ICM Controls SC 3801 Installation, Operation & Application Manual
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ICM Controls SC 3801 Installation, Operation & Application Manual

Programmable electronic 2 heat/2 cool 7-day programmable hardwired
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See also: Owner's Manual
• Programmable and Configurable
• Single/Dual Stage Heat Pump Systems
• Single/Dual Stage Heat/Cool Systems
• Backlit Display
• Auto Changeover
• Simpleset
7 Day Programming
®
• Compatible with Gas, Oil, or Electric
• Title 24 Compliant/No Batteries Required
• Relay Outputs
(minimum voltage drop in thermostat)
• Ideally Suited for:
–
Residential (New Construction/Replacement), Light Commercial
Installation, Operation & Application Guide
For more information on our complete range of American-made
products – plus wiring diagrams, troubleshooting tips and more,
visit us at www.icmcontrols.com
SC 3801
Programmable Electronic Thermostat
2 Heat/2 Cool
7-Day Programmable
 H ardwired

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Summary of Contents for ICM Controls SC 3801

  • Page 1 SC 3801 2 Heat/2 Cool 7-Day Programmable  H ardwired Programmable Electronic Thermostat • Programmable and Configurable • Single/Dual Stage Heat Pump Systems • Single/Dual Stage Heat/Cool Systems • Backlit Display • Auto Changeover • Simpleset 7 Day Programming ® • Compatible with Gas, Oil, or Electric • Title 24 Compliant/No Batteries Required • Relay Outputs (minimum voltage drop in thermostat) • Ideally Suited for: – Residential (New Construction/Replacement), Light Commercial Installation, Operation & Application Guide For more information on our complete range of American-made products –...

  • Page 2: Table Of Contents

    Table of Contents Specifications......................1 Important.Safety.Information................1 Package.Contents/Tools.Required................1 To.Remove.Existing.Thermostat................2 To.Install.Thermostat.....................2 Remote.Sensor.Installation.(Optional)..............4 Wiring.Diagrams....................5-6 Wiring.Diagram.Conversions................7-18 Configuration.Mode..................19-22 Testing.the.Thermostat..................23 Mode.of.Operation....................24 Operating.Modes....................25 Setting.the.Time.and.Day.of.the.Week..............26 Programming.......................27 Simpleset .Programming..................29 ® Lockout.Function....................29 Factory.Preprogramming..................30 Personal.Program.Schedule.................30 Troubleshooting....................33...

  • Page 3: Specifications

    Specifications Electrical rating:. •.24.VAC.(18-30.VAC) •.1.amp.maximum.per.terminal •.4.amp.maximum.total.load Temperature control range: 45°F.to.90°F.(7°C.to.32°C)...Accuracy:.±.1°F.(±.0.5°C) System configurations:.2-stage.heat,.2-stage.cool,.heat.pump,.gas,.oil,.electric Terminations:.R,.C,.W1/O/B,.Y1,.W2,.Y2,.G,.S1,.S2 Important Safety Information WARNING!: Always turn off power at the main power supply before installing, cleaning, or removing thermostat. •.This.thermostat.is.for.24.VAC.applications.only;.do.not.use.on.voltages.over.30.VAC •.Do.not.short.across.terminals.of.gas.valve.or.system.control.to.test.operation;.this.will.damage.your. thermostat.and.void.your.warranty •.All.wiring.must.conform.to.local.and.national.electrical.and.building.codes •.Do.not.use.air.conditioning.when.the.outdoor.temperature.is.below.50.degrees;.this.can.damage.your. A/C.system.and.cause.personal.injuries •.Use.this.thermostat.only.as.described.in.this.manual Package Contents/Tools Required ® Package includes:. SimpleComfort .3801.programmable.thermostat.on.base,.labeled.thermostat.cover,.

