6
7
Thermostat Install
Turn OFF Power
Turn off the power to your
HVAC (Heating, Ventilation,
and Air Conditioning)
system by using the master
equipment switch or circuit
breaker box.
Confirm that your system is off
Try to adjust the temperature on your old
thermostat.
If you don’t hear the system turn on
within 5 minutes, air does not come out from the
vents or the old thermostat does not even power
on, then you have successfully turned off the power
to your system.
Step 1
Step 2
Make Sure Your
Old Thermostat
Does Not Contain
Line Voltage Wiring
If you see any of these images,
unfortunately the BCC50 will not
work with your system. If you are
unsure or would like to discuss your
options, please contact our
support line: 1-800-283-3787.
Step 3
WARNING: Failure to turn off the power
may result in electrivcal shock and/or
damage to the equipment.
Remove the old thermostat from the
old wall plate
Take a Picture of The Existing Wiring
Make sure that you can clearly read the terminal labels
and see which wires are connected to which terminal
from your photo. You will need to
reference this photo later during the
initial setup. Note: You can also use
the wire labels we have provided you
to correctly label each wire based on
the terminal where it is connected.
Step 4
ON
OFF
Y2 W2 G W C Y R RC
E
L
AUX G OB C Y R RC
OLD WALL PLATE
OLD THERMOSTAT
Y2 W2 G W C Y R RC
E
L
AUX G OB C Y R RC
OLD WALL PLATE
Confirm You Have a C-wire Connected
To Your Old Thermostats Wall Plate
Make sure that you can clearly read the terminal labels
and see which wires are connected to which terminal
from your photo. You will need to reference this photo
later during the initial setup. Note: You can also use the
wire labels we have provided you to correctly label each
wire based on the terminal where it is connected.
Step 5
Y2 W2 G W C Y R RC
E
L
AUX G OB C Y R RC
Y2 W2 G W C Y R RC
E
L
AUX G OB C Y R RC
Disconnect Wires From The Old Thermostat Wall
Plate and Remove Plate From Wall
Make sure that you can clearly read the terminal labels
and see which wires are connected to which terminal
from your photo. You will
need to reference this
photo later during the initial
setup. Note: You can also
use the wire labels we have
provided you to correctly
label each wire based on
the terminal where
it is connected.
Step 6
Y2 W2 G W C Y R RC
E
L
AUX G OB C Y R RC
Step 7
If Necessary
drill two 7/32” holes where
you marked the location of
the mounting screws and
then insert the wall anchors
provided into these
mounting holes.
What hook up are we doing?
