Operating Modes
Automatic - The temperature is set according to the 
is dis- played. The icons of the current period and preset temperature are also dis- played.
Temporary Bypass: If you modify the setpoint (by pressing the 
, 
,
or 
button) when the thermostat is in automatic mode, the new set- point will be used until the end of the current period. When the next period starts, the temperature set for that period becomes the new set- point.
Manual - The
Press Mode until 
is displayed.
Set the temperature using the 
, 
, 
or 
button.
Vacation - The thermostat is set to the Vacation temperature. Press both 
and 
buttons simultaneously to place the thermostat in Vacation mode.
Energy-saving Schedule
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.
Period | Description | Associated preset temperature |
Away from home
Return home
Sleep
The Comfort ( 
) temperature is used in periods 1 and 3 and the Economy (
) temperature is used in periods 2 and 4. For example, when the period changes from 1 to 2, the setpoint automatically changes from Comfort setting ( 
) to Economy setting (
).
You can have a different program for each day of the week; i.e., each period can start at different time for each day of the week. The thermostat has been programmed with the following schedule.
Period Setting MO | TU | WE | TH | FR | SA | SU | |
6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | |
AM | AM | AM | AM | AM | AM | AM | |
8:00 | 8:00 | 8:00 | 8:00 | 8:00 | |||
AM | AM | AM | AM | AM | |||
|
| ||||||
6:00 | 6:00 | 6:00 | 6:00 | 6:00 | |||
PM | PM | PM | PM | PM | |||
|
| ||||||
10:00 | 10:00 | 10:00 | 10:00 | 10:00 | 10:00 | 10:00 | |
PM | PM | PM | PM | PM | PM | PM |
To modify the schedule:
Press Pgm to access the programming mode. Period 1 is selected.
Press Day to select the day to program (hold for 3 seconds to select the entire week).
Press Hour and Min to set the start time of the selected period, or press Clear if you want to skip the period
Press Pgm to select another period, or press Day to select another day. Then repeat step 3.
Press Mode to exit the programming mode.
NOTE: If no button is pressed for 60 seconds, the thermostat will automati- cally exit the programming mode.
Troubleshooting
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 heater is off however the thermo- | Check the thermostat wiring. | |
stat indicates that heating is On. |
| |
The temperature does not change | Check that the thermostat is in Automatic | |
according to the | mode. Check also the schedule and clock | |
schedule | settings. | |
|
|
Technical Specifications
Power: 240 Vac, 60 Hz
Maximum load: 16 A maximum (resistive only) 3840 watts @ 240 Vac
Display range: 32 °F to 140 °F (0 °C to 60 °C)
Display resolution: 0.1 °F (0.1 °C)
Setpoint range: 40 °F to 86 °F (5 °C to 30 °C)
Setpoint interval: 1 °F (1 °C)
Storage:
Data backup: In the event of a power outage, most settings are saved. Only the time must be
Warranty
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 three (3) 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)contact Honeywell. Honeywell will make the determination whether the product should be returned, 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 prov- inces, states or regions do not allow the exclusion or limitation of incidental or conse- quential 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
This warranty gives you specific legal rights, and you may have other rights which vary from one province, state or region to another.
Customer Assistance
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Canada
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