Radio Thermostat CT100 User Manual

Wiring Diagrams
Installation Guide CT100
Accessory Wiring
Zoned Hot Water Heat
For Solenoid or Motor valves,
connect the wires based on the
diagrams to the correct terminal on
the CT100.
• USE ONLY IN HEAT MODE.
• The CT100 must be powered by
24v ac.
The third wire on your valve may be called 6, Y, or G (see the Wire
Reference Table on page 23.
CT100
RH AW
MOTOR VALVE
RH
WA
CT100
RH AW
SOLENOID VALVE
RH
AW
Wiring Diagrams
Installation Guide CT100
Wire Reference Table
Possible Wires What They Control
R or V or VR RH and RC Single power for HEAT and COOL
RH or 4 RH Power for HEAT (RH not connected to RC jumper clip
removed)
RC RC Power for COOL (RH not connected to RC jumper clip
removed)
W W Heat control
W2 W2 2nd stage HEAT or heat pump auxiliary heat
W3 W3 3rd stage HEAT or 2nd stage of 2 stage auxiliary heat
Y Y COOL control or 1st stage compression for heat pump
Y2 Y2 2nd stage COOL control or 2nd stage compression for
a heat pump
G or F G FAN control
C or X C 24VAC power (to power thermostat) NOTE: TRANE uses B
for this connection
H H External Humidifi er
DH DH External De-Humidifi er
EX
EX external fresh air baffl e
B
B Heat pump changeover (cool to heat, powered in heat)
O O Heat pump changeover (heat to cool, powered in cool)
B and O
IMPORTANT: If there are both B and O wires (Trane pump
products) DO NOT CONNECT B to B terminal. Instead,
connect B to C terminal. If not a Trane product, tape off B.
E n/a Emergency heat (do not connect, tape off )
L n/a System monitor (do not connect, tape off )
T n/a Outdoor sensor (do not connect, tape off )
23

Radio Thermostat CT100 Specifications

General

Brand	Radio Thermostat
Model	CT100
Category	Thermostat
Language	English