Key facts
- Brand
- Carel
- Model
- IR33
- Industry
- Industrial
- Documents
- 2
- Languages
- TR · ZH
- Last added
- 2026-10-01
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CAREL ir33 Platform User Manual
The CAREL ir33 platform is a compact controller for independent refrigeration units, featuring an LED display, keypad, optional remote control and RS485 communication. The manual covers safety warnings, installation steps, wiring, device programming and detailed parameter settings.
It also describes functional features such as fan management, defrost control, HACCP monitoring, IP65 front‑panel protection and power‑supply options, plus troubleshooting guidance for alarms and signals. This manual is written in Chinese.
Carel IR33 specifications
| Sensor type | NTC 10K 1% beta 3435 |
|---|---|
| Cable type | Lastik termoplastik |
| Operating temperature range | -50 °C to +110 °C |
Source: Carel IR33 Digital Controller Cabin and Bench Setting Training
All Carel IR33 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How can the "Ser" alarm be reset?
Press the PRG and UP buttons together; this resets the "Ser" alarm and the capacitor temperature delay.
From: Carel IR33 Digital Controller Cabin and Bench Setting Training
How do you access the programming menu on the IR33 controller?
Hold the SET and PRG buttons for more than 5 seconds; the system will then request a password.
From: Carel IR33 Digital Controller Cabin and Bench Setting Training
How can I reset a manual alarm?
Press PRG+UP/AUX for more than 5 seconds to reset any manual alarm.
What is the IP protection rating of the controller?
The controller front panel is rated IP65.