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CAUTION: Make sure all power to your HVAC system is shut OFF at the breaker
before proceding.
The first step to properly wiring
your new thermostat is to carefully label the existing wires from you old
thermostat.
If it's too late and you have
already disconnected them from your old thermostat. CLICK
HERE 
Place cooresponding labels (included
in your Ritetemp thermostat package) on the wires. Listed in the table
below are the wires commonly found in home installations and what they
do.
Once they are labeled remove the
wires from the terminals of the old thermostat. Be careful not to touch the bare
wires together when handling them, this could damage your HVAC system. Make sure
the wires do not fall back inside the wall. Winding them around a pencil
to keep them from falling back in works well. You can fill wall opening with
fiber glass insulation to prevent drafts.
When all your wires are correctly labeled,CLICK HERE
Common Wire
Names:
R or RH - HEATER TRANSFORMER
W - HEATING CONTROL
G - FAN RELAY
C - 24 VAC COMMON
(optional)*
Y - COOLING COMPRESSOR
RC - COOLING TRANSFORMER
O - DAMPER OR CHANGEOVER VALVE (POWERED IN COOL)
B
-
DAMPER OR CHANGEOVER VALVE (POWERED IN HEAT)
* The optional C-wire should be connected if available, it will extend
your battery life significantly.
NOTE: If the wire names here do
not match the wires you have CLICK HERE
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