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TL7235A
User Guide
Non-programmable Thermostat
TL7235A 69-1802 3/5/05 1/1
Honeywell’s TL7235A thermostat can be connected to an electric heater to
control the room temperature.
* The thermostat displays the heater duty cycle required to maintain the desired tem-
perature. For example, if the heater is activated 40 percent of the time, is dis-
played.
• To remove the control module from the
power base, loosen the captive screw
underneath the thermostat and pull the two
components apart as shown.
• To install the control module onto the power
base, reverse the above procedure.
NOTE: Always keep the thermostat's vents clean
and unobstructed.
You can select the temperature display (°F or °C) using a
DIP switch (S1) on the back of the control module.
As soon as the thermostat is powered, it undergoes a series of
tests before displaying the actual temperature.
LO: The measured temperature is below 32°F (0°C). Heating is
activated.
HI: The measured temperature is above 122°F (50°C).
The display illuminates for 5 seconds when the backlight button is pressed.
When either of the buttons is pressed, the display illuminates for 10 sec-
onds.
The thermostat normally displays the actual temperature. To view the set-
point, press one of the buttons once. The setpoint will appear for 5 sec-
onds. To change the setpoint, press one of the buttons until the desired
temperature is displayed. To scroll the setpoint faster, do not release the but-
ton.
Power supply: refer to the power base installation instructions
Setpoint range: 40°F - 86°F (5°C to 30°C)
Display resolution: 1°F (0.5°C)
Storage: -4°F to 120°F (-20°C to 50°C)
Heating cycle length: 15 minutes
Honeywell warrants this product, excluding battery, to be free from defects in the work-
manship or materials, under normal use and service, for a period of five (5) years from
the date of purchase by the consumer. If at any time during the warranty period the prod-
uct is determined to be defective or malfunctions, Honeywell shall repair or replace it (at
Honeywell's option).
If the product is defective,
(i) return it, with a bill of sale or other dated proof of purchase, to the place from which
you purchased it, or
(ii) call Honeywell Customer Care at 1-800-468-1502. Customer Care will make the
determination whether the product should be returned to the following address:
Honeywell Return Goods, Dock 4 MN10-3860, 1885 Douglas Dr N, Golden Valley,
MN 55422, or whether a replacement product can be sent to you.
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.
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 PUR-
POSE, IS HEREBY LIMITED TO THE FIVE-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
Relations, 1985 Douglas Dr, Golden Valley, MN 55422 or call 1-800-468-1502. In Can-
ada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic
Drive, Scarborough, Ontario M1V4Z9.
If you have any questions about the operation of your thermostat, please go to
www.honeywell.com/yourhome, or call Honeywell Customer Care toll-free
at 1-800-468-1502.
n
Description
1.
Display
% of duty cycle 1 to 24% 25 to 49% 50 to 74% 75 to 99% 100%
o
Assembly/Disassembly
2.
p
Configuration
3.
q
Power-up
4.
r
Error Messages
5.
Backlight button
Temperature
adjustment buttons
Set the switch to
Off to cut power to
the heater
Heating power *
Temperature
display
Appears when
the setpoint is
displayed
s
Backlight
6.
t
Temperature Setting
7.
u
Technical Specifications
8.
;
Warranty
9.
Customer Assistance
10.
Printed in China