Conventional - EWC Controls EWT-3102 User Manual

OUTDOOR/INDOOR
TEMPERATURE
SENSOR
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. 14. Typical hookup of heat only system with normally open zone valves.
EWT-3102 / EWT-3103 Touchscreen Programmable Thermostat
R
3
OPTIONAL
24VAC
COMMON
CONNECTION
2
S1 S2 C R RC W W2
1
C
4
NORMALLY OPEN
ZONE VALVE
Y2 Y G

CONVENTIONAL

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