Valent DOAS Microprocessor Controller

Introduction to the Controller

The Valent DOAS Microprocessor Controller offers advanced control for dedicated outdoor air systems. It provides comprehensive management of air handler functions, including temperature, humidity, and ventilation, ensuring optimal indoor air quality and energy efficiency. The controller features an intuitive interface with a graphical display and keypad for easy monitoring and adjustment of unit parameters.

Key features include pre-programmed operating sequences, Building Management System (BMS) communication capabilities, built-in occupancy scheduling, and robust alarm management. The system supports various protocols for seamless integration into building automation systems.

Key Features and Operations

• Program Features: Easy monitoring and adjustment of unit parameters via a graphical display and keypad.
• Pre-Programmed Operating Sequences: Multiple control sequences for tempered air, with adjustable parameters for easy setup and commissioning.
• BMS Communication: Enables remote setpoint adjustment, status viewing, and alarm monitoring via protocols like BACnet® and Modbus.
• Built-In Occupancy Schedule: Programmable time clock for daily occupancy schedules, including morning warm-up and cool-down capabilities.
• Alarm Management: Monitors unit status for alarms, recording details and communicating them via BMS if equipped.
• Occupancy Modes: Supports digital input, occupancy schedule, or BMS for determining occupancy, with options for unit shutdown or maintaining setpoints in unoccupied modes.
• Remote Unit Access: Provides access via WebUI or a remote panel-mounted LCD display for monitoring and adjustment.

Safety Information

Users are advised to read and save these instructions for future reference. Failure to comply with safety information may result in product warranty voidance, personal injury, or property damage. Specific warnings are provided for A2L appliances, electrical shock hazards, and mechanical high static protection.

Technical Support

For technical assistance, contact Valent support at 1-800-789-8550 or support@doas.com.