ControlTemp CT2001 User Manual page 31

OUTDOOR/INDOOR
TEMPERATURE
CONVENTIONAL
1. POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2. OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE ON SELECT MODELS. WIRES MUST HAVE A CABLE
SEPARATE FROM THE THERMOSTAT CABLE.
Fig. 17. Typical hookup of conventional multistage two-stage heating and two-stage
cooling in a two-transformer system (2H/2C, 2H/1C or1H/2C conventional).
2
SENSOR
HEAT RELAY 1
S1 S2 C R RC
CT2001 Touchscreen Programmable Thermostat
C R
1
HEAT RELAY 2
COOL RELAY 2
W W2 Y2 Y G
R C 1
FAN RELAY
COOL RELAY 1
OPTIONAL
24VAC
COMMON
CONNECTION
MUST COME
FROM THE
COOLING
TRANSFORMER
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