Micrometl ecd-srt12cb-dces Economizer Multi-speed Controller

Product Description

The MICROMETL ecd-srt12cb-dces is an ultra-low-leak economizer assembly with a Siemens POL224.00 multiple-speed electromechanical controller. Designed for vertical airflow orientation, this unit integrates an enthalpy sensor and a Siemens actuator to manage outside air introduction based on ambient conditions. A painted rain hood with an aluminum filter protects the intake, and barometric relief is built in. All necessary panels and hardware ship with the assembly, reducing field fabrication time. HVAC technicians installing rooftop or commercial air-handling systems will find this a complete, ready-to-install economizer solution at 45 pounds and measuring 32 inches long, 16 inches wide, and 17 inches tall.

This economizer is suited for commercial HVAC applications where vertical airflow orientation is required. The integrated Siemens POL224.00 controller supports multiple-speed operation, making it appropriate for variable-speed air-handling units that require staged or modulating economizer control. The enthalpy sensor enables differential or single-enthalpy control strategies to determine when outside air is suitable for free cooling. Barometric relief allows excess building pressure to vent passively without powered exhaust. This assembly is typically installed by licensed commercial HVAC technicians on rooftop units or dedicated outdoor air systems.

Key Features

• Ultra-low-leak economizer design minimizes conditioned air loss when damper is closed
• Siemens POL224.00 multiple-speed electromechanical controller included
• Integrated enthalpy sensor for outside-air suitability control
• Siemens actuator for precise damper positioning
• Painted rain hood with aluminum filter protects intake from weather and debris
• Barometric relief built in for passive building pressure management
• All panels and hardware included for complete installation

Compatibility

Designed as an OEM-style economizer assembly for commercial HVAC systems requiring vertical airflow orientation and multiple-speed electromechanical control.

Installation Notes

Installation should be performed by a licensed commercial HVAC technician in accordance with local mechanical codes and ASHRAE guidelines. Disconnect and lock out all electrical power and shut down the air-handling unit before beginning installation. Verify that the mounting curb or unit opening matches the assembly dimensions before securing the unit. Consult the Siemens POL224.00 controller documentation and the enthalpy sensor wiring diagram for proper field wiring connections.

Technical Specifications

• Air Flow Direction: Vertical
• Length: 32 inches
• Width: 16 inches
• Height: 17 inches
• Weight: 45 pounds
• Country of Origin: USA
• Prop 65: Yes

Standard Information

• Brand: MICROMETL
• Manufacturer Part Number: ecd-srt12cb-dces