Refrigerant Detection System

The Allied Air 27A05 RSD Field Kit provides precise refrigerant detection and diagnostic capability for advanced HVAC system monitoring and service.

Engineered by Allied Air Enterprises, the 27A05 RSD (Refrigeration Detection System) Field Kit is designed to enable accurate refrigerant system diagnostics, performance monitoring, and leak detection in compatible HVAC units. This field kit assists technicians in identifying abnormal refrigerant conditions such as undercharge, overcharge, or system blockage, allowing for efficient servicing and optimal system operation. It is a reliable accessory for maintaining system safety, performance, and compliance.

• Model number 27A05 identifies the Allied Air RSD (Refrigeration Detection System) Field Kit for field installation and service diagnostics.
• Designed for Allied Air and Lennox HVAC systems equipped with compatible control boards and refrigeration monitoring features.
• Provides real-time monitoring of refrigerant circuit conditions to aid in performance tuning and system protection.

Technical Data & Performance

• Product Type: Refrigeration Detection System (RSD) Field Kit.
• Brand: Allied Air Enterprises.
• Function: Diagnostic tool for monitoring and detecting refrigerant system faults and irregular conditions.
• Application: Used during system installation, commissioning, and maintenance to validate refrigerant performance.
• Compatibility: For use with select Allied Air HVAC units designed with RSD control compatibility.
• Components: Includes RSD sensor module, wiring harness, and mounting hardware for field installation.
• Installation Type: Field-installable kit designed for quick connection and integration with system control circuits.
• Monitoring Capabilities:
  • Detects low refrigerant charge conditions.
  • Identifies high-pressure or overcharge states.
  • Monitors coil temperature and refrigerant flow for system diagnostics.
• Sensor Type: Thermal and pressure-based detection integrated through system controls.
• Operating Environment: Suitable for residential and light commercial HVAC systems.
• Electrical Requirements: Low-voltage (24V AC) system interface.
• Temperature Range: Designed for standard refrigeration operating conditions from -20°F to 150°F (-29°C to 65°C).
• Diagnostics: Provides fault codes and LED indicators through system control board for technician reference.
• Construction: Compact and durable electronic housing for reliable field use.
• Communication: Integrates with system control logic or communicating thermostat where applicable.
• Safety: Supports system protection shut-off when unsafe refrigerant levels or pressures are detected.
• Installation Accessories: Includes mounting bracket, connectors, and instructions.
• Maintenance: Low-maintenance design; verify connection integrity during scheduled service.
• Compliance: Meets Allied Air and industry standards for safety and HVAC system integration.
• Packaging: Supplied as a complete diagnostic kit for field installation and calibration.
• Warranty: Covered by Allied Air’s Limited Manufacturer’s Warranty ensuring product reliability and performance.