C550SCN-1C Johnson Controls Control Module

Overview

The Johnson Controls C550SCN-1C is a System 550 expansion stage module designed to expand and enhance the staging capabilities of System 550 control applications. It provides additional outputs to enable precise, sequential staging of HVACR equipment, making it an ideal solution for multi-stage heating, cooling, and mechanical systems where reliable output control is essential. As a modular component, it integrates seamlessly with System 550 control modules to create scalable, customized control solutions.

Features

• Features 2 SPDT relay outputs for staged equipment control
• Part of the flexible, modular System 550 platform for easy system expansion
• Supports sequential staging of heating, cooling, and commercial HVACR equipment
• Compact form factor designed for efficient panel integration
• Simplifies multi-stage system configuration and wiring requirements

Specifications

• Type: Expansion Relay Module / Stage Module
• Relay Outputs: Two SPDT relays
• Compatibility: Integrates with System 550 control modules (such as C550ACN, C550AQN, C550CCN) and C550YNN power modules
• Ambient Operating Temperature: -40°F to 150°F (-40°C to 66°C)
• Ambient Operating Humidity: Up to 95% RH non-condensing
• Maximum System Outputs: Allows system expansion up to a maximum of 10 outputs total per assembly

Applications

• Multi-stage heating and cooling systems
• Boiler and chiller staging control (including outdoor reset configurations)
• Commercial and light industrial HVACR equipment sequencing
• Building automation, energy management, and mechanical staging applications