This programmable thermostat can be connected to an electric heating system such as an electric baseboard, a radiant ceiling, a floor heating system, an electric convector, etc. It is not compatible with a central heating system.
Set the switch to Off to cut power to the heater. This will not affect the time and temperature settings.
TURN OFF POWER TO THE HEATING SYSTEM AT THE MAIN POWER PANEL TO AVOID ELECTRICAL SHOCK.
The configuration switches are on the back of the thermostat. Default (factory) settings are inside the gray cells.
# | Configurations | UP | DN |
SW1 | Not used | ||
SW2 | Early Start a | Disable | Enable |
SW3 | Time format | 12-hour | 24-hour |
SW4 | Temperature format b | °F | °C |
Upon power-up, the thermostat is in manual mode and displays the room temperature.
The thermostat normally displays the room temperature. To view the set temperature, press the
To change the setpoint, press the
Using a preset temperature
The thermostat has 3 preset temperatures:
Icon | Intended use | Default setting |
Comfort (when at home) | 70 °F (21 °C) | |
Economy (when asleep or away from home) | 62 °F (16 °C) | |
Vacation (during prolonged absence) | 50 °F (10 °C) |
Storing a preset temperature
To store the Comfort or Economy temperature:
Set the desired temperature using the
To store the Vacation temperature:
Set the desired temperature using the
Automatic – The temperature is set according to the energy-saving schedule. To place the thermostat in this mode, press Mode until is displayed.
The icons of the current period and preset temperature are also displayed.
Temporary Bypass: If you modify the setpoint (by pressing the
Manual – The energy-saving schedule is not used. The temperature must be set manually. To place the thermostat in this mode:
The schedule consists of 4 periods per day which represents a typical week day. You can program the thermostat to skip the periods that do not apply to your situation. For example, you can skip periods 2 and 3 for the weekend.
The Comfort (
You can have a different program for each day of the week; i.e., each period can start at a different time for each day of the week. The thermostat has been programmed with the following schedule.
To modify the schedule:
Problems | Solutions |
The thermostat’s screen is blank. | The thermostat’s switch is set to Off. |
LO is displayed. | The measured temperature is below the display range. Heating is activated. |
HI is displayed. | The measured temperature is above the display range. |
The wrong time is displayed. | The thermostat was without power for more than 2 hours. |
The measured temperature is wrong. | The thermostat is located in a spot exposed to an air draft. |
The heater is always On. | Check the thermostat wiring. |
The thermostat indicates that heating is On but the heater is not On. | Check the thermostat wiring. |
The temperature does not change according to the energy-saving schedule | Check that the thermostat is in Automatic mode. Check also the schedule and clock settings. |
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 determined to be defective or malfunctions, Honeywell shall repair or replace it (at Honeywell’s option).
If the product is defective,
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 that 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 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 Relations, 1985 Douglas Dr, Golden Valley, MN 55422 or call 1-800-468-1502. In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V4Z9.
Customer Assistance
If you have any questions about the operation of your thermostat, please go to http://yourhome.honeywell.com, or call Honeywell Customer Care toll-free at 1-800-468-1502.
Download Manual:
Honeywell 08161 Programmable Thermostat User Manual
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