IR33V7LR20 | Carel IR33 Panel Mount PID Temperature Controller, 76.2 x 34.2mm, 1 Output Relay, 12 → 24 V ac Supply Voltage | RS
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IR33V9HR20 Carel | Carel IR33 Panel Mount PID Temperature Controller, 76.2 x 34.2mm, 1 Output Relay, 115 → 230 V ac Supply Voltage | 783-4715 | RS Components
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HOW TO FIX RE AND EO ALARM OF CAREL IR33 DIGITAL THERMOSTAT OF COMMERCIAL REFRIGERATORS (ENG/TAG) - YouTube
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