Emerson EE542-1Z- Manuals

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...

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...

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...

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...

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 ...

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 (...

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...

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...

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...

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...

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 ...

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...

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 ...

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...

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...

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...