📘 ICM Controls manuals • Free online PDFs

ICM Controls Manuals & User Guides

ICM Controls is a leading US-based manufacturer of electronic controls for the HVACR industry, including surge protectors, voltage monitors, and head pressure controls.

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/support/
Warranty & registration: Warranty info · Register a product
Support phone: 800-365-5525
Contact form: Contact manufacturer support

ICM Controls manuals

Latest manuals from manuals+ curated for this brand.

ICM518 Surge Protective Device Installation Guide

February 26, 2024

ICM518 Surge Protective Device IMPORTANT SAFETY INFORMATION ELECTRICAL SHOCK HAZARD! – Before installing this unit, turn off power at the main service panel by removing the fuse or switching the…

ICM530 Surge Protective Device Installation Guide

October 12, 2023

ICM530 Surge Protective Device Product Information Product Name: ICM530 Description: Surge Protective Device for 3-Phase Delta 240 VAC or Wye 120/208 VAC Installation, Operation & Application Guide: Included Important Safety…

ICM532 Surge Protective Device Installation Guide

October 12, 2023

ICM532 Surge Protective Device Product Information Product Name: ICM532 Surge Protective Device Application: Surge protection for 3-Phase Delta 600 VAC or Wye 347/600 VAC Installation Guide: Click here Maintenance: Regular…

ICM870-9A Soft Start Motor Controller User Guide

September 7, 2023

ICM870-9A/16A Soft Starters ICM870-9A Soft Start Motor Controller INSTALLATION, OPERATION & APPLICATION GUIDE For more information on our complete range of American-made products – plus wiring diagrams, troubleshooting tips and…

ICM530 Series 3-Phase Surge Protective Devices User Guide

September 11, 2022

ICM530 SERIES 3-Phase Surge protective devices APPLICATIONS: APPLIANCE/ELECTRICAL / HVAC/R / MARINE / POOL & SPA / RV FEATURES √ NEMA Type 4X watertight plastic enclosure for outdoor and indoor…

ICM SE-4-ME Professional Audio Mixer with BT and USB Recorder User Manual

April 13, 2022

ICM SE-4-ME Professional Audio Mixer with BT and USB Recorder We greatly appreciate your purchase of this small mixer with BT / MP3 player/recorder. It is simple and easy to…

ICM533 Surge Protective Device Installation & Operation Guide

installation guide

Installation and operation guide for the ICM533 3-Phase Delta High-Leg 120/240 VAC Surge Protective Device by ICM Controls.

ICM255 Post Purge Fan Delay Installation and Specifications

installation guide

Technical specifications and installation guide for the ICM255 Post Purge Fan Delay by ICM Controls. Learn about operation modes, relay ratings, and wiring for this HVAC control component.

ICM859 Solid State Relay, Overload and Start Capacitor Installation Guide

installation guide

Installation instructions and technical specifications for the ICM859 Solid State Relay, Overload, and Start Capacitor, designed for single-phase compressor systems.

ICM857 Solid State Relay, Overload and Start Capacitor Installation Instructions

installation guide

Installation instructions and technical specifications for the ICM857 Solid State Relay, Overload, and Start Capacitor by ICM Controls. Designed for single-phase compressors.

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 Controls manuals from online retailers

ICM Controls ICM271C Control Board User Manual

ICM271C • December 17, 2025

Comprehensive user manual for the ICM Controls ICM271C Control Board, providing installation, operation, maintenance, and troubleshooting guidelines for this genuine replacement part.

ICM Controls ICM280 Furnace Control Board Instruction Manual

ICM280 • December 10, 2025

Comprehensive instruction manual for the ICM Controls ICM280 Furnace Control Board, covering installation, operation, maintenance, troubleshooting, and specifications.

ICM Controls Upgraded Carrier Furnace Control Circuit Board HK42FZ016 Instruction Manual

HK42FZ016 • December 5, 2025

Instruction manual for the ICM Controls Upgraded Carrier Furnace Control Circuit Board HK42FZ016, providing installation, operation, maintenance, and troubleshooting guidance for this replacement furnace control board.

ICM Controls 304C Heat Pump Defrost Timer Instruction Manual

Icm304c • November 24, 2025

Comprehensive instruction manual for the ICM Controls 304C Heat Pump Defrost Timer, covering features, installation, operation, maintenance, troubleshooting, and specifications.

ICM Controls ICM2807 Carrier Replacement Furnace Control Board User Manual

ICM2807 • November 10, 2025

Instruction manual for the ICM Controls ICM2807 furnace control board, a direct replacement for Carrier HK42FZ017 models. This guide covers setup, installation, operation, maintenance, and troubleshooting.

ICM Controls 282A Furnace Control Board Instruction Manual

282A • November 8, 2025

This manual provides detailed instructions for the installation, operation, and maintenance of the ICM Controls 282A Furnace Control Board, a replacement for the ICM282.

ICM Controls ICM203 Delay on Break Timer Instruction Manual

ICM203 • October 26, 2025

Instruction manual for the ICM Controls ICM203 Universal Voltage Anti-Short Cycle Compressor Protection Relay, detailing installation, operation, and specifications.

ICM Controls ICM2812-KIT Universal Furnace Control Board Kit Instruction Manual

ICM2812-KIT • October 13, 2025

This manual provides detailed instructions for the installation, operation, and maintenance of the ICM Controls ICM2812-KIT Universal Furnace Control Board Kit. Designed as a replacement for White-Rodgers 50M56U-843…

ICM Controls ICM325A Single Phase Head Pressure Control User Manual

ICM325A • October 2, 2025

Comprehensive instruction manual for the ICM Controls ICM325A Single Phase Head Pressure Control, covering setup, operation, features, and specifications.

ICM253 Fan Blower Control Instruction Manual

ICM253 • September 9, 2025

Comprehensive instruction manual for the ICM Controls ICM253 Fan Blower Control, detailing setup, operation, maintenance, troubleshooting, and specifications for this adjustable post-purge fan delay timer.

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…