Macurco RD-VRF-R404A-PPM-M VRF Refrigerant Detector - R404A PPM, 24V and 120V
SKU
RD-VRF-R404A-PPM-M
Model No
RD-VRF-R404A-PPM-M
$555.00
Product Highlights
- Easy installation to double gang box or 4x4 electrical box
- Aesthetically pleasing – flush mount face plate
- Stable and accurate NDIR sensor
- Same model provides either 24V or 120V options
- Internal display for programming/testing

Speak to an expert
The Macurco RD-VRF-R404A-PPM-M is a high-performance VRF refrigerant detector specifically designed for continuous monitoring of refrigerant levels in Variable Refrigerant Flow systems. Featuring dual alarm levels and a stable NDIR sensor, it ensures both safety and reliability by preventing hazardous environments caused by refrigerant leaks. With options for 24V or 120V operation and easy installation, this detector is a must-have for maintaining a safe HVAC environment.
Macurco RD-VRF-R404A-PPM-M Key Features
- Continuous Monitoring: The detector provides real-time refrigerant monitoring, ensuring early detection of leaks to prevent dangerous situations.
- Dual Alarm Levels: Two alarm settings offer advanced warning, allowing for timely interventions in case of low refrigerant detection.
- Easy Installation: Compatible with double gang boxes and 4x4 electrical boxes, providing flexibility and convenience during setup.
- Stable NDIR Sensor: Ensures accurate readings and dependability over time, enhancing the detector's overall performance.
- Voltage Options: Supports both 24V and 120V, catering to various installation requirements.
- Internal Display: Facilitates easy programming and testing, ensuring the detector is functioning correctly.
- Minimal Maintenance: Requires minimal upkeep with recommended yearly calibration, saving time and resources.
- SPDT Relays: Features 2 SPDT (Form C) relays for versatile operational capabilities.
- Digital Output: Supports Modbus (standard) and has an optional BACnet interface, allowing integration with existing building management systems.
- Multicolor LED Indicator: Clear visual status indicators help users quickly ascertain the operational state of the detector.
- Calibration Port: Built-in calibration port allows for easy access, simplifying maintenance tasks.
- Compatibility: Works seamlessly with Macurco digital control panels, enhancing system integration.
Macurco RD-VRF-R404A-PPM-M Detailed Specifications
| Feature | Details |
|---|---|
| Product Type | VRF Refrigerant Detector |
| Refrigerant Type | R404A PPM |
| Power Supply | 24V and 120V options |
| Sensor Type | NDIR Sensor |
| Alarm Levels | 2 Alarm Levels |
| Relay Type | 2 SPDT (Form C) Relays |
| Digital Communication | Modbus (STD), BACnet (optional) |
| Installation | Double gang box or 4x4 electrical box |
| Calibration | Yearly recommended |
| Multicolor LED | Yes |
| Internal Display | Yes |
| Calibration Port | Built-in connection |
| Compatibility | Macurco digital control panels |
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