  • Page 4: To.remove.existing.thermostat

    To Remove Existing Thermostat ELECTRICAL SHOCK HAZARD –.Turn off power at the main service panel by removing the fuse or switching the appropriate circuit breaker to the OFF position before removing the existing thermostat. 1.. Turn.off.power.to.the.heating.and.cooling.system.by.removing.the.fuse.or.switching.the.appropriate. circuit.breaker.off. 2.. Remove.cover.of.old.thermostat..This.should.expose.the.wires. 3.. Label.the.existing.wires.with.the.enclosed.wire.labels.before.removing.wires. 4.. After.labeling.wires,.remove.wires.from.wire.terminals. 5..
  • Page 5 To Install Thermostat (continued) 2.. To.remove.cover,.insert.and.twist.a.coin.or.screwdriver.in.the.slots.on.the.sides.of.the.thermostat. 3.. Put.thermostat.base.against.the.wall.where.you.plan.to.mount.it.(Be.sure.wires.will.feed.through.the. wire.opening.in.the.base.of.the.thermostat). 4.. Mark.the.placement.of.the.mounting.holes. 5.. Set.thermostat.base.and.cover.away.from.working.area. 6.. Using.a.3/16”.drill.bit,.drill.holes.in.the.places.you.have.marked.for.mounting. 7.. Use.a.hammer.to.tap.supplied.anchors.in.mounting.holes. 8.. Align.thermostat.base.with.mounting.holes.and.feed.the.control.wires.through.wire.opening. 9.. Use.supplied.screws.to.mount.thermostat.base.to.wall. 10.. Insert.stripped,.labeled.wires.in.matching.wire.terminals..See.“Wiring.Diagrams”.section.of.this. manual.(Pages.5.to.18)..If.using.optional.remote.sensor,.see.“Remote.Sensor.Installation”.(Page.4). CAUTION!:. Be.sure.exposed.portion.of.wires.does.not.touch.other.wires. 11.. Tighten.screws.on.terminal.block..Gently.tug.wire.to.be.sure.of.proper.connection..Double.check.that. each.wire.is.connected.to.the.proper.terminal.. 12.. Seal.hole.for.wires.behind.thermostat.with.non-flammable.insulation.or.putty. 13.. Replace.cover.on.thermostat.by.snapping.it.in.place. 14.. Turn.on.power.to.the.system.at.the.main.service.panel. 15.. Test.thermostat.operation.as.described.in.“Testing.the.Thermostat”.(Page.23).

  • Page 6: Remote.sensor.installation.(Optional)

    Remote Sensor Installation (Optional) 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 Cut R12 from circuit board for remote sensor use only. Leave R12 as is for averaging operation.

  • Page 7: Wiring.diagrams

    Wiring Diagrams First Heating Control First Cooling First Cooling Control Control Second Heating Control Second Cooling Second Cooling Control Control Fan Control Fan Control...
  • Page 8 Wiring Diagram (continued) First Heating First Heating Control Control Second Heating Second Heating Control Control Fan Control...

