Lux GEO User Manual
GEO
WiFi THERMOSTAT
GEO
Welcome to your LUX/GEO™ quick-start guide
Your LUX/GEOTM internet connected thermostat puts the control of your comfort in your hands and
you are only 10 easy steps away from installation.
IF AT ANY TIME DURING THE INSTALLATION AND SET-UP PROCESS YOU NEED ADDITIONAL SUPPORT,
VISIT LUX-GEO.COM OR CALL 856.234.8803
Step 1: Getting started
Locate and gather the following items for ease
of installation
Included:
2 screws
2 wall anchors
Items needed:
phillips & at
head screwdriver
wire stripper
& cutter
WiFi enabled
mobile device
Download App and
Create Your Account
Download your LUX/GEO App
Depending on device type, search the
App store for “LUX GEO” and create
your LUX/GEOTM user account
IF YOU DO NOT HAVE AN iOS OR ANDROID DEVICE,
PLEASE VISIT LUX-GEO.COM.
2-AA Lithium
batteries
WiFi
router
Step 2: Switch power o
IMPORTANT: Turn o the power at
circuit breaker to both your heating
& cooling systems before performing
any wiring.
Step 3: Remove existing
thermostat & install GEOTM
TAKE
PHOTO OF
CURRENT
WIRING
HOLD
AND
PULL TO
OPEN GEO
Remove front of existing thermostat from base
Photograph current wiring for reference
Release wires and mounting screws and
remove base from wall
Open GEO™ from base, pull up on plastic
“cover” between terminal blocks to access
and pull wires through.
Secure GEO base to wall (mounting
hardware & optional wall plate included)
WATCH
OUR VIDEO
DEMO LUX-GEO.COM
REMOVE
TERMINAL
COVER
Y1
RESET
W1
Step 4: Powering & wiring
LUX/GEO
TM
GEOTM needs only 1 of 3 power source options:
C-terminal (Recommended & for optimal performance.
Reference photo from step 3 to confirm C-wire.)
Battery* (2-AA Lithium included)
USB micro-port available on GEOTM
(adapter & cord not included; recommend 1A adapter)
Step 5 provides detail on battery & USB connection
NOTE: System compatibility
For Use On:
Most 24-volt heating and cooling systems
1 or 2 stage heat / 1 or 2 stage cool: gas, oil, or electric
furnace and a/c systems
1 or 2 stage heat / 1 stage cool: heat-pump style systems
2-wire hydronic (hot water) zone valves
Gas Millivolt wall/floor heaters
AS AN ADDED RESOURCE, A GLOSSARY OF TERMS IS
AVAILABLE ON LUX-GEO.COM
*Notice for battery installations:
Batteries should be replaced at least once per year, but
depending on your settings may need to be replaced sooner.
Battery failure could leave property without controlled
heating or cooling. Reliance on battery power is not
recommended with prolonged absence from property.
After installation you can choose to set the
“energy profile” for your GEOTM This energy profile will
determine the delay in GEOTM responding to changes from
the App.
GEOTM should only be used with lithium batteries.
Not For Use On:
120/240 VAC line-
voltage systems
(without a transformer)
Heat pumps that
have (Y2) two
compressor stages
WIRES INSERT INTO SIDE OF
TERMINAL, UNDER SCREWS.
4.1 Wiring Terminal Reference: Conventional
Furnace – gas/oil/electric & air-conditioning*
*for heat pump systems - see section 4.2
FOR A DETAILED WIRING GUIDE
VISIT LUX-GEO.COM.
Referencing your wiring photo & terminal guide below, wire to GEO.
GAS / OIL / ELECTRIC FURNACE and/or AIR CONDITIONING [typical wire color used]
(typical)
RH (or R) = 24(+) VAC Power, Heat [RED]
W1 = 1st Stage Heat [WHITE]
G = Blower Fan [GREEN]
C = 24(-) VAC Common [BLUE]
Y1 = 1st Stage Cool [YELLOW]
(other)
RC = 24(+) VAC Power, Cool
B = Heat Mode Damper
O = Cool Mode Damper
W2 = 2nd Stage Heat
Y2 = 2nd Stage Cool
IMPORTANT: If you have both an RC and RH wire present then
remove the RED RC-RH shorting cap found on inside front of GEOTM.
Wiring is complete - you may return “cover” between terminal blocks.
RC RH
RETURN
TERMINAL
COVER
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