Return  
the thermostat for a replace-  
ment unit.  
LCD DISPLAY  
1
POWER SUPPLY. PROVIDE DISCONNECT  
MEANS AND OVERLOAD PROTECTION  
AS REQUIRED.  
SET KEY FOR CHANGING  
THE SETTINGS IN  
MODES OR READING  
ROOM TEMPERATURE  
Begin by turning off power  
to the heating system.  
ECONO  
Retain the old thermo-  
stat for reference later  
and until your new thermostat  
is functioning smoothly.  
2
SPECIAL SERVICE CO/ALR SOLDERLESS  
CONNECTORS MUST BE USED WHEN  
CONNECTING WITH ALUMINUM  
CONDUCTORS; OTHERWISE, A FIRE  
HAZARD CAN RESULT.  
SET SEL  
SELECT KEY FOR  
CHANGING FROM  
MODE TO MODE  
Remove cover of old  
thermostatcover  
normally snaps off when pulled  
firmly from the bottom. If it  
resists, check for a screw that  
locks on the cover.  
NOTE: Special service CO/ALR  
wire connectors must be  
used when connecting with  
aluminum conductors;  
otherwise, a fire hazard can  
result.  
3
TRIAC CONDUCTS EVERY 15 SECONDS  
UNLESS ROOM TEMPERATURE IS ABOVE  
LIGHT SENSOR WINDOW  
M9072  
SETPOINT.  
M3643A  
Sample Programs  
Fahrenheit or Celsius Temperature  
Display  
Select Fahrenheit or Celsius by  
tapping the SEL key until F or C  
appear in the LCD display. Tap the  
SET key to select the setting.  
Program Light Level  
Reading Current Temperature  
Tap the SET key. The room  
temperature and four indicators  
will be displayed for about ten sec-  
onds. The display range is 40° to 86°F  
[5° to 30°C]. When the room tempera-  
Consider the ambient outdoor and  
indoor lighting over a 24 hour period  
when setting the light level. The three  
light level settings are: L1the most  
sensitive so it is used when you want  
KITCHEN  
Remarks  
LIVING OR FAMILY ROOM  
BEDROOM  
Temp.  
Temp.  
Temp.  
Mode  
Setting  
Remarks  
Setting  
Remarks  
Setting  
Occupied-light  
Unoccupied-light  
Unoccupied-dark  
Occupied-dark  
Set for a comfortable  
temperature for eating or  
cooking.  
68° F  
Set for a comfortable  
[20° C] temperature for reading or  
watching TV.  
68° F  
Set for a comfortable  
[20° C] temperature for getting up  
in the morning.  
68° F  
[20° C]  
the thermosat to respond to a low light ture is warmer than 86° F [30° C], the  
6
Program Temperature Setting  
NOTE: If programming in Fahrenheit,  
only even numbered temperatures  
level, like the TV or reading light; L2—  
average setting so it is used for most  
rooms; L3the least sensitive setting  
so it is used in well-lit areas.  
two upper indicators will be displayed.  
When the room temperature is colder  
than 40° F [5° C], the two lower  
indicators will be displayed.  
Set the temperature desired  
when you are out of the  
room in the daytime.  
60° F  
Set the temperature desired  
[15° C] when you are out of the  
room in the daytime.  
60° F  
Set the temperature desired  
[15° C] when you are out of the  
room in the daytime.  
60° F  
[15° C]  
PROGRAMMING  
(
i.e., 66, 68, 70) can be selected.  
Tap the SEL key to move between modes. The  
display changes in the following order: occupied-  
light, unoccupied-light, unoccupied-dark, occu-  
pied-dark, L, F or C.  
Program for when no one  
is using the kitchen.  
60° F  
Program for when no one  
[15° C] is using the room.  
60° F  
Program for when no one  
[15° C] is using the bedroom.  
60° F  
[15° C]  
The temperature setting range is  
4
0° to 86° F [5° to 30° C].  
Tap the SEL key until the LCD  
displays L1, L2 or L3. Tap the  
SET key to change the light  
setting.  
Loss of Power  
The CT1700 maintains the program  
during loss of power without batteries.  
The display will go blank and when  
power is restored, the display will go  
through the steps in the CHECK OUT  
THERMOSTAT section.  
This mode is primarily for  
sleeping rooms. Set  
temperature desired when  
no one is using the kitchen.  
60° F  
This mode is primarily for  
60° F  
[15° C] sleeping.  
Set desired temperature for  
62° F  
[16° C]  
Tap the SEL key until the  
indicator on the LCD points to  
the desired condition (i.e., occupied-  
dark). Press the SET key to select the  
desired temperature. Repeat for each  
condition.  
[15° C] sleeping rooms. Set  
temperature desired when  
no one is using the room.  
NOTE: To lessen temperature changes when an  
occupant leaves an area, the CT1700 will not  
change from an occupied to unoccupied  
Review Program  
LIGHT LEVEL  
Use the least sensitive  
setting so the thermostat  
does not sense the light  
from an open refrigerator  
door at night.  
L3  
Use the most sensitive  
setting so the thermostat  
will sense the tv or small  
reading light.  
L1  
Use the average setting.  
L2  
Tap the SEL key to scroll  
between settings. If you want to  
change any setting, tap the SET key  
until the display shows the desired  
setting.  
setting for 60 minutes (light setting) or for three  
hours (dark setting). If you notice your pet  
activating the program, cover up the lower half  
of the sensor window or program temperature  
changes for only light and not occupancy.