  • Page 9: Wiring.diagram.conversions

    Wiring Diagram Conversions SimpleComfort 3801 Electronic Thermostat Conversion to: ® Carrier Split Stream Condensers and Heat Pump Systems SC 3801 Electronic Thermostat...
  • Page 10 SimpleComfort 3801 Electronic Thermostat Conversion to: ® Coleman 3000 Series Heat Pump Systems SC 3801 Electronic Thermostat...
  • Page 11 SimpleComfort 3801 Electronic Thermostat Conversion to: ® Comfortmaker CYC Series Heat Pump Systems SC 3801 Electronic Thermostat...
  • Page 12 SimpleComfort 3801 Electronic Thermostat Conversion to: ® Heil-Quaker 867.814 Series and PH50 Series Heat Pump Systems SC 3801 Electronic Thermostat...
  • Page 13 SimpleComfort 3801 Electronic Thermostat Conversion to: ® Payne Reliant and Endura Model Heat Pump Systems SC 3801 Electronic Thermostat...
  • Page 14 SimpleComfort 3801 Electronic Thermostat Conversion to: ® Rheem/Ruud: -PGB, -PFA, -PCB, -PLA, and -PKA Series Heat Pump Systems SC 3801 Electronic Thermostat...
  • Page 15 SimpleComfort 3801 Electronic Thermostat Conversion to: ® Goodman, Janitrol, Trane/American Standard Heat Pumps Note 1: X2 terminal on Goodman PCD capped SC 3801 Note 2: T terminal on Goodman PCD capped Electronic Thermostat...
  • Page 16 SimpleComfort 3801 Electronic Thermostat Conversion to: ® York E1CS, E1FB, E1FH Heat Pump Systems SC 3801 Electronic Thermostat...
  • Page 17 SimpleComfort 3801 Electronic Thermostat Conversion to: ® Lennox CB19 Heat Pump Systems Note 1: E terminal on Lennox PCD capped SC 3801 Note 2: L terminal on Lennox PCD capped Electronic Thermostat...
  • Page 18 SimpleComfort 3801 Electronic Thermostat Conversion to: ® Lennox HP19 and HP20 Heat Pump Systems SC 3801 Electronic Thermostat...
  • Page 19 SimpleComfort 3801 Electronic Thermostat Conversion to: ® Lennox HP21 With CB21 PCB Heat Pump Systems Note 1: E terminal on Lennox PCD capped SC 3801 Note 2: L terminal on Lennox PCD capped Electronic Thermostat...
  • Page 20 SimpleComfort 3801 Electronic Thermostat Conversion to: ® Lennox HP22 With CB19 PCB Heat Pump Systems Note 1: E terminal on Lennox PCD capped SC 3801 Note 2: L terminal on Lennox PCD capped Electronic Thermostat...

