Page 2 - Contents; Introduction
1 2 3 3469 141719 20 - 22 Back Cover Contents Introduction Getting Started Installing the Thermostat Quick Guide Step 1: Remove the Old Thermostat Step 2: Mount the New Thermostat Step 3: Configure the Thermostat Step 4: Check Thermostat Operation Step 5: Pair Device to Home Area Network Step 6: Ver...
Page 4 - Getting Started; Required Items
Getting Started Note: This product requires a 24v AC power supply via the C terminal for operation. • Thermostat (1) • Wall anchors (2) • Mounting screws (2) Required Items • Flat blade screwdrivers – 1 large and 1 micro tip • Hand or power drill with 3/16 inch drill bit • Wire strippers • Level (op...
Page 5 - Quick Guide; STEP 1. Remove the old thermostat
3 To prevent electrical shock and/or equipment damage, disconnect electric power to system at main fuse or circuit breaker box until installation is complete. CAUTION Quick Guide • Turn of f power at the breaker. • Remove cover from old thermostat to expose wires. • Document which wires go to which ...
Page 6 - Thermostat Components
4 To prevent electrical shock and/or equipment damage, disconnect electric power to system at main fuse or circuit breaker box until installation is complete. CAUTION This product does not contain mercury. However this product may replace a product that contains mercury. Mercury and products contain...
Page 7 - Remove the Old Thermostat; Wall opening
5 Remove the Old Thermostat Important: Do not let wires fall back into the wall. 1. Remove the front cover of the old thermostat. 2. With wires still attached, remove wall plate from the wall by loosening the screws. If the old thermostat has a wall mounting plate, remove both the thermostat and the...
Page 8 - STEP 2. Mount the New Thermostat; Mount the new thermostat
O/B G W/E W2 L Y2 Y1RC RH C C 6 Take care when securing and routing wires so they do not short to adjacent terminals or rear of thermostat. Personal injury and/or property damage may occur. CAUTION STEP 2. Mount the New Thermostat 1. Unpack the thermostat and separate the mounting plate from the the...
Page 10 - Connect wires as follows:
8 Connect wires as follows: • If necessary, strip insulation about 3/8 inch from the end of the wire. • Use the table you previously filled out on the back of the installation manual (or the wiring chart on page 20) to locate the correct terminal for each wire connection. • Bend the wire slightly, i...
Page 11 - STEP 3. Configure the Thermostat; HVAC Equipment Setup
9 STEP 3. Configure the Thermostat 1. To enter the INSTALLATION MENU, simultaneously press and hold and for 3 seconds. You will be greeted with the following disclaimer. To enter the INSTALLATION MENU, press Yes. 2. While in the INSTALLATION MENU, and scroll the cursor up and down respectively, the ...
Page 12 - If the system is a single or multi-stage conventional
NOTE: The presence of a wire in the W2 terminal is a good indication that the user has two-stage equipment located inside the house (furnace, air handler, or boiler). The presence of a wire in the Y2 terminal is a good indication that the homeowner has two-stage equipment located outside the house (...
Page 13 - About This Device; Advanced HVAC Options
11 3. About This Device Installation > About This Device By properly identifying the type of equipment on premise in the HVAC Equipment Setup portion of the installation menu, no further modifications to the thermostat are required. However, if you want to further customize specific attributes yo...
Page 14 - Options for this menu item include:; B. Compressor Lockout; C. Comfort Alert Active Protection
This feature is intended to help protect the compressor from short cycling. Some newer compressors already have a time delay built in and do not require this feature. Your compressor manufacturer can verify if the lockout feature is already present in their system. Options for this menu item include...
Page 15 - E. Fast Second Stage; F. Smart Fuel Logic
This configures whether the O/B terminal for the heat pump reversing valve will be energized during cool (O) or heat (B) mode. 4D. O/B Configuration Installation > Advanced HVAC Options > O/B Configuration If the user has multi-stage equipment and would like to have the ability to rapidly heat...
Page 16 - STEP 4. Check Thermostat Operation; Check fan operation
STEP 4. Check Thermostat Operation To prevent compressor and/or property damage, DO NOT operate the cooling system if the outdoor temperature is below 55° F. CAUTION Once you have installed your new thermostat, you need to check that the fan, cooling system, and heating system are all operating prop...
Page 17 - Check the heating system
Check the heating system 1. Press Heating / Cooling Mode key one or more times to select HEAT mode. If the auxiliary heating system has a standing pilot, be sure to light it. 2. Press the to adjust thermostat setting to 1° above room temperature. The heating system should begin to operate. NOTE: If ...
Page 18 - Check the back-up heating system
Check the back-up heating system (heat pump systems only): The Back Up Heat bypasses the heat pump to use the heat source wired to E & W2 terminals of the thermostat. Back Up is typically used when compressor operation is not desired, the user prefers to utilize the back-up heat only, or the com...
Page 19 - STEP 5. Pair Device to a Home Area Network
STEP 5. Pair Device to a Home Area Network Installation > Network Settings > Installation Information From the NETWORK SETTINGS screen, highlight INSTALLATION INFORMATION and press . To pair this device to a network coordinator (such as a smart meter or IP gateway), follow these steps: STEP 1 ...
Page 21 - STEP 6. Verify Wireless Connectivity
STEP 6. Verify Wireless Connectivity The following screen in the NETWORK SETTINGS area of the installation menu will serve as further confirmation of network connectivity: STEP 1 On the home screen, a wireless icon will also confirm that the unit is in fact connected to a network coordinator. STEP 2...
Page 22 - Wiring Chart
NOTE: This product requires 24V power supply via the C terminal to operate. Wiring Chart O/B G W/E W2 L Y2 Y1 RC RH C O/B G W/E W2 L Y2 Y1 RC RH C NOTE: No thermostat installation uses all of the wiresshown below. In most cases,between 5 and 6 terminals arewired. The remaining terminalswill not be u...
Page 24 - Wiring Table
37-7301C Wiring Table Old Terminal W, W1, 4, E W/E Y, Y1 Y1 G G RC, R RC RH, 5, R5 RH W2, W-U W2 Y2 Y2 C C L, F L O, B O/B Wire Color New Terminal 2013 Emerson, Emerson Climate Technologies are trademarks of Emerson Electric Co. or one of its affiliated companies. ©2013 Emerson Electric Co. All righ...
