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400-303-000-C EF (4.5 x 3) ENG.fm Page -1 Friday, June 19, 2009 9:28 AM
Owner’s Guide
TH303
Programmable Thermostat
400-303-000-C
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400-303-000-C EF (4.5 x 3) ENG.fm Page 0 Friday, June 19, 2009 9:28 AM Table of contents Overview Configuration About your new thermostat .............. 1 Default schedule............................. 12 Quick reference to controls .............. 2 Modifying the schedule................... 13 Quick reference to screen display .... 3 Setup parameters ........................... 14 Setup procedure............................. 16 Installation Removing the faceplate.................... 4 Appendic
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400-303-000-C EF (4.5 x 3) ENG.fm Page 1 Friday, June 19, 2009 9:28 AM TH303 About your new thermostat This thermostat has been designed to control an electric heating system such as a baseboard heater, a radiant ceiling, a convector or a fan-forced heater. The thermostat CANNOT be used with: • a resistive load under 0.83 A • a resistive load over 10.4 A • a system driven by a contactor or a relay (inductive load) • a central heating system SUPPLIED PARTS • One (1) thermostat • Two (2) 6-32 m
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400-303-000-C EF (4.5 x 3) ENG.fm Page 2 Friday, June 19, 2009 9:28 AM 400-303-000-C Quick reference to controls • To turn the screen backlight on, press the Select button once. The Help tab backlight will remain on for 12 Slide up from the seconds. right and remove • To display the setpoint to view information temperature, press the Up or on both sides. Down button once. The setpoint will be displayed for 5 seconds. Screen • To modify the setpoint temperature, press the Up or Up button Do
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400-303-000-C EF (4.5 x 3) ENG.fm Page 3 Friday, June 19, 2009 9:28 AM TH303 Quick reference to screen display Countdown mode (see page 11) Flashes during Countdown mode Setpoint temperature Time (see page 2) Day Automatic mode (see page 8) Manual mode (see page 9) Away mode (see page 10) Ambient temperature Heating intensity indicator (No icon appears when heating is off.) Periods (see page 12) 3
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400-303-000-C EF (4.5 x 3) ENG.fm Page 4 Friday, June 19, 2009 9:28 AM 400-303-000-C Removing the faceplate TURN OFF POWER OF THE HEATING SYSTEM AT THE MAIN ELECTRICAL PANEL TO AVOID ELECTRIC SHOCK. WARNING: Installation must be carried out by a certified electrician and must comply with national and local electrical codes. Loosen the screw holding the faceplate to the base. The screw cannot be completely removed and remains captive on the base. Remove the faceplate from the base by pulling t
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400-303-000-C EF (4.5 x 3) ENG.fm Page 5 Friday, June 19, 2009 9:28 AM TH303 Wiring Connect either one of the 2-wire installation 4-wire installation thermostat wires to the heater wire and the other Power supply one to the power supply wire using solderless connectors for copper wires. NOTE: Special CO/ALR solderless connectors must be used when connecting with aluminium conductors. Power supply 5
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400-303-000-C EF (4.5 x 3) ENG.fm Page 6 Friday, June 19, 2009 9:28 AM 400-303-000-C Installing the thermostat • Install the base onto an electrical box. • Place the FAN switch on Yes only if the thermostat is connected to a fan-forced heater. Otherwise leave at No. • If applicable, peel off the protective sticker from the thermostat’s screen. FAN switch • Reinstall the faceplate on the base Keep air vents at top and and secure it in place with the screw. bottom of thermostat clean • Apply
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400-303-000-C EF (4.5 x 3) ENG.fm Page 7 Friday, June 19, 2009 9:28 AM TH303 Quick Start-up / Setting the clock and date When you power the thermostat, the Time menu flashes on the screen. Set the thermostat’s clock and date as follows: Time Menu Select the format Set the hour Set the minutes Set the year Set the month Set the date Normal display NOTE: At any time, you can access the Time menu by pressing the Select button for 3 seconds and then pressing the Up button once. Your new thermost
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400-303-000-C EF (4.5 x 3) ENG.fm Page 8 Friday, June 19, 2009 9:28 AM 400-303-000-C Automatic (Auto) mode In Automatic mode, the thermostat follows the programmed schedule (see page 12). To place the thermostat in Automatic (Auto) mode: Normal display Auto mode Select Auto Temporary override While the thermostat is in Automatic mode, you can press the Up or Down button to modify the temperature. The new temperature will be used until the end of the current period. Auto will flash during the