  • Page 21: Configuration.mode

    Configuration Mode The.configuration.mode.is.used.to.set.the.SC3801.to.match.your.heating/cooling.system..The.SC3801.functions. with.heat.pump,.air.conditioning,.gas,.oil,.or.electric.heat.systems. 1.. To.enter.the.configuration.mode,.simultaneously.hold.down.the. .and. .buttons.while.the. SC3801.is.in.OFF.mode. 2.. Press.the. .or. .button.to.change.settings.within.each.screen. 3.. Press.the. .button.to.advance.to.the.next.screen. . Note:.The. .button.will.return.you.to.the.previous.screen. 4.. To.exit.configuration.mode,.hold.in.the. .button.for.6.seconds. Configuration Mode Settings.. The.setup.screens.for.configuration.mode.are.as.follows: 1.. Heat.pump.–.Press.the. .or. .button.to.configure.as.heat.pump.or.non-heat.pump.system. •.ON.=.Heat.pump.system •.OFF.=.Non-heat.pump.system Press.the. .button.to.advance.to.the.next.screen. 2.. Reversing.valve.–.appears.only.if.heat.pump.is.set.to.“ON”. Press.the. .or. .button.to.set.reversing.valve. If.your.reversing.valve.is.energized.in.heat.mode,.set.to.“b.”.If.the.reversing.valve.is. energized.in.cool.mode,.set.to.“o.” Press.the. .button.to.advance.to.the.next.screen. 3..
  • Page 22 Configuration Mode Settings (continued) 4.. Temperature.scale.(F.or.C).–.Choose.Fahrenheit.or.Celsius. Press.the. .or. .button.to.select. Press.the. .button.to.advance.to.the.next.screen. 5.. Stage.1.Differential.(1°F.to.3°F).(1°C.to.2°C).–.Set.the.number.of.degrees.between.your.“turn. on”.temperature.and.your.“setpoint”.temperature. Press.the. .or. .button.to.set.differential.value. Press.the. .button.to.advance.to.the.next.screen. 6.. Stage.2.Differential.(1°F.to.6°F).(1°C.to.3°C).–.Set.the.number.of.degress.between.when.Stage. 1.turns.on.and.when.Stage.2.turns.on. Press.the. .or. .button.to.set.differential.value. Press.the. .button.to.advance.to.the.next.screen. 7.. Deadband.(1°F.to.9°F).(1°C.to.5°C).–.Set.the.minimum.number.of.degrees.between.your. heating.system.activation.and.your.cooling.system.activation. Press.the. .or. .button.to.set.deadband.value. Press.the. .button.to.advance.to.the.next.screen. 8.. Staged.off.outputs.–.Select.whether.the.outputs.for.heating.and.cooling.are.staged.off. independently.or.are.satisfied.simultaneously. 1.=.Economy.Mode.–.Outputs.are.staged.on.and.off.in.accordance.with.setpoint.and. differential. 0.=.Comfort.Mode.–. Outputs.are.staged.on.and.all.stages.cycle.off.simultaneously.when.set. point.is.satisfied. Press.the.
  • Page 23 Configuration Mode Settings (continued) 10.. Fan.OFF.Delay.–.HEAT.cycle.(0-240.seconds).–.Time.fan.is.delayed.turning.OFF.after.heat. cycle..For.no.delay,.set.to.0:00. .Note:.This.appears.only.for.heat.pump.or.electric.heat.systems. Press.the. .or. .button.to.set.delay. CAUTION!:. Changing from the default of 0:00 may permanently damage your system. Press.the. .button.to.advance.to.the.next.screen. 11.. Fan.ON.Delay.–.COOL.cycle.(0-120.seconds).–.Time.fan.is.delayed.turning.ON.at.start.of.cool. cycle..For.no.delay,.set.to.0:00. Press.the. .or. .button.to.set.delay. CAUTION!:. Changing from the default of 0:00 may permanently damage your system. Press.the.
  • Page 24 Configuration Mode Settings (continued) 15.. Status.indicator.(0,.1,.2).–.Choose.when.status.indicator.LED.(green,.red).illuminates. 0.=.Status.indicator.never.on 1.=.Status.indicator.on.with.first.stage 2.=.Status.indicator.on.with.second.stage Press.the. .or. .button.to.select. Press.the. .button.to.advance.to.the.next.screen. 16.. Lockout.(0°F.to.8°F,.NITE,.COOL-HEAT).–.Select.the.number.of.degrees.set.temperature.can. be.changed.during.keypad.lockout.or.select.to.lockout.during.NITE.period.only..COOL-HEAT. lockout.allows.adjustment.of.the.set.temperatures.to.the.maximum.heat.set.temperature. selected.in.Step.17.and.minimum.cool.set.temperature.selected.in.Step.18. ..Note:.The.mode.cannot.be.changed.when.the.thermostat.is.locked. Press.the. .or. .button.to.select. Press.the. .button.to.advance.to.the.next.screen. 17.. Maximum.Heat.Setpoint.(45°F.to.90°F).(7°C.to.32°C).. Adjust.to.control.the.maximum.Heat.set.temperature.allowed. Press.the. .or. .button.to.select. Press.the. .button.to.advance.to.the.next.screen. 18.. Minimum.Cool.Setpoint.(45°F.to.90°F).(7°C.to.32°C). Adjust.to.control.the.minimum.Cool.set.temperature.allowed. Press.the. .or. .button.to.select. Press.the. .button.to.advance.to.the.next.screen. 19.. Room.Temperature.Offset.(+9°F.to.-9°F).(+5°C.to.-5°C). Adjust.to.calibrate.displayed.room.temperature.to.match.actual.room.temperature.

