Lux CS1 User Manual
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.com/CS1manualsSP
This manual is a comprehensive guide to installation and wiring.
1. START HERE
1
6
2
3
4
7
5
INSIDE THE BOX:
CS1 Thermostat
1
Power Wire
2
Mounting Screws
3
Wall Anchors
4
Wire Labels
5
Wall Plate
6
Screwdriver
7
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) .............................10-13
4. Installing with LUX Power Bridge (Not Included) ..... 14-17
5. HVAC System Setup .................................................................18-21
6. Connecting to the Network ................................................ 22-25
7. Appendix ...................................................................................... 26-31
LuxProducts.com | 3
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 1.4: Remove the front of your old thermostat from its
base. If you see thick black wires, wire nuts,
or any labels that say 120-240VAC or High
Voltage, your system is not compatible
with CS1. Please call LUX Technical Support
at 856.234.8803 before proceeding with
your installation. If you do not see any high
voltage labels or wires, you can continue
with your installation.
HIGH
VOLTAGE
4 | 856.234.8803
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. If you do not, please skip ahead to page 10.
LuxProducts.com | 5
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). Potential configurations include:
• Conventional 1H/1C (Y, G, W, R, C)
• Conventional 2H/1C (Y, G, W, W2, R, C)
• Heat Pump Single-Stage (Y, G, R, O/B, C)
• Heat Pump with auxiliary heat or dual fuel (Y, G, R, O/B, W, C)
If you have only one R wire, please use the RH terminal. If
you have a different configuration other than what is listed
above, please call LUX Technical Support for help with your
installation.
6 | 856.234.8803
INSTALLATION WITH
C-WIRE2.
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. Secure the base to the wall
using the included mounting hardware.
LuxProducts.com | 7
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.
CCW1W1W2
O/B
1 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 2.6(hp): Following the terminal labels
marked “Heat Pump” on the thermostat base
and referencing your wiring photo, loosen the
screw and insert each labeled wire into the top
hole of the corresponding terminal, tighten the
screw.
CCW1W1W2
O/B
1 4 2
If your old thermostat did not have a W1 wire but did have a
W2 wire, please insert the W2 wire into the W1 terminal.
Step 2.7(hp): If you have both an O wire and a B wire
(i.e. in some systems), please install the B wire to the “C”
terminal.
For more detailed directions, please see the wiring diagrams
in the appendix or call LUX Technical Support.
8 | 856.234.8803
INSTALLATION WITH
C-WIRE2.
Installation with C-wire
Step 2.8:
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.
Securely fasten CS1 onto its base. Once it has
LuxProducts.com | 9
Installing without a C-Wire
STOP
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.
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 | 856.234.8803
Loading...