Emerson EE542-1Z 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

Contents

Main Contents Introduction About this Guide System Compatibility Getting Started Required Items Required Tools Pre-Installation Checklist Quick Guide ATTENTION: MERCURY NOTICE STEP 1. Remove the Old Thermostat. 1. 2. 3. 3-Part Thermostat Thermostat Components Most thermostats consist of three basic parts. Remove the Old Thermostat Wall opening Wall plate hanging on the wires Wall opening STEP 2. Mount the New Thermostat 1. 2. Mount the new thermostat Wall plate Wall plate Wire Terminals Feed wires through this hole from back Connect wires here Connect wires as follows: 7. 9. 8 STEP 3. Configure the Thermostat 1. 2. 3. 1. HVAC Equipment Setup If the system is a single or multi-stage conventional system, your options are: Indoor Options: Outdoor Options: 2. Network Settings 3. About This Device 4. Advanced HVAC Options 4A. Cycle Rates Options for this menu item include: 4B. Compressor Lockout 4C. Comfort Alert Active Protection 4D. O/B Configuration 4E. Fast Second Stage 4F. Smart Fuel Logic STEP 4. Check Thermostat Operation Check fan operation Check the cooling system Check the heating system 3. 4. 1. 2. Check the back-up heating system STEP 5. Pair Device to a Home Area Network STEP 1 STEP 2 STEP 3 STEP 4 STEP 6 STEP 5 Connection Successful STEP 6. Verify Wireless Connectivity STEP 1 $0.08 STEP 3 STEP 2 Wiring Chart O/B G W/E W2 L WARNING Y2 Y1 RC RH C NOTE: NOTE: This product requires 24V power supply via the C terminal to operate. Wiring Table