{"product_id":"new-carel-ritc230e01-control-board","title":"CAREL RITC230E01 CONTROL BOARD","description":"\u003cdiv class=\"koeed-container\"\u003e\n  \u003c!-- SEO Introduction --\u003e\n  \u003ch2 style=\"color: #0056b3; border-left: 5px solid #16c8c8; padding-left: 15px;\"\u003eCAREL RITC230E01 Control Board | 230VAC HVAC\/R Replacement Part\u003c\/h2\u003e\n  \u003cp\u003eThe \u003cstrong\u003eCAREL RITC230E01\u003c\/strong\u003e is a commercial-grade electronic control board engineered for precision management of HVAC and refrigeration systems. Operating on a \u003cstrong\u003e230VAC power supply\u003c\/strong\u003e, this reliable PCB integrates robust relay outputs to directly control compressors, defrost heaters, and evaporator fans. Designed as a high-quality OEM replacement, the RITC230E01 ensures the swift restoration of temperature regulation, safeguarding perishables and maintaining climate control in critical industrial and commercial environments.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eKey Applications:\u003c\/strong\u003e Commercial refrigeration units, chillers, display cabinets, and specialized OEM heat pump systems utilizing CAREL logic control.\u003c\/p\u003e\n\n  \u003c!-- Technical Specifications --\u003e\n  \u003ch3 style=\"color: #0056b3; margin-top: 25px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n  \u003cdiv style=\"overflow-x: auto;\"\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 600px; border: 1px solid #eeeeee;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #16c8c8; color: #ffffff;\"\u003e\n          \u003cth style=\"padding: 12px; text-align: left; border: 1px solid #eeeeee;\"\u003eParameter\u003c\/th\u003e\n          \u003cth style=\"padding: 12px; text-align: left; border: 1px solid #eeeeee;\"\u003eSpecification\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eBrand \/ Manufacturer\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eCAREL\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003ePart Number\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eRITC230E01\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eComponent Type\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eMain Control Board \/ Relay Expansion PCB\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eNominal Power Supply\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e230V AC (Standard Commercial Line Voltage)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eSensor Compatibility\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eSupports Standard CAREL NTC Probes (10kΩ @ 25°C)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eConnections\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003ePluggable \/ Screw Terminal Blocks (varies by OEM harness)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eCondition\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e100% Genuine Replacement \/ New\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Koeed B2B Tool: CAREL NTC Diagnostic Calculator --\u003e\n  \u003cdiv id=\"koeed-tool-wrapper\" style=\"margin-top: 40px; padding: 25px; background: #f9f9f9; border: 2px solid #16c8c8; border-radius: 8px;\"\u003e\n    \u003ch3 style=\"color: #0056b3; margin-top: 0;\"\u003eKoeed Field Diagnostic: CAREL NTC Sensor Calculator\u003c\/h3\u003e\n    \u003cp style=\"font-size: 14px; color: #666;\"\u003eBefore replacing the RITC230E01 board due to a temperature reading error, verify the sensor. Input your multimeter's resistance reading below to calculate what temperature the standard CAREL 10k NTC probe (B=3435) is actually sensing.\u003c\/p\u003e\n    \n    \u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; margin-bottom: 20px;\"\u003e\n      \u003cdiv\u003e\n        \u003clabel style=\"display: block; font-size: 12px; font-weight: bold;\"\u003eMeasured Resistance (kΩ)\u003c\/label\u003e\n        \u003cinput type=\"number\" id=\"koeed-ntc-ohms\" value=\"10.0\" step=\"0.1\" style=\"width: 100%; padding: 8px; border: 1px solid #ccc; border-radius: 4px;\" placeholder=\"e.g. 10.0\"\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \n    \u003cbutton onclick=\"koeedCalculateNTC()\" style=\"background: #16c8c8; color: white; border: none; padding: 10px 20px; cursor: pointer; border-radius: 4px; font-weight: bold;\"\u003eConvert to Temperature\u003c\/button\u003e\n    \n    \u003cdiv id=\"koeed-result-box\" style=\"margin-top: 20px; padding: 15px; background: #ffffff; border-left: 5px solid #0056b3; display: none;\"\u003e\n      \u003cspan style=\"font-size: 14px; color: #333;\"\u003eCorrelating Temperature:\u003c\/span\u003e\u003cbr\u003e\n      \u003cstrong id=\"koeed-result-val\" style=\"font-size: 24px; color: #0056b3;\"\u003e25.0 °C \/ 77.0 °F\u003c\/strong\u003e\n      \u003cp style=\"font-size: 12px; color: #888; margin-top: 10px;\"\u003e\u003cem\u003eIf the calculated temperature matches reality but the board shows an error, the RITC230E01 input circuit may be faulty. If the calculated temperature is wildly incorrect, replace the NTC probe.