Installation Manual
CS1 is ready to make your home energy efficient and more comfortable. Follow these easy steps to get started. LUX Products offers installation and product videos Please visit LuxProducts.com/videos or visit our YouTube channel LUX Products Corporation. To contact LUX Technical Support, please call 856.234.8803. For more information about installation settings, please visit LuxProducts.com/CS1manual Para ver estas instrucciones en español, por favor visite LuxProducts.
1. START HERE 1 5 2 3 4 INSIDE THE BOX: 6 7 1 CS1 Thermostat 2 Power Wire 3 Mounting Screws 4 Wall Anchors 5 Wire Labels 6 Wall Plate 7 Screwdriver Required Tools: -Phillips Screwdriver -Smartphone Optional Tools: -Power Drill -Wire Stripper Table of Contents 1. Start Here.......................................................................................... 2-5 2. Installing with a C-Wire...............................................................6-9 3. Installing with Power Wire (Included)....
Step 1.1: Download the LUX Products App to your mobile device and create an account. Step 1.2: Now set your phone aside and turn off the power at the circuit breaker to both your heating and cooling systems before performing any wiring. Step 1.3: Confirm that your heating and cooling system is powered down by changing the temperature on your thermostat. Hint: Your system should not make any noise and you should not feel any air exiting your vents. Step 1.
1. START HERE Step 1.5: Use the included wire labels to mark which wire is connected to each terminal in your old thermostat. Take a picture of your current wiring layout, you will need this picture later. 1 1 1 NOTE: If you have any wires at your thermostat that are not coming from the wall, please leave those wires in your old thermostat. They are not needed for installing your CS1. Step 1.6: Confirm that you have a C-Wire. If you do, please turn to the next page.
Installing with a C-wire STOP Before starting Turn off the power at the circuit breaker to both your heating and cooling systems before performing any wiring. Step 2.1: Identify your system configuration (see wiring diagrams in appendix).
INSTALLATION WITH 2. C-WIRE Step 2.2: Remove each wire from its terminal – make sure that they don’t fall down back into the wall. Step 2.3: Remove the mounting screws from the base of the old thermostat. Remove the base from the wall. Step 2.4: If you would like to use the trim plate or wall anchors, you can install them now. Step 2.5: Separate CS1 from its base, pull the halves apart from the bottom edge. Pull the wires from your wall through the center hole of the CS1 base.
Option 1 - Conventional (furnace) Systems: Step 2.6(f): Following the terminal labels marked “Conventional” on the thermostat base, loosen the screw and insert each labeled wire into the top hole of the corresponding terminal, tighten the screw. 1 C W1 W2 C W1 O/B 4 2 Step 2.7(f): If you have both an RC and RH wire present, then remove the red cap located on the left side of the terminal pins. You can now skip ahead to step 2.8. Option 2 - Heat Pump Systems: Step 2.
INSTALLATION WITH 2. C-WIRE Installation with C-wire Step 2.8: Securely fasten CS1 onto its base. Once it has clicked into place, return power to your heating and cooling system. Step 2.9: After your thermostat powers up, you are ready to configure CS1 for your heating and cooling system and connect to a wireless network. Please skip ahead to the “System Setup” section of this manual on page 18. LuxProducts.
Installing without a C-Wire Using the LUX Power Wire (included) 1. Install and wire CS1 2. Install LUX Power Wire (at your furnace) For installation without C-wire, you will need to access your furnace. STOP Before starting Turn off the power at the circuit breaker to both your heating and cooling systems before performing any wiring. Installation without C-wire Hint: helpful videos showing how to wire a thermostat with the LUX Power Wire are available at: LuxProducts.com/videos 10 | 856.234.
INSTALLATION WITH 3. P-WIRE Step 3.1: Starting at your thermostat, confirm that you have one of the system configurations below: • Conventional 1H/1C (Y, G, W, R) • Conventional 2H/1C (Y, G, W1, W2, R) If you have a different configuration other than what is listed above or if you have an electric furnace, please call LUX Technical Support for help with your installation. Step 3.2: Remove each wire from its terminal – make sure that they do not fall down back into the wall. Step 3.
