ICM Controls SC 1800 Installation, Operation & Application Manual

Manual is about: Non-Programmable Electronic Thermostat

Summary of SC 1800

  • Page 1

    Manual changeover non-programmable hardwired sc 1800 non-programmable electronic thermostat 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 •control...

  • Page 2: Table of Contents

    Table of contents parts diagram ......................................................................................................................1 specifications .......................................................................................................................2 important sa...

  • Page 3: Parts Diagram

    Room temperature setpoint room temperature low battery signal temperature differential setting set room lo bat diff celsius/ fahrenheit jumper heat switch battery compartment fan switch electric/gas switch parts diagram.

  • Page 4: Important Safety Information

    Package contents/tools required packageincludes: simplecomfort ® 1800 thermostat on base, thermostat cover, wiring labels, screws and wall anchors, installation, operation and application guide. Toolsrequiredforinstallation: drill with 3/16” bit, hammer, screwdriver. Electricalrating: • millivolt to...

  • Page 5: General Description

    To remove existing thermostat the simplecomfort ® 1800 thermostat is a digital, mercury-free, non-programmable, electronic thermostat. • compatible with single-stage heating systems • compatible as a master thermostat in zoned system applications • freezeprotectionfeature: protects pipes from freezi...

  • Page 6: Replacing Wiring Labels

    Replace the old labels with the enclosed new labels. Old new type f, g g fan control relay h, w, 4 w heating control m, 4, rh, rs, r r transformer, hot side replacing wiring labels electricalshockhazard –turnoffpoweratthemainservicepanelbyremovingthefuse orswitchingtheappropriatecircuitbreakertotheo...

  • Page 7

    To install thermostat (continued) 10. Use supplied screws to mount thermostat base to wall. 11. Insert stripped, labeled wires in matching wire terminals. See “wiring diagrams” section of this manual (pages 6-7). Caution!: be sure exposed portion of wires does not touch other wires. 12. Tighten scre...

  • Page 8: Heating Only

    Heating only 3-wire, single transformer 2-wire, single transformer or millivolt wiring diagrams.

  • Page 9

    Zone valve/damper motor system 3-wire, zone valve/damper motor system 2-wire, zone valve/damper motor system note: differential temperature may need to be increased for zone/damper systems (see page 8)..

  • Page 10: Starting The Thermostat

    The default temperature differential is 1°. When your room temperature varies by 1°f, the thermostat turns on your system. If you notice your system turning on and off too frequently, increase the temperature differential. 1. Reset the thermostat by removing batteries for 10 seconds and then reinsta...

  • Page 11: A Quick Test

    Do not short jumper across terminals on the gas valve or at the system control to test installation. Action set the off/heat switch to heat; press the button until the set temperature is 3°f above the room temperature. Result the heating system and fan should turn on; there may be a time delay depen...

  • Page 12: One-Year Limited Warranty

    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 w...