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.
