Wiring Diagrams
Installation Guide CT100
R
Y
G
C
B O
R G
C B O
Yn
Wn
Yn
Wn
R G
C
C
W
R
HVAC
C
W
R G
W
R G
C
Y
G
C
RH
W Y
RC
HVAC
HVAC
HVAC
HVAC
HVAC
HVAC
C W R
C W R G
C W Y R G
C W Y RH RC G
WIRES
WIRES
WIRES
Multi-stage Heat Pump
w/ Multi-stage Aux Heat
C Wn Yn R G
WIRES
Multi-stage Cool
Multi-stage Heat
3 Wire Heat
4 Wire Heat
5 Wire Heat/Cool
6 Wire Heat/Cool
C B or O Y R G
C B or O AUXn Yn R G
WIRES
WIRES
WIRES
Go to Page 19
Go to Page 19
Go to Page 19
Go to Page 20
Go to Page 20
Go to Page 21
Go to Page 21
or
or
4 Wire Heat Pump
w/o Aux Heat
Detailed Wiring Diagrams
Wiring Diagrams
Installation Guide CT100
Step-By-Step Wiring Diagrams
3 Wire Heat GAS MILLIVOLT or 24VAC
System
1. Connect the R (or RH) wire to the
RH terminal. This connects the
heat power.
2. Connect the W wire to the W
terminal. This connects the heat.
3. Connect the C wire to the C
terminal. Your HVAC system is now connected to the CT100.
4. Go to “Connect Your Wires” on page 9.
4 Wire Heat
1. Connect the R (or RH) wire to the
RH terminal. This connects the
heat power.
2. Connect the W wire to the W
terminal. This connects the heat.
3. Connect the G wire to the G
terminal. This connects the fan.
4. Connect the C wire to the C terminal. Your HVAC system is now
connected to the CT100.
5. Go to “Connect Your Wires” on page 9.
5 Wire Heat/Cool
1. Connect the W wire to the W
terminal. This connects the heat.
2. Connect the Y wire to the Y
terminal. This connects the
cooling compressor.
3. Connect the RH or R wire to the
RH terminal. This connects the
power.
4. Connect the G wire to the G terminal. This connects the fan.
5. Connect the C wire to the C terminal. Your HVAC system is now
connected to the CT100.
6. Go to “Connect Your Wires” on page 9.
POWER
HVAC SYSTEM
THERMOSTAT
C B O W
Y Y
2
R
H
RC G A
W
2
W R
C
POWER
HVAC SYSTEM
THERMOSTAT
C B O W
Y Y
2
R
H
RC G A
W
2
W R
C
G
POWER
HVAC SYSTEM
THERMOSTAT TERMINALS
C B O W
Y Y
2
R
H
RC G A
W
2
W
R
C
G
Y
19
Summary of Contents for CT100
Page 3: ...Radio Thermostat Getting Started 3 ...
Page 11: ...Radio Thermostat Setup 11 ...
Page 17: ...up 00 r 4 ain l e is o t Radio Thermostat Wiring Diagrams 17 ...
Page 26: ...Product Overview 26 ...
Page 34: ...Customization 34 ...
Page 42: ...Thermostat Schedule 42 ...