Install three fresh AAA alkaline batteries on the back of the thermostat as marked on the thermostat. Install Batteries Push the thermostat straight onto the wallplate until it snaps into place. If the wires interfere with mounting the thermostat to the wallplate, push the excess wire back into the wall opening.
Page Set The Calendar This thermostat is designed to automatically keep current time and day in memory for up to ten years, under normal use, once the calendar is set. When the thermostat is first powered, the display is ready to set the calendar. Page 25 Step Set the Calendar Cont 3. Use the arrow keys to set the current time. Press the Done key. Page Configure Installer Setup Step Configure Installer Setup 1. Follow the steps in this section to set up your thermostat.
Press and release the System key. Page 27 Step Configure Installer Setup Cont 3. Press and hold the center blank key for approximately five seconds, until the screen changes. Release the center key when the display on your thermostat matches the display below. Page 28 Configure Installer Setup Cont 5. Press the Up or Down arrows to the right of the two-digit number in the lower right corner of the screen to select your setting for Installer Setup Number below.
After you select your setting, press the Up arrow key to the right of to go to the next Installer Setup Number. Page 29 4 - Heat Only with fan Conventional -- Gas, oil or electric heating without central air conditioning. Typically wires are R, W and G on new thermostat. Page 31 Step Configure Installer Setup Cont If you do not have a number on the left side of your display, go to the next page. If you have a number on the left side of your display, press the Up or Down arrow to select your setting for Installer Setup Number Page 32 Step Page 33 Step After you select your setting, press the Up arrow to go to the next Installer Setup Number.
Page 34 Step Page 35 Step Page 36 Step Page 37 After you select your setting, press the Done key to exit the Installer Setup and save your settings. The installation of the thermostat is complete. Cool—Thermostat controls the cooling system. Heat Pump compressor is not operational. The fan runs only when the heating or cooling system is on. On—The fan runs continuously. Use this setting for improved air circulation or for more efficient air cleaning. Leave—Period when you are away from home and want an energy- saving temperature.
Press Edit key. It is OK to pick multiple days. Select any combination of days to edit. These days are scheduled with the same times and temperatures. Check marks appear next to days selected. When complete, press Done key. To set a Program Schedule for the remaining days of the week, repeat steps Page Cancel A Schedule Period NOTE: You may want to cancel a period to match your lifestyle; for example, if someone is always home during the day on Tuesday, you can cancel the Leave and Return periods the thermostat would then control to the Wake temperature until the Sleep period.
Press Sched key. Page Set Time Set Time 1. Press Clock. Use the arrows to set the current time. DONE 3. The current day of the week should already be set correctly. If not, see Step 11, Configure Installer Setup.
Press the Up or Down arrow next to the Time key to set the desired time for the thermostat to resume the schedule. Inside AUTO Press the Hold key. Page 50 2. Press the Hold key twice. Press the Up and Down arrow keys to change the number of Days you desire the thermostat to override the schedule. Press the Screen key. The thermostat locks out all touch keys for 30 seconds to allow for cleaning.
Use a damp cloth slightly moistened with water or household glass cleaner to clean the screen. Reset Filter Timer 1. Press the Reset key to restart the filter timer. Page Replace Batteries Replace Batteries 1. Remove thermostat from the wallplate by pulling straight out. WALL M Page 55 Replace Batteries Cont 3. Remove the old batteries and insert three fresh AAA alkaline batteries, as marked on the thermostat.
Page 56 4. Align the screw blocks with the pins on the back of the thermostat. Page Review Battery Tips 2. Always use fresh AAA alkaline batteries. Non-alkaline batteries do not last as long and can leak, causing thermostat damage. The minimum-off timer is activated after the compressor turns off.
See Installer Setup Number in Step US Patent No. All rights reserved. Your new thermostat has been designed for fast, easy installation. Just follow the simple, step-by-step instructions in the following pages. Page 7 RTH Remove your old thermostat 1. Remove cover and thermostat, but leave wallplate with wires attached. Leave wallplate in place Is there a sealed tube containing mercury? If so, see inside front cover of this manual for proper disposal instructions.
Page 8 Installation Guide Label wires and remove old wallplate Use a screwdriver to disconnect wires one by one. As you disconnect each wire, wrap it with the label matching the letter on your old thermostat.
Adhesive labels are supplied in your thermostat package. Remove the old wallplate only after all wires are labeled. Page 9 RTH Remove wallplate Grasp top and bottom of wallplate and pull to remove from thermostat. Pull wires through 2. Level wallplate if desired. Mark positions of wallplate. Page 11 RTH Mount wallplate 1. Use hammer to tap anchors into holes until flush with wall.
Place wallplate over anchors and insert screws. Check level if desired, Match each labeled wire with same letter on terminal. Use a screwdriver to loosen screw terminals, insert wires, then tighten screws. Page 13 RTH Alternate wiring conventional systems If labels do not match terminals, connect wires as shown here see notes, below. Remove metal jumper connecting R and Rc only if you must connect both R and Rc wires.
If your old thermostat had both R and RH wires, remove metal jumper. Page 14 Installation Guide Alternate wiring for heat pumps only If labels do not match letters on the thermostat, check the chart at right and connect to terminal as shown here see notes, below. If your old thermostat had both V and VR wires, stop now and contact a qualified contractor for help. Back of thermostat Page 16 Installation Guide Remove tab and mount thermostat Remove tab.
Align pins on back of thermostat with slots in wallplate, then push gently until thermostat snaps into place. TIP: If wires interfere when you try to mount the thermostat, push excess wire back into the wall opening. Press and hold 1. Heat pump: Single-stage heat pump no backup or auxiliary heat. Heat only: Gas, oil or electric heat without central air conditioning.
Heat only with fan: Gas, oil or electric heat without central air conditioning. Electric heat: Use this setting if you have an electric heating system thermostat controls fan operation. Electric furnace: Use this setting if you have an electric heating system.
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