TL8230A Operating Instructions Programmable Thermostat 1. Description 4. Honeywell’s TL8230A programmable thermostat can be used to operate an electric heater to control the room temperature. On/Off switch * Time display Appears when the setpoint is displayed Temperature display Mode display Day and time settings Program clear button Temperature preset buttons Mode selection / program exit Temperature adjustment buttons Backlight button 5. 6. 1 to 24% 25 to 49% 50 to 74% 75 to 99% Press the Day button to set the day. Error Messages Backlight When the backlight button is pressed, the display illuminates for 5 seconds. When either of the buttons is pressed, the display illuminates for 10 seconds during which the setpoint appears for 5 seconds. The actual temperature is then displayed. Display % of duty cycle Press the Hour and Min buttons to set the time. HI: The measured temperature is above 122°F (50°C). Place the switch on OFF to disable heating. This will not affect the clock and program settings. The thermostat displays the percentage of heater duty cycle required to maintain the desired temperature. For example, if the heater is activated 40 percent of the time, is displayed. ** n o LO: The measured temperature is below 32°F (0°C). Heating is activated. Period display Program button * When the thermostat is powered, it initially performs a series of tests before displaying the actual temperature. When power is applied initially, the LCD displays: 0:00, MO (Monday), and temperature. Preset temperature icon display Heating power ** Power-up 7. 100% Temperature Setting Setpoint 2. • The thermostat generally displays the actual temperature. To view the setpoint, press one of the buttons once or press the backlight button. The setpoint will appear for the next 5 seconds. Control Module Removal/Installation To remove the control module from its power base, loosen the captive screw underneath the thermostat and pull the two halves apart as shown. • To change the setpoint, press one of the buttons until the desired temperature is displayed. To scroll faster, hold the button. Preset buttons The thermostat has 3 temperature preset buttons: To install the control module onto its power base, reverse the above procedure. Ͽ NOTE: Always keep the thermostat's vents clean and unobstructed. 3. Comfort preset button Economy preset button Ͽ Vacation preset button To use a preset temperature, press the appropriate button. The corresponding symbol , or will be displayed. The following table shows the intended use and the default setting of each of the preset buttons. Ͽ Configuration Switches You can modify some functionalities of the thermostat via the small selector switches on the back of the control module. Symbol Default (factory) settings are denoted in gray: # Functionality SW1 Temperature format a °F °C SW2 Early Start b Time format Disable Enable 12-hour 24-hour SW3 a. b. UP Default setting New 70°F (21°C) Economy 62°F (16.5°C) (when asleep or away from home) DN If you change the temperature display format, the preset buttons ( , and ) will return to their default settings. Early Start functions in Automatic mode only. When this function is enabled, the thermostat calculates the optimal time to start heating in order to obtain the desired temperature by the set time. The thermostat re-assesses the optimal start time daily based on the previous day’s performance. TL8230A Intended use Comfort (when at home) Vacation (during prolonged absence) 50°F (10°C) To store a preset temperature: n o Set the desired temperature using the buttons. Press and hold the appropriate preset button until the corresponding symbol is displayed. 69-1803 21/2/05 1/2 p Press Mode/Ret to exit. 8. Operating Modes NOTE: If no button is pressed for 60 seconds, the thermostat will automatically exit the programming mode. Use the following grid to record the new schedule. The thermostat has 3 operating modes. ߓ ࠀ n o ࠔ ࠡ ࠨ ࠔ ࠟ ߓ ߠ Press Mode/Ret until ߴ ࠨ ࠧ ࠢ ࠠ ࠔ ࠧ ࠜ Setpoint MO TU WE TH FR SA SU is displayed. Set the temperature using the ߓ Period Maintains the temperature at a fixed setpoint. ߓ ࠖ ߓ ߠ , or button. Maintains the temperature according to the energy-saving schedule. Press Mode/Ret until ting is also displayed. is displayed. The current period set- Temporary Bypass: If you press the , or button when the thermostat is in automatic mode, the current period is bypassed. The new setpoint will be maintained until the beginning of the next period. ߓ ࠉ ࠔ ࠖ ࠔ ࠧ ࠜ ࠢ ࠡ - Maintains the temperature at the Vacation tempera- ture. Press 9. 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 week-end. Period Description Temperature setting Wake-up Away from home Return home Sleep The Comfort ( ) temperature is used in periods 1 and 3 and the the Economy ( ) temperature is used in periods 2 and 4. The thermostat switches between the two setpoints at the programmed start time. 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 preprogrammed with the following schedule. Period Setpoint MO TU WE TH FR SA SU 6:00 6:00 6:00 6:00 6:00 6:00 6:00 8:00 8:00 8:00 8:00 8:00 --:-- --:-- 6:00 6:00 6:00 6:00 6:00 --:-- --:-- 10:00 10:00 10:00 10:00 10:00 10:00 10:00 To modify the schedule: n o Press Pgm to access the programming mode. p q Press Pgm to select the period. r s 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, or press Clear if you want to skip this particular period (--:-- is displayed). Repeat steps 2 to 4 for each remaining period. Press Mode/Ret to exit the programming mode. TL8230A : 1 0. Technical Specifications Power supply: Refer to the power base installation instructions. Display range: 32°F to 140°F (0°C to 60°C) Setpoint range: 40°F to 86°F (5°C to 30°C) Preset temperatures: Ͽ Comfort: 70°F (21°C) Ͽ Economy: 64°F (18°C) Ͽ Vacation: 50°F (10°C) Display resolution: 1°F (0.5°C) Storage:-4°F to 120°F (-20°C to 50°C) Heating cycle length: 15 minutes Data backup: In the event of a power failure, most settings are saved . Only the time must be re-entered if the power failure lasts more than 2 hours. The thermostat will return to the mode that was active prior to the power failure. 1 1 . 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 five (5) years 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, (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 PURPOSE, 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 1-800-4681502. In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V4Z9. 1 2. Customer Assistance 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. Printed in China 69-1803 21/2/05 2/2
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