Comfort Stat CDT901 - Manual (Page 27)

CDT900 Series Touchscreen Programmable Thermostata
1. POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED
2. FACTORY INSTALLED JUMPER.
3. OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE ON SELECT MODELS. WIRES MUST HAVE A CABLE
SEPARATE FROM THE THERMOSTAT CABLE
Fig. 13. Typical hookup of heat only power to open and power to close zone valve
(Series 20) system.
26
OUTDOOR/INDOOR
TEMPERATURE
SENSOR
3
R C 1
2
W B R
TR TR SERIES 20
MOTOR OR
VALVE
CONVENTIONAL S1 S2 C R RC W W2 Y2 Y G