ICM Controls SC 5812 - User Manual

3 Heat/2 Cool
Auto Changeover
Hardwire
SC 5812
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
• 7-Day, 5-2-Day or 5-1-1-Day Programmable
• Configurable
• 3-Stage Heat/2-Stage Cool Systems
• 3-Stage Heat Pump Systems
• Large Display With Backlight
• Selectable Fahrenheit or Celsius
• Compatible with Gas, Oil, or Electric
• Dual Fuel Compatible
• SimpleSet™ Field Programming
• Status Indicator Light
• Relay Outputs
(minimum voltage drop in thermostat)
• Remote Sensor Compatible
• Ideally Suited for:
– Residential (New Construction/Replacement)
– Light Commercial

ICM Controls SC 5812 Specifications

General

Voltage	24 VAC
Display	Digital
Mounting	Wall-mounted
Load Type	Resistive
Weight	0.3 lbs

Summary

Parts Diagram

Icon Descriptions

Specifications

Important Safety Information

Package Contents and Tools Required

Removing the Existing Thermostat

Installing the Thermostat

Wiring Diagrams

Heat;Cool Systems Wiring

Wiring diagram for basic heat and cool HVAC systems.

Single Compressor Heat Pump with Electric Backup Wiring

Wiring diagram for a single compressor heat pump with electric backup.

Dual Compressor Heat Pump with Electric Backup Wiring

Wiring diagram for a dual compressor heat pump with electric backup.

Single Compressor Heat Pump with Gas;Oil Backup Wiring

Wiring diagram for a single compressor heat pump with gas/oil backup.

Dual Compressor Heat Pump with Gas;Oil Backup Wiring

Wiring diagram for a dual compressor heat pump with gas/oil backup.

Remote Sensor Installation

Terminal Designator Descriptions

SC5812 Output Chart

Configuration Mode

Configuration Mode Settings

Remote Sensor as Outdoor Sensor

Mode of Operation

Operating Modes Details

Details on the different operating modes of the thermostat, including OFF, Heat, Cool, and Program.

Button Functions

Setting the Time and Day of the Week

Programming

Program Overview

Overview of the SC5812 programmable thermostat's four daily periods: MORN, DAY, EVE, NITE.

Setting the Program Schedule

Step-by-step guide to programming the thermostat's daily schedule with four periods.

Lockout Feature

Factory Preprogramming Schedule

Personal Program Schedule

SimpleSet Field Programming

Troubleshooting

One-Year Limited Warranty