  • Page 25: Testing.the.thermostat

    Testing the Thermostat Once.the.thermostat.is.installed,.it.should.be.thoroughly.tested... CAUTION!:.Do not energize the air conditioning system when the outdoor temperature is below 50 degrees. It can result in equipment damage or personal injury. Cool Test 1.. Press.mode. .button.until.cool.mode.screen.is.displayed... 2.. Adjust.set.temperature.so.it.is.5.degrees.below.room.temperature.. 3.. Air.conditioning.should.come.on.within.a.few.seconds. 4.. Adjust.the.set.temperature.2.degrees.above.the.room.temperature.and.the. A/C.should.turn.off..There.may.be.a.fan.delay.on.your.system. . Note:. There.is.a.four.minute.time.delay.to.protect.the.compressor.. after.it.turns.off..To.temporarily.bypass.the.four.minute.delay,.

  • Page 26: Mode.of.operation

    Mode of Operation The.SC3801.is.a.programmable,.auto.changeover,.two.stage.heat,.two.stage.cool.thermostat..It.functions. with.air.conditioning,.heat.pumps,.gas,.oil,.or.electric.heat.. The.thermostat.activates.a.heating.appliance.when.the.room.temperature.is.below.the.set.heat. temperature.(by.the.differential.temperature)..The.red.status.indicator.may.come.on.with.first.or.second. stage,.depending.on.configuration..When.the.room.temperature.drops.further,.the.second.stage.(auxiliary). heat.is.activated..The.heating.is.staged.off.when.the.room.temperature.increases..With.heat.pumps,. the.thermostat.will.not.let.the.compressor.come.on.for.four.minutes.after.it.turns.off..This.protects.your. compressor..Emergency.heat.mode.can.be.used.to.bypass.heat.pump.operation,.making.auxiliary.heat.first. stage. When.the.room.temperature.is.greater.than.the.set.cool.temperature.(by.the.differential.temperature),.the. first.stage.cooling.device.is.activated..The.green.status.indicator.may.come.on.with.first.or.second.stage,. depending.on.configuration..If.the.room.temperature.increases,.the.second.stage.cooling.device.will.be. activated..The.cooling.is.staged.off.when.the.room.temperature.decreases..The.thermostat.will.not.let.the. compressor.come.on.for.four.minutes.after.it.turns.off..This.protects.your.compressor. The.SC3801.has.the.following.operating.modes:.OFF,.Heat,.Emergency.Heat,.Cool,.Cool.and.Heat,.and. Program.mode..In.OFF.mode,.the.thermostat.will.not.turn.on.heating.or.cooling.devices..The.indoor.fan.can. be.turned.on.in.all.operating.modes.using.the.fan.switch..In.the.Heat.mode,.the.thermostat.controls.the. heating.system..Emergency.Heat.mode.can.be.utilized.if.a.heat.pump.malfunction.occurs..In.the.Cool.mode,. the.thermostat.controls.the.cooling.system..In.the.Cool.and.Heat.mode,.the.thermostat.controls.both.the. cooling.and.heating.systems..In.Program.mode,.the.thermostat.will.automatically.be.controlled.by.the.set. program..Program.mode.can.function.with.Heat.mode,.Cool.mode,.Cool.and.Heat.mode.or.OFF.mode.(for. Programmable.fan.option.only)..The.clock.display.alternates.with.the.set.temperature.display.for.Cool.and. Heat.mode. The.program.schedule.can.be.overridden.by.changing.the.set.temperature.( .or. )..This.puts.the.SC3801. thermostat.into.a.2-hour.temporary.hold..After.2.hours,.it.will.automatically.return.to.the.program.schedule. The.SC3801.also.has.a.button.lockout.feature..This.enables.the.thermostat.to.be.set.to.the.proper.mode. and.temperature.and.locked.so.it.cannot.be.tampered.with.

