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1. Remove cover from remote sensor housing.
2. Select an appropriate location for mounting the remote sensor.
3. Mount remote sensor unit using hardware provided.
4. Install two strand shielded wire between remote sensor and thermostat. Shielded wire must be used.
Do not run remote sensor wire in conduit with other wires.
• Wire 1 should run between the S1 terminal on the thermostat and the S1 terminal on the
remote sensor
• Wire 2 should run between the S2 terminal on the thermostat and the S2 terminal on the
remote sensor
• Connect the shielding of the wire to the S2 terminal on the thermostat
5. Select correct option for monitoring temperature.
• To monitor temperature with remote sensor only, cut R12 from thermostat circuit board
• To average the temperatures of the remote sensor and the sensor of the SC3801, do not remove R12
Remote Sensor Installation (Optional)
Cut R12 from circuit board for remote sensor use only.
Leave R12 as is for averaging operation.
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