User manual HONEYWELL RTH110B

[. . . ] Avoid draughty areas (top of staircase, air outlet, etc. ), dead air spots (behind doors), direct sunlight or areas near concealed pipes or chimneys. Display Adjustment buttons Remove the thermostat faceplate. Loosen the locking screw to separate the thermostat from its baseplate (the screw cannot be completely removed). System operating mode selector Fan operating mode selector Tilt the thermostat upwards. Mark and bore the appropriate mounting holes (or use the existing holes). Pass the wires through the opening of the baseplate and fix the baseplate to the wall using the screws provided. Features · System operating mode selection: heat, cool or off · Fan operating mode selection: automatic or on (continuous) · Programmable heating and cooling cycle lengths: 10, 12, 15, 20 or 30 minutes · Temperature display in °F or °C · Battery replacement indicator 2. 3 Connecting the Thermostat The connection of the new thermostat should be similar to that of the old thermostat; however, it can vary depending on the installation. 2. [. . . ] It will display the ambient temperature after the thermostat is installed on the wall. By default, the setpoint is 70°F (21°C). 2. 3. 4 3-wire Cooling 2. 6 Completing the Installation Cool relay Fan relay 2. 3. 5 4-wire Heating and Cooling Once the baseplate and the batteries are installed, mount the thermostat on the baseplate. Heat relay Cool relay Fan relay Secure the thermostat using the locking screw and install the faceplate. Apply power back to the system. 2. 3. 6 5-wire Heating and Cooling 3. Basic Functions 3. 1 System Operating Mode Use the selector switch to place the system in Heating mode (HEAT) or Cooling mode (COOL), or to turn the system off. Fan relay Heat relay Cool relay Note: When you place the thermostat in Cooling mode, you might need to wait up to five minutes before cooling can start. will flash on the screen until cooling can start again. RTH110B 69-1799 2/6/05 2/3 3. 2 Fan Operating Mode Use the selector switch to set the fan to automatic mode (AUTO) or continuous mode (ON). Note: This switch is not used if you have a 2-wire installation as the fan is not connected to the thermostat. · · AUTO If you have an electric furnace (see section 2. 4), the fan works only when heating or cooling is activated. If you have a gas or fuel oil furnace (see section 2. 4), the fan works as follows: · When the thermostat is placed in cool mode, the fan works only when cooling is activated. · When the thermostat is placed in heat mode, the fan is controlled by the furnace fan control circuitry. 5. Technical Specifications Power supply: 2 AA batteries Maximum load: 1 A @ 24 Vac per output Setpoint range (heating): 41 to 82°F (5 to 28°C) Setpoint range (cooling): 59 to 95°F (15 to 35°C) Display range: 23 to 122°F (-5 to 50°C) Storage temperature: -2 to 122°F (-20 to 50°C) Temperature display resolution: 1°F (0. 5°C) Accuracy: ± 1°F (0. 5°C) Heating/cooling cycle lengths: 10, 12, 15, 20 or 30 minutes (programmable) Compressor short-cycle protection (minimum off time): 5 minutes Data memory: non-volatile Dimensions: 5 in. (127 mm x 75 mm x 28 mm) ON The fan is always on. 3. 3 Displaying the Temperature The actual temperature is normally displayed. 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 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, (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 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. [. . . ] buttons To go to the next parameter (menu item), briefly press both buttons simultaneously. To modify a parameter, press one of the Repeat steps 2 and 3 if necessary. Press both buttons simultaneously for 3 seconds to exit the configuration menu. DISPLAY DESCRIPTION Temperature display Heating cycles per hour 1 buttons. DEFAULT °F 4 4 SETTINGS °C or °F 2, 3, 4, 5 or 6 2 2, 3, 4, 5 or 6 3 Cooling cycles per hour 1 1 When either the heating or cooling parameter is displayed, use the system mode selector switch to alternate between the two parameters. 2 For optimal heating control, use the setting that matches your system as follows: 2=30 min (steam or gravity), 3=20 min (hot water or 90%+ high-efficiency furnace), 4=15 min (gas or oil), 5=12 min (alternate setting for gas or oil), 6=10 min (electric). [. . . ]