ControlTemp Basic Tamper Proof Thermostat Operating instructions
- Type
- Operating instructions
Common Wiring Configurations
•Two wire heat only should be connected to Rh/B and W
•Three wire furnace w/o AC should be connected to Rh/B, W, G
•Four wire furnace with AC should be connected to Rh/B, W, Y and G
•Single stage Heat Pump should be connected to R, G, Y, Rc/O (cool)
or Rh/B (heat)
Note: Before removing your old thermostat, label what wires are connected to which terminals.
You should connect the wires to the same terminals on the CT72/CT74/CT76 units.
Keep Jumper in place.
Thermostat can be used with or without batteries if connected to the C terminal.
The colors do not matter. What matters is what function the wire performs.
Basic Tamper Proof Thermostat
Supplemental Instructions
C Y R G W Rc Rh
/O /B
R, Rc/O, Rh/B 24v (Hot), depending on system type
C 24vac (Optional Common)
W Heat Relay
Y Cool Relay
G Fan Relay
Thermostat Terminals
-
1
