Description
The Johnson Controls Sabroe Unisab III series, including the 4214-001 Display Module and 4209-001 Controller Unit, represents the industry standard for advanced compressor control and monitoring in refrigeration and HVAC systems. Designed specifically for Sabroe screw and reciprocating compressors, this unit provides high-resolution data visualization, intuitive user interfaces, and sophisticated algorithmic control to ensure optimal thermal efficiency. The system is engineered for high-availability industrial environments, offering seamless integration with SCADA networks and shipboard automation systems.
Key Technical Specifications
| Parameter | Value/Description |
| Manufacturer | Johnson Controls / Sabroe |
| Series | Unisab III |
| Primary Function | Compressor Control & Human-Machine Interface (HMI) |
| Display Type | High-contrast backlit LCD |
| Communication Protocols | Modbus RTU, Ethernet, Profibus (Optional) |
| Input Voltage | 24V DC (Standard industrial supply) |
| Operating Temperature | 0°C to +55°C |
| Protection Rating | IP54 (Front Panel) |
| Mounting | Flush panel/console mount |
| Processor Type | High-speed dedicated industrial CPU |
Recommended Related Models
These components are often serviced or upgraded in conjunction with other parts within the Sabroe Unisab III and refrigeration control ecosystem:
- 4214-002: Unisab III Display Upgrade/Alternative Version
- 4209-002: Unisab III Main Processor Board
- 4209-003: Expansion Input/Output (I/O) Module
- 4209-004: Analog Output Expansion Module
- 4209-005: Digital Input/Output Expansion Card
- 4215-001: Unisab III Communication Gateway
- 4215-002: Ethernet Interface Board
- 4216-001: Remote Control Panel Interface
- 4217-001: Power Supply Unit (PSU) for Unisab III
- 4218-001: System Memory & Storage Backup Module
Note: The Unisab III system is highly configurable. When replacing or procuring these units, ensure that the firmware version and hardware revision (indicated on the component labels) are compatible with your existing compressor control software.