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400-303-000-C EF (4.5 x 3) ENG.fm Page 9 Friday, June 19, 2009 9:28 AM TH303 Manual (Man) mode Use the Manual mode if you wish to keep the thermostat at the same temperature indefinitely. In this mode, the thermostat will remain at this temperature until you press the Up or Down button to change it. To place the thermostat in Manual (Man) mode: Normal display Manual mode Select Manual Set temperature 9
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400-303-000-C EF (4.5 x 3) ENG.fm Page 10 Friday, June 19, 2009 9:28 AM 400-303-000-C Away mode The Away mode can be used when you are away for an undetermined length of time. For frost protection while saving energy, the Away temperature is set by default at 15°C (59°F) and cannot be modified by simply pressing the Up or Down button. To modify the Away temperature, see page 16. NOTE: The Away mode can also be used to prevent tampering of the setpoint temperature in the summer season when hea
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400-303-000-C EF (4.5 x 3) ENG.fm Page 11 Friday, June 19, 2009 9:28 AM TH303 Countdown mode Use the Countdown mode if you wish to keep the same temperature for a predetermined length of time. The choices of countdown times are: 15, 30, 45 min, 1, 2, 4, 8, 12, 18 hr and 1 to 14 days. At the end of the countdown, the thermostat automatically returns to the previous mode and uses the temperature programmed for that mode. At any time, you can cancel the Countdown mode by pressing the Select butt
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400-303-000-C EF (4.5 x 3) ENG.fm Page 12 Friday, June 19, 2009 9:28 AM 400-303-000-C Default schedule When placed in Automatic mode (see page 8), the thermostat follows the programmed schedule. By default, the thermostat is programmed with the following schedule: Monday to Friday Saturday and Sunday (Mo, Tu, We, Th & Fr) (Sa & Su) Period Starting time Temperature Starting time Temperature Wake 6:00 (6:00 AM) 21.0°C (70°F) 6:00 (6:00 AM) 21.0°C (70°F) Leave 8:00 (8:00 AM) 16.5°C (62°F) -:-- -
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400-303-000-C EF (4.5 x 3) ENG.fm Page 13 Friday, June 19, 2009 9:28 AM TH303 Modifying the schedule To modify the schedule, proceed as follows: Select Exit to return Select Exit to return to to normal display the day selection menu (3 sec.) Normal display Program menu Select the days* Select the period Set the hour Set the minutes Set the temperature * The days can be selected collectively (Monday to Friday, Saturday & Sunday, or Monday to Sunday) or individually. To skip a period: When
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400-303-000-C EF (4.5 x 3) ENG.fm Page 14 Friday, June 19, 2009 9:28 AM 400-303-000-C Configuration parameters Display Parameter Options Default setting To modify 1 Fan Yes / No No FAN switch (see page 6) Time format 12h / 24h 24h Time menu (see page 7) Temperature unit °C / °F °C 2 Away temperature 5°C - 30°C (41°F - 86°F) 10°C (50°F) Configuration menu (see page 16) 3 On / Off On Daylight Saving Time 4 On / Off Off Early Start 14
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400-303-000-C EF (4.5 x 3) ENG.fm Page 15 Friday, June 19, 2009 9:28 AM TH303 Configuration parameters (cont’d) 1 Fan Place at Yes if you have a fan-forced heater (to prevent premature burnout of the motor). Leave at No for better temperature regulation if you do not have a fan-forced heater. 2 Away temperature Set the temperature you wish to use when the thermostat is in Away mode (see page 10). 3 Daylight Saving Time When the Daylight Saving Time function is enabled (On), the thermostat
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400-303-000-C EF (4.5 x 3) ENG.fm Page 16 Friday, June 19, 2009 9:28 AM 400-303-000-C Configuration procedure The Configuration menu is shown below. Press the Select button for 3 seconds to enter the main menu. Press the Up button twice to enter the Configuration (Conf) menu. Configuration Menu NOTE: If you do not press any button for one minute, the Set unit of Set Away Set Daylight Set temperature temperature Saving Time Early Start thermostat will automatically save any changes you hav
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400-303-000-C EF (4.5 x 3) ENG.fm Page 17 Friday, June 19, 2009 9:28 AM TH303 In case of difficulty PROBLEM SOLUTIONS This is normal. Ensure that the heater capacity does not exceed the thermostat’s Thermostat is hot. maximum load. Remediate if any the following conditions exists: Displayed temperature • The thermostat is exposed to air draft. is wrong. • The thermostat is located near or above a heat source such as a light dimmer. Display disappears and The thermal protection device on the
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400-303-000-C EF (4.5 x 3) ENG.fm Page 18 Friday, June 19, 2009 9:28 AM 400-303-000-C Customer assistance If you have any questions about the product, contact us at: 705 Montrichard Saint-Jean-sur-Richelieu, Quebec To reset the thermostat, J2X 5K8 press both Down and Canada Select buttons and hold. After 3 seconds, RST appears. After Tel: 1-800-831-AUBE (2823) the next 5 seconds, when RST Email: aube.service@honeywell.com disappears, release the buttons. Except for the time and date, the ther
