W7212A1025 | Honeywell Economizer Control Module for Commercial HVAC Systems

Honeywell · PLCs & Industrial Controllers

Description  The Honeywell W7212A1025 is an economizer control module designed to manage outdoor and return air dampers for free cooling in commercial HVAC systems. It integrates demand control ventilation and compressor staging to optimize energy efficiency based on temperature, enthalpy, and CO₂ demand signals. This controller is intended for use with Honeywell Series 72 actuators in packaged and split HVAC equipment.     Technical Specifications  Condition New/Never Used Surplus Brand Honeywell Category HVAC Controls Part Number W7212A1025 Subcategory Economizer Controls Control Function Economizer and DCV control Compatible Actuators Honeywell Series 72 Sensor Compatibility Enthalpy, dry-bulb temperature, CO₂ DCV sensors Damper Control Type Proportional Compressor Control Integrated staging relay Status Indicators Free cooling, DCV mode, exhaust fan Mounting Actuator mount or duct mount Control Voltage 24 VAC Application Commercial HVAC systems Operating Temperature 0 to +55 °C Protection Type IP20 Weight Approx. 0.4 kg     Information About W7212A1025 The W7212A1025 is part of Honeywell’s W7212 economizer logic module series, engineered for advanced ventilation and economizer control strategies. It operates in conjunction with CO₂ demand control ventilation sensors and solid-state enthalpy or dry-bulb temperature sensors to determine optimal damper positioning. The module combines minimum and maximum damper position adjustment with compressor staging logic, enabling coordinated cooling operation. Designed for flexible installation, it can be mounted directly on compatible actuators or on ductwork, providing reliable control for commercial HVAC applications. Key Features: Economizer Logic Control: Proportions outdoor and return air dampers to enable free cooling operation. DCV Integration: Supports CO₂-based demand control ventilation for optimized indoor air quality. Sensor Compatibility: Operates with solid-state enthalpy or dry-bulb temperature sensors. Compressor Staging Relay: Coordinates economizer operation with mechanical cooling stages. Adjustable Damper Positions: Integrated potentiometers for minimum and DCV maximum damper settings. LED Status Indicators: Visual indication of free cooling availability, DCV mode, and exhaust fan status. Remote Setpoint Capability: Supports optional remote potentiometer for minimum damper position control. Flexible Mounting Options: Mounts on Series 72 actuators or directly on ductwork. Commercial HVAC Application: Designed for packaged rooftop units and split systems. The W7212A1025 delivers the reliability and precision required for energy-efficient economizer and ventilation control in commercial HVAC systems.

Brand: Honeywell · Category: PLCs & Industrial Controllers

Key features

• Economizer Logic Control: Proportions outdoor and return air dampers to enable free cooling operation.
• DCV Integration: Supports CO₂-based demand control ventilation for optimized indoor air quality.
• Sensor Compatibility: Operates with solid-state enthalpy or dry-bulb temperature sensors.
• Compressor Staging Relay: Coordinates economizer operation with mechanical cooling stages.
• Adjustable Damper Positions: Integrated potentiometers for minimum and DCV maximum damper settings.
• LED Status Indicators: Visual indication of free cooling availability, DCV mode, and exhaust fan status.
• Remote Setpoint Capability: Supports optional remote potentiometer for minimum damper position control.
• Flexible Mounting Options: Mounts on Series 72 actuators or directly on ductwork.
• Commercial HVAC Application: Designed for packaged rooftop units and split systems.

Specifications

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