Step 3.6: Following the terminal labels marked “Conventional” on the thermostat base, loosen the screw and insert each labeled wire into the top hole of the corresponding terminal. Connect as follows: Y Wire W Wire R Wire G Wire G W Y C W1 W2 G C W1 O/B G 4 2 Y1 RC RH Y1 RC RH 3 R Y1 Terminal W1 Terminal RH Terminal C Terminal NOTE: The G wire was previously in the G terminal, it will now go to the C Terminal on CS1. 1 Step 3.7: Securely fasten CS1 onto its base Step 3.
INSTALLATION WITH 3. P-WIRE POWER R HEAT W COOL Y FAN B A TRANSFORMER G Step 3.9: A) Remove the G Wire from the Fan Terminal at your furnace, insert the wire into your Furnace Transformer Terminal B) Insert one end of the LUX Power Wire into the now emty Fan Terminal and the other end into the Cool Terminal (with the Y Wire). Step 3.10: If you had to remove a panel or door to access your control panel, replace it now. Step 3.11: Return power to your heating and cooling system.
Installing without a C-Wire Using the LUX Power Bridge (sold separately) 1. Install and wire CS1 2. Install LUX Power Bridge (at your furnace) LUX Power Bridge available at: Shop.LUXProducts.com/PowerBridge For installation without C-wire, you will need to access your furnace. STOP 14 Before starting Turn off the power at the circuit breaker to both your heating and cooling systems before performing any wiring.
INSTALLATION WITH 4. P-BRIDGE Step 4.1: Starting at your thermostat, confirm that you have one of the system configurations below: • Conventional 1H/1C (Y, G, W, R) • Conventional 2H/1C (Y, G, W1, W2, R) If you have a different configuration other than what is listed above, please call LUX Technical Support for help with your installation. Step 4.2: Remove each wire from its terminal – make sure that they do not fall down back into the wall. Step 4.
Step 4.6: Following the terminal labels marked “Power Bridge” on the thermostat base, loosen the screw and insert each labeled wire into the top hole of the corresponding terminal. Y G W Connect as follows: Y Wire W Wire R Wire G Wire Terminal Terminal Terminal Terminal 1 2 3 4 1 C W1 W2 G C W1 O/B G 4 2 R Y1 RC RH Y1 RC RH 3 Step 4.7: Securely fasten CS1 onto its base Step 4.8: Go to your furnace – remove the door or panel and locate your control board or transformer.
INSTALLATION WITH 4. P-BRIDGE Step 4.9: i) Matching the letters, label the wires connected to your furnace with the included wire labels for the Power Bridge. Take a picture of the wiring at your control board. ii) Disconnect these wires from the control board. iii)Open the Power Bridge and insert each of your old wires into the corresponding numbered terminals in the Power Bridge.
Setup - Selecting your System Type Step 5.1: After your thermostat powers up, your CS1 will auto scan the terminal pins to determine what type of HVAC system you have. If there is more than one possible system type, you will need to select your system type (options described on the next page). Step 5.2: Use the Up and Down arrows to cycle through the system options. With your system type displayed, press the center button to continue to Network Setup on Page 22. 18 | 856.234.
System options: 5. HVAC SYSTEM SETUP Electric Furnace: Electric system with fan. Thermostat calls for fan to run with heat. Gas Furnace: Gas system with fan. Thermostat calls for fan to run with heat. Air Conditioning Only: Cooling Only. Thermostat calls for fan to run with cool. Continued on Page 20. LuxProducts.
System options (con’t): Boiler: Boiler heating system with no fan connected. Heat Pump: Heat pump system, thermostat calls for fan to run with heat or cool. NOTE: If yu have a heat pump system, press the center button to select. CS1 will now ask you to confirm your valve type. Use the up and down arrows to toggle between O & B Valves, press the center button to select: 20 | 856.234.
5. HVAC SYSTEM SETUP Heat With P-Wire: This represents a furnace heat system utalizing the P-Wire. CS1 will toggle between the screens below: Cool With P-Wire: This represents an air conditioning system utalizing the P-Wire. CS1 will toggle between the screens below: NOTE: When using the Power Wire, your system will only call for fan when the device calls for heat or cool, respectively. You will not be able to run your fan continuously or on internal air quality mode. LuxProducts.
