3
OUTDOOR/INDOOR
TEMPERATURE
SENSOR
S1 S2 C R RC
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. 12. Typical hookup of heat only system with fan (1H conventional).
EWT-3102 / EWT-3103 Touchscreen Programmable Thermostat
R
C 1
OPTIONAL
24VAC
COMMON
CONNECTION
HEAT RELAY
2
W W2
Y2 Y G
FAN RELAY
CONVENTIONAL
25
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