📘 ICM Controls manuals • Free online PDFs

ICM Controls Manuals & User Guides

ICM Controls is a leading USA-based manufacturer of electronic controls for the HVAC/R industry, producing furnace boards, surge protectors, and motor soft starters.

Tip: include the full model number printed on your ICM Controls label for the best match.

ICM Controls Support

Official site: https://www.icmcontrols.com/
General support: https://www.icmcontrols.com/contact/
Warranty & registration: Warranty info · Register a product
Support phone: 1-800-365-5525
Support email: info@icmcontrols.com
Contact form: Contact manufacturer support

ICM Controls manuals

Selected manuals from manuals+ curated for this brand.

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ICM858 Solid State Relay, Overload and Start Capacitor Installation Instructions

installation guide

Installation instructions and technical specifications for the ICM858 Solid State Relay, Overload, and Start Capacitor. Designed for single-phase compressors in refrigeration systems.

ICM860 RapidStart Differential Voltage Sensing Specifications

technical specification

Technical specifications and wiring overview for the ICM860 RapidStart Differential Voltage Sensing device by ICM Controls.

ICM256 Fan Blower Post Purge Time Delay Installation and Operation Guide

manual

Technical specifications, wiring instructions, and troubleshooting guide for the ICM256 Fan Blower Post Purge Time Delay.

ICM2914 Gas Ignition Replacement Board Installation & Operation Guide

manual

Comprehensive installation, operation, and troubleshooting guide for the ICM2914 Gas Ignition Replacement Board. Includes wiring diagrams, fault codes, and safety instructions.

Modbus Troubleshooting Tips for ICM450A+

troubleshooting guide

Troubleshooting guide for Modbus communication issues with the ICM450A+ line voltage monitor, including serial settings, wiring, and address mapping.

ICM-UDefrost Wiring Cross Reference Table

wiring diagram

Comprehensive wiring cross reference table for ICM-UDefrost control boards, detailing terminal connections for various models including ICM300, ICM301, ICM302, and more.

ICM442 Three-Phase Motor Control Installation and Operation Guide

manual

Installation and operation guide for the ICM442 Three-Phase Motor Control. Includes specifications, wiring diagrams, and troubleshooting steps.

ICM Intermittent Ignition Series Oil Primary Control Installation Guide (ICM1501, ICM1502, ICM1503)

installation guide

Installation, wiring, and troubleshooting guide for ICM1501, ICM1502, and ICM1503 Intermittent Ignition Oil Primary Controls. Includes safety procedures and warranty information.

ICM-UA2L-24C-DUAL R32 & R454B Universal A2L Refrigerant Detection System Installation & Operation Guide

installation guide

Installation, operation, and application guide for the ICM-UA2L-24C-DUAL R32 & R454B Universal A2L Refrigerant Detection System. Includes wiring diagrams, troubleshooting, and specifications.

ICM271 Fan Control Center Installation and Operation Guide

manual

Comprehensive installation, operation, and troubleshooting guide for the ICM271 Fan Control Center, a direct replacement for Carrier/BDP gas furnace control systems.

ICM870-9A/16A Soft Starters Installation, Operation & Application Guide

manual

Installation, operation, and application guide for ICM Controls ICM870-9A and ICM870-16A soft starters. Includes wiring diagrams, safety information, and model selection charts for HVAC, marine, and RV applications.

Sentry 3N1 Single-Phase Voltage & Surge Protected Disconnect Installation Guide

installation guide

Comprehensive installation, operation, and troubleshooting manual for the ICM Controls Sentry 3N1 voltage and surge protection device, including specifications for the ICM492 and ICM517A components.

ICM Controls manuals from online retailers

ICM Controls SC3000L Simple Comfort 7/5-2/5-1-1-Day Programmable Thermostat with Backlit Display for Single-Stage H/C or Single-Stage hp, Manual Changeover,Multicolor

SC3000L • August 26, 2025

Simple Comfort 7/5-2/5-1-1-day programmable thermostat with backlit display for single-stage H/C or single-stage HP, manual changeover, battery powered.

ICM Controls SC4011 Simplecomfort Pro Non-Programmable Thermostat User Manual

SC4011 • August 22, 2025

This manual provides detailed instructions for the installation, operation, and maintenance of the ICM Controls SC4011 Simplecomfort Pro Non-Programmable Thermostat. This device is designed for single-stage heat/cool or…

ICM Controls ACC-WP03 Large, Universal Wallplate Instruction Manual

ACC-WP03 • August 18, 2025

Instruction manual for the ICM Controls ACC-WP03 Large, Universal Wallplate, providing setup, installation, and specification details.

ICM Controls HK42FZ013 Furnace Control Board User Manual

HK42FZ013 • August 10, 2025

Comprehensive user manual for the ICM Controls Upgraded Day & Night Furnace Control Circuit Board HK42FZ013, covering installation, operation, maintenance, troubleshooting, and specifications.

ICM Controls ICM288 Furnace Control User Manual

ICM288 • August 9, 2025

Furnace Control – low cost replacement for Rheem 62-24084-82 control boards.

ICM Controls ACC-WP04 Small Insulated Thermostat Wall Plate, Multicolor

9801266 • August 2, 2025

Small insulated thermostat wall plate.

ICM Controls ICM203F Delay On Break Timer User Manual

ICM203F • August 1, 2025

User manual for the ICM Controls ICM203F Delay On Break Timer, providing setup, operating, maintenance, and troubleshooting instructions for this adjustable timer.

ICM Controls ACS-8 8-Pin Octal Plug-in Base User Manual

ACS-8 • July 28, 2025

Comprehensive user manual for the ICM Controls ACS-8 8-Pin Octal Plug-in Base, detailing installation, operation, and specifications for phase monitors and timers.

ICM Controls ICM291 Furnace Control Replacement for Carrier LH33WP003/3A Control Boards, Multicolor User Manual

ICM291 • July 27, 2025

Furnace Control - replacement for Carrier LH33WP003/3A control boards.

ICM Controls ICM281 Furnace Control Board Instruction Manual

ICM281 • July 27, 2025

Comprehensive instruction manual for the ICM Controls ICM281 Furnace Control Replacement Board, including installation, operation, maintenance, and troubleshooting.

ICM 30A Disconnect with Built-in Surge Protection - Fused, UL Listed ICM495-30A-F User Manual

ICM495-30A-F • July 24, 2025

User manual for the ICM 30A Disconnect with Built-in Surge Protection, model ICM495-30A-F. Includes setup, operation, maintenance, troubleshooting, and specifications.

ICM Controls ICM402 Three-Phase Line Voltage Monitor User Manual

ICM402 • July 21, 2025

Three-phase line voltage monitor offering protection against phase loss/reversal and unbalance; 50/60 Hz, 190-600 VAC (115 or 208/240 control VAC).