\u003c\/em\u003e\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cnoscript\u003e\n      \u003cp\u003eYour browser does not support JavaScript. A standard CAREL NTC sensor reads 10 kΩ at 25°C (77°F). Higher resistance means colder temperatures (e.g., ~27kΩ at 0°C); lower resistance means warmer temperatures.\u003c\/p\u003e\n    \u003c\/noscript\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Application \u0026 Reliability --\u003e\n  \u003ch3 style=\"color: #0056b3; margin-top: 30px;\"\u003eIndustrial Reliability\u003c\/h3\u003e\n  \u003cul style=\"line-height: 1.8; color: #333;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRobust Relay Integration:\u003c\/strong\u003e Equipped with heavy-duty electromechanical relays capable of handling high inrush currents typical of refrigeration compressors and resistive defrost loads.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModular Architecture:\u003c\/strong\u003e Allows for quick field-swapping without the need to cut and splice wires, minimizing expensive system downtime.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMoisture \u0026amp; Dust Resistance:\u003c\/strong\u003e Conformal coating on critical PCB traces protects sensitive microelectronics from condensation and harsh commercial kitchen or cold-room environments.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- Troubleshooting FAQ --\u003e\n  \u003ch3 style=\"color: #0056b3; margin-top: 30px;\"\u003eMaintenance \u0026amp; Troubleshooting FAQ\u003c\/h3\u003e\n  \u003cdiv style=\"background-color: #fafafa; border: 1px solid #eeeeee; padding: 15px; border-radius: 4px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eQ1: The display connected to the board shows an \"E1\" or \"Probe Error\". Is the board dead?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cem\u003eA:\u003c\/em\u003e Not necessarily. This usually indicates an open or shorted NTC thermistor. Disconnect the sensor from the RITC230E01 board and measure its resistance with a multimeter. Use our diagnostic tool above. If the sensor is fine, the analog-to-digital converter on the board has failed, and the board requires replacement.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eQ2: The relays are clicking, but the compressor is not starting.\u003c\/strong\u003e\u003cbr\u003e\n    \u003cem\u003eA:\u003c\/em\u003e The control board typically acts as a dry contact switch. Verify that the incoming 230V line voltage is actually present at the common (COM) terminal of the relay block. If power is present but doesn't pass to the Normally Open (NO) terminal when the relay clicks, the internal contacts are burnt out.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript\u003e\nfunction koeedCalculateNTC() {\n  const rInput = parseFloat(document.getElementById('koeed-ntc-ohms').value);\n  const resBox = document.getElementById('koeed-result-box');\n  const resVal = document.getElementById('koeed-result-val');\n\n  if (isNaN(rInput) || rInput \u003c= 0) {\n    alert(\"Please enter a valid positive resistance value in kΩ.\");\n    return;\n  }\n\n  \/\/ Steinhart-Hart simplified equation for standard Carel 10k NTC\n  \/\/ R0 = 10kΩ, T0 = 298.15K (25°C), B = 3435\n  const R0 = 10.0;\n  const T0 = 298.15;\n  const B = 3435.0;\n  \n  const tempKelvin = 1.0 \/ ( (1.0 \/ T0) + (1.0 \/ B) * Math.log(rInput \/ R0) );\n  const tempCelsius = tempKelvin - 273.15;\n  const tempFahrenheit = (tempCelsius * 9\/5) + 32;\n  \n  resVal.innerHTML = tempCelsius.toFixed(1) + \" \u0026deg;C \/ \" + tempFahrenheit.toFixed(1) + \" \u0026deg;F\";\n  resBox.style.display = 'block';\n}\n\u003c\/script\u003e\n\n\u003c!-- Structured Data (JSON-LD) --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why does the CAREL display show an 'E1' or 'Probe Error' with the RITC230E01 board?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This typically indicates a disconnected or failed NTC thermistor. Measure the sensor's resistance manually. If the resistance matches ambient temperature but the error persists, the board's sensing circuit may be faulty and requires replacement.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What should I do if the relays on the CAREL control board click but the compressor won't start?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Verify the incoming 230V line voltage at the common relay terminal. If voltage is present at the common terminal but not exiting the Normally Open terminal when engaged, the relay's internal contacts are likely burnt out.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"WebApplication\",\n  \"name\": \"Koeed Field Diagnostic: CAREL NTC Sensor Calculator\",\n  \"description\": \"An interactive tool for HVAC technicians to convert multimeter resistance readings (kΩ) into temperature (°C\/°F) for diagnosing standard CAREL 10k NTC thermistors.\",\n  \"applicationCategory\": \"EngineeringTool\",\n  \"operatingSystem\": \"All\"\n}\n\u003c\/script\u003e","brand":"CAREL","offers":[{"title":"Default Title","offer_id":44265582002361,"sku":"166516282802","price":1072.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/8476\/7929\/files\/s-l1600_22e7ae6b-4102-4c15-a405-6f7a181b3dc4.jpg?v=1723796441","url":"https:\/\/koeed.com\/ko\/products\/new-carel-ritc230e01-control-board","provider":"KOEED","version":"1.0","type":"link"}