  • Page 27: Operating.modes

    Operating Modes Program Overview These.are.the.possible.operating.modes.for.the.SC3801 OFF Mode In.this.mode,.the.thermostat.will.not.turn.on.the.heating.or.cooling.devices. . Note 1:.The.indoor.fan.can.be.turned.on.manually.in.every.operating.mode.by.sliding.the. Auto/On.switch.to.ON. . Note 2:.To.enter.Programming.Fan.Only.Mode,.press.the. .button.once..Only.the.indoor. fan.will.operate.during.that.period.if.it.is.activated.in.the.program.setup. Cool Mode In.this.mode,.the.thermostat.controls.the.cooling.system.. .Note:.There.is.a.four-minute.delay.for.your.compressor.to.restart.after.it.has.turned.off. Heat Mode In.this.mode,.the.thermostat.controls.the.heating.system.. . Note:.For.heat.pumps,.there.is.a.four-minute.delay.for.your.compressor.to.restart.after.it. has.turned.off. Emergency Heat Mode (Heat.pump.systems.only) In.this.mode,.heat.pump.system.will.be.bypassed.and.auxiliary.heat.becomes.first.stage.heat. . Note:. Enter.Emergency.Heat.from.non-program.heat.mode.by.pressing.the. .button.for. 10.seconds. . Note:. Exit.Emergency.Heat.by.pressing.the. .button.for.10.seconds. Cool and Heat Mode The.thermostat.controls.the.heating.and.cooling.systems,.automatically.changing.over.from.one.to. the.other.as.required. Operating.modes.continued.on.Page.26...

  • Page 28: Setting.the.time.and.day.of.the.week

    Operating Mode (continued) Program Mode In.this.mode,.the.program.function.is.on.(PROG.displays),.and.the.thermostat.will. automatically.be.controlled.by.the.set.program..Program.mode.can.function.with.Heat. mode,.Cool.mode,.Cool.and.Heat.mode,.or.OFF.mode.(for.Programmable.fan.option. only). Press.the. .button.to.enter.and.exit.program.mode. Program Mode Hold The.program.schedule.can.be.overridden.by.changing.the.set.temperature.( .or. )..After.2.hours,.the. program.schedule.will.automatically.be.resumed..To.return.to.the.program.schedule.manually,.press.the. . button.twice. Setting the Time and Day of the Week The.time.and.day.of.the.week.must.be.set.for.your.program.schedule.to.operate.correctly. 1.. Verify.thermostat.is.in.non-programmable.mode.(use.the. .button.to.exit.prog.mode). 2.. Press.and.release. .button.until.OFF.mode.displays. 3.. Press.the. .button.in.for.6.seconds. 4.. Press.the. .or. .button.to.adjust.the.time. 5.. Press.the. .button.while.the.time.is.displayed..The.display.shows.the.day.. currently.set.on.the.thermostat.(1=Monday,.2=Tuesday,.etc).

  • Page 29: Programming

    Programming Program Overview The.SC3801.programmable.thermostat.has.four.periods.(MORN,.DAY,.EVE,.NITE).that.are.customizable. for.each.day.of.the.week..Each.period.will.have.a.start.time,.heat.temperature,.cool.temperature,.and. programmable.fan..The.SC3801.monitors.the.day.and.time,.while.maintaining.the.specific.conditions.you. have.chosen.for.each.period.in.your.program. 1.. Verify.thermostat.is.in.non-programmable.mode.. (use.the. .button.to.exit.prog.mode). 2.. Press.and.release.the. .button.until.OFF.mode.displays. 3.. Press.the. .button.for.6.seconds. 4.. Press.the. .button.twice. •.Day.is.displayed.(1-7). 5.. Press.the. .or. .button.to.change.the.day.you.want.to.program. (1=Monday,.2=Tuesday,.etc). 6.. Press.the. .button.to.advance.to.the.next.screen. ..Note:.You.can.always.press.the. .button.to.return.to.the. previous.screen. •.Period.is.displayed.(MORN,.DAY,.EVE,.NITE) 7.. Press.the. .or. .button.to.change.period.of.day.. 8.. Press.the. .button.to.advance.to.the.next.screen.
  • Page 30 Programming (continued) •.Set.time.is.displayed 9.. Press.the. .or. .button.to.change.set.time.. 10.. Press.the. .button.to.advance.to.the.next.screen. . Note:. Transitions.required.after.11:59.PM.must.be.programmed.in.the.next. day’s.MORN.period. •.Heat.temperature.is.displayed.(50°F.to.90°F) 11.. Press.the. .or. .button.to.adjust.heat.set.temperature.. 12.. Press.the. .button.to.advance.to.the.next.screen. •.Cool.temperature.is.displayed.(45°F.to.85°F) 13.. Press.the. .or. .button.to.adjust.cool.set.temperature. 14.. Press.the. .button.to.advance.to.the.next.screen. •.Programmable.fan.is.displayed 15.. Press.the. .or. .button.to.turn.ON/OFF.continuous.indoor.fan.for.that.period. 16.. Press.the. .button.to.advance.to.the.next.screen. Repeat.steps.1-16.to.program.each.day.of.the.week.individually.or.use.the. Simpleset ®...

