Carel IJWPSA4R02S0518 iJW 4 Relay Refrigeration Controller
The Carel IJWPSA4R02S0518 is a smart iJW refrigeration temperature controller designed for commercial refrigeration cabinets, display cases, bottle coolers, plug-ins, chest freezers and cold room applications. Built for both field replacements and new installations, the iJW range uses native Bluetooth and NFC connectivity to simplify controller setup, testing and maintenance through the Carel APPLICA app.
This model is a small panel-mount 4 relay controller with 115/230V AC power supply, real time clock, Modbus/BMS communication and removable terminals. It is suited to refrigeration applications requiring control of compressor, defrost, fan and auxiliary functions from one compact controller.
Key Features
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Carel iJW refrigeration controller
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4 relay outputs for refrigeration control functions
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Suitable for commercial refrigeration, display cases and cold room applications
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Designed for new installations and service replacements
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Native Bluetooth and NFC connectivity
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Compatible with Carel APPLICA app for installer setup and servicing
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Built-in wizard for simplified configuration
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Supports Carel CONTROLLA app for end-user monitoring and HACCP functions
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115/230V AC supply voltage
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Real time clock included
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BMS serial connection with Modbus protocol
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Panel-mount design with removable terminals
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Suitable for NTC, PTC and PT1000 probe systems, depending on configuration
Specifications
| Item | Specification |
|---|
| Brand | Carel |
| Model / Part Number | IJWPSA4R02S0518 |
| Range | Carel iJW |
| Product Type | Refrigeration Temperature Controller |
| Format | Small panel-mount controller |
| Relay Outputs | 4 |
| Inputs | 2 digital / 3 analogue |
| Power Supply | 115/230V AC |
| Real Time Clock | Yes |
| Communication | BMS / Modbus |
| Connectivity | Bluetooth / NFC |
| Compatible Apps | Carel APPLICA / Carel CONTROLLA |
| Terminals | Removable |
| Mounting Type | Panel mount |
| Application | Commercial refrigeration, display cases, plug-ins, chest freezers and cold rooms |
| Category | Refrigeration → Refrigeration Components → Electrical & Controls |
Applications
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Commercial refrigeration cabinets
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Cold rooms and freezer rooms
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Display cases and showcases
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Bottle coolers
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Plug-in refrigeration units
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Chest freezers
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Compressor, defrost, fan and auxiliary control
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Retrofit controller replacement
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New refrigeration control installations
The Carel IJWPSA4R02S0518 gives refrigeration technicians a modern 4 relay controller with smart configuration, app support and flexible refrigeration control capability. It is a strong replacement or upgrade option for commercial refrigeration systems needing reliable temperature, defrost, fan and auxiliary control.
