TEMPERATURE CONTROLLER IR33W7HR20

Product Description

The IR33W7HR20 is a CAREL IR33 series digital temperature controller used in refrigeration, HVAC, and industrial temperature control systems. It is a universal PID controller designed for precise temperature regulation with multiple inputs and outputs.

Key Features

• Universal PID temperature controller (CAREL IR33 series)
• Supports refrigeration, heating, and HVAC control
• 2 independent control loops (depending on configuration)
• Automatic tuning for stable temperature control
• Compatible with NTC, PTC, and PT1000 temperature probes
• Multi-output relay control for compressor, defrost, and fan
• RS-485 communication support (optional module)
• Front panel digital display with keypad programming
• IP65 front protection for panel installation
• Built-in buzzer and alarm functions (model dependent)

Specifications

• Product Type: Digital PID Temperature Controller
• Model: IR33W7HR20
• Brand: CAREL
• Supply Voltage: 115 – 230 V AC
• Display: Single-line LED display
• Inputs: 2 temperature inputs (NTC / PTC / PT1000 supported)
• Outputs: 2 to 4 relay outputs (configuration dependent)
• Control Type: ON/OFF and PID control
• Operating Temperature: -10°C to +60°C
• Temperature Range: approx. -50°C to +150°C (probe dependent)
• Mounting: Panel mount (76.2 × 34.2 mm cut-out)
• Protection: IP65 front panel
• Communication: Optional RS-485 interface