  • Page 31: Simpleset® Programming

    Simpleset® Programming Simpleset ® .programming.is.a.convenient.method.of.programming.the.thermostat..Once.the.entire.Monday. (Day.1).schedule.is.set,.Simpleset .programming.will.copy.the.Monday.schedule.to.every.day.of.the.week. ® After.the.complete.Monday.schedule.is.set.(see.Programming.on.Page.27),.you.are.at.the.Day.2.screen: 1.. Press.the. .button.once..Day.1.screen.displays. 2.. Press.the. .button.for.2.seconds. •.The.days.of.the.week.will.count.down.from.7.to.1.and.this.will.lock.the.. settings.into.memory •.Once.the.schedule.is.locked.in,.you.can.go.through.each.day.and.make.. any.changes.you.require;.This.feature.speeds.up.the.programming.of.. the.standard.weekday/weekend.schedule 3..Press. .button.for.5.seconds.to.exit.Program.mode.and.return.to.the.OFF.mode. Lockout Feature The.SC3801.has.a.button.lockout.feature.so.the.mode.cannot.be.changed.and.the.temperature. adjustment.is.limited..Select.the.appropriate.lockout.from.Configuration.Mode.Settings,.Step.16,.Page.22. of.this.guide. To.activate.the.LOC.feature: 1.. Press.the. .button.and.hold.it.in. 2.. Also.press. .button.and.keep.both.depressed.for.10.seconds. 3.. LOC.will.display.and.the.Lockout.Function.will.be.enabled. To.deactivate.the.LOC.feature,.repeat.steps.1.&.2.above.(in.this.section).

  • Page 32: Factory.preprogramming

    Factory Preprogramming The.SC3801.comes.preprogrammed.with.the.following.schedule: MORN :00 AM :00 AM :00 PM NITE 0:00 PM MONDAY thru HEAT HEAT HEAT HEAT 70°F 62°F 70°F 62°F SUNDAY COOL COOL COOL COOL 78°F 85°F 78°F 82°F FAN* FAN* FAN* FAN* ON/OFF ON/OFF ON/OFF ON/OFF * = Programmable fan option Personal Program Schedule Use.the.following.personal.program.schedule.to.record.your.settings:...
  • Page 33 Personal Program Schedule (continued) MORN NITE TUESDAY HEAT HEAT HEAT HEAT COOL COOL COOL COOL FAN* ON/OFF FAN* ON/OFF FAN* ON/OFF FAN* ON/OFF MORN NITE WEDNESDAY HEAT HEAT HEAT HEAT COOL COOL COOL COOL FAN* ON/OFF FAN* ON/OFF FAN* ON/OFF FAN* ON/OFF MORN...
  • Page 34 Personal Program Schedule (continued) MORN NITE FRIDAY HEAT HEAT HEAT HEAT COOL COOL COOL COOL FAN* ON/OFF FAN* ON/OFF FAN* ON/OFF FAN* ON/OFF MORN NITE SATURDAY HEAT HEAT HEAT HEAT COOL COOL COOL COOL FAN* ON/OFF FAN* ON/OFF FAN* ON/OFF FAN* ON/OFF MORN...