Setup - Connecting to the Network Step 6.1: After you confirm your system type, you will be given the option to Setup or Skip. Use the up and down buttons to change options and press center button to confirm your selection. Select “Setup” to connect to a network. Step 6.2: After selecting “Setup”, CS1 will display: “Step 1: App”. Make sure that you have downloaded the LUX Smart thermostat to your smartphone. Step 6.3: With “Step 1: App” displayed on screen, push the center button to continue. 22 | 856.234.
CONNECTING TO THE 6. NETWORK Step 6.4: When your device displays “Step 2: Scan”, CS1 will scan for surrounding WiFi networks. Step 6.5: When your device displays “Step 3: Phone”, You will need to go to the WiFi settings in your smartphone and select the CS1 WiFi network (e.g. LUX-CS1xx-xx). The network name and password are on the back of the device and on a label on the box. NOTE: If you have already recycled the box, please return to Step 2.
Step 6.7: Your device will automatically display: “Step 4: Launch” when it is attempting to connect to the internet. Step 6.8: After your device has successfully connected to the internet, you will see “Step 4: Done”, your device will then switch to the standard operations screen. NOTE: CS1 cannot be used with a 5GHz WiFi network. Please ensure that your wireless network is set to 2.4GHz and that the security settings are set to open or WPA2.
CONNECTING TO THE 6. NETWORK If you need to cancel the joining process at any time, simply press and hold the center button for 5 seconds. ROOM HOME ON SET Congratulations! When you see the thermostat’s home screen with a WiFi icon, it means you are connected. Installation is complete and your CS1 is ready to go. Now let’s save some energy and make your home more comfortable. You can now control your comfort from anywhere with an internet connection! LuxProducts.
Conventional System With C-Wire Wiring Diagram HEAT (Stage 1) HEAT (Stage 2) COOL FAN TRANSFORMER FURNACE 1 C W1 W2 G C W1 O/B G 4 2 Y1 RC RH Y1 RC RH 3 THERMOSTAT NOTES: • The W2 terminal is used for 2 stage heating systems only • If you have both an RH and RC wire, please remove the red cap from the back of the thermostat 26 | 856.234.
7. APPENDIX Heat Pump System With C-Wire Wiring Diagram AUX/EMER HEAT CHANGEOVER VALVE COMPRESSOR FAN TRANSFORMER HEAT PUMP 1 C W1 W2 G C W1 O/B G 4 2 Y1 RC RH Y1 RC RH 3 THERMOSTAT NOTES: • The W1 terminal is used for Auxiliary/Emergency heat or on Dual Fuel systems LuxProducts.
Conventional System Without C-Wire (BEFORE Power Wire) Wiring Diagram POWER HEAT COOL FAN TRANSFORMER FURNACE 1 C W1 W2 G C W1 O/B G 4 2 Y1 RC RH Y1 RC RH 3 THERMOSTAT NOTES: • At your thermostat, you will move the G Wire (dark) to the C Terminal. 28 | 856.234.
7. APPENDIX Conventional System Without C-Wire (AFTER Power Wire) Wiring Diagram POWER HEAT COOL P-WIRE FAN TRANSFORMER FURNACE 1 C W1 W2 G C W1 O/B G 4 2 Y1 RC RH Y1 RC RH 3 THERMOSTAT NOTES: • The G Wire (dark) that previously went to the Fan Terminal now connects to the Furnace Transformer • The Power Wire (white) connects to both the Fan Terminal as well as the Cool Terminal (with the Y Wire) LuxProducts.
LUX Power Bridge Wiring Diagram POWER BRIDGE COOL FAN HEAT (Stage 1) TRANSFORMER COMMON Y 1 2 3 4 G W W R Y R G C HEAT (Stage 2) FURNACE 1 C W1 W2 G C W1 O/B G 4 2 Y1 RC RH Y1 RC RH 3 THERMOSTAT NOTES: • If you have a heat pump or dual transformer system, please call LUX Tech support. • If you have any wires on your furnace not shown here, please leave them as is. 30 | 856.234.
7. APPENDIX FCC Part 15C Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Johnson Controls, Inc. Philadelphia, PA 19112 USA LuxProducts.com Designed in Philadelphia.