  • Page 35: Troubleshooting

    Troubleshooting Symptom Remedy No.display Check.for.24.VAC.at.thermostat;.display.is.blank.when.24.VAC.is.not.present System.fan.does.not.come.on.properly Verify.wiring.is.correct,.check.electric.heat.setup.in.configuration.(see. “Configuration.Mode,”.Step.3,.Page.19) Program.schedule.activates.at.the. Check.time.(AM/PM).set.on.thermostat.(see.“Setting.the.Time,”.Page.26) wrong.time Thermostat.turns.on.and.off.too. Adjust.temperature.differential.(see.“Differential,”.Steps.5.and.6,.Page.20) frequently Thermostat.does.not.follow.program Verify.it.is.operating.in.Program.mode.(PROG.displays);.check.time.(AM/PM) Fan.runs.continuously Check.fan.On/Auto.switch;.check.programmable.fan.setting.in.program;. check.fan.settings.in.configuration.(see.“Configuration.Mode,”.Page.19) Room.temperature.is.not.correct Verify.wall.hole.is.plugged.with.putty.or.insulation;.check.wiring.and.location. for.remote.sensor.if.used LOC.displays.when.any.button.is. Thermostat.has.the.button.lockout.function.activated.(see.“Lockout. pressed.or.thermostat.buttons.are. Feature,”.Page.29) inoperative EH.shows.on.display Thermostat.is.in.Emergency.Heat.Mode.(see.“Operating.Modes,”.Page.25) Very.limited.setpoint.adjustment Thermostat.has.the.button.lockout.function.activated.(see.“Lockout. Feature,”.Page.29) Check.configuration.mode.settings.17.and.18,.Page.22 Problem.not.listed.above Press.Reset.button.once* * Reset Button Function. Time,.day.and.mode.changed.to.last.saved.settings.(saved.after.power.loss.or.when.exiting. program.setup),.configuration.and.program.settings.are.unchanged.
  • Page 36 ONE-YEAR LIMITED WARRANTY The.Seller.warrants.its.products.against.defects.in.material.or.workmanship.for.a.period.of.one. (1).year.from.the.date.of.manufacture..The.liability.of.the.Seller.is.limited,.at.its.option,.to.repair,. replace.or.issue.a.non-case.credit.for.the.purchase.prices.of.the.goods.which.are.provided.to. be.defective..The.warranty.and.remedies.set.forth.herein.do.not.apply.to.any.goods.or.parts. thereof.which.have.been.subjected.to.misuse.including.any.use.or.application.in.violation.of.the. Seller’s.instructions,.neglect,.tampering,.improper.storage,.incorrect.installation.or.servicing. not.performed.by.the.Seller..In.order.to.permit.the.Seller.to.properly.administer.the.warranty,. the.Buyer.shall:.1).Notify.the.Seller.promptly.of.any.claim,.submitting.date.code.information.or. any.other.pertinent.data.as.requested.by.the.Seller..2).Permit.the.Seller.to.inspect.and.test.the. product.claimed.to.be.defective..Items.claimed.to.be.defective.and.are.determined.by.Seller. to.be.non-defective.are.subject.to.a.$30.00.per.hour.inspection.fee..This.warranty.constitutes. the.Seller’s.sole.liability.hereunder.and.is.in.lieu.of.any.other.warranty.expressed,.implied.or. statutory..Unless.otherwise.stated.in.writing,.Seller.makes.no.warranty.that.the.goods.depicted. or.described.herein.are.fit.for.any.particular.purpose. Patent No. ,  Daedalus Drive, Cicero, NY 0 (Toll Free) 800-365-5525 (Phone) 315-233-5266 (Fax) 315-233-5276 www.icmcontrols.com LIA216...

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