{"product_id":"new-carel-pjriw0tt5k-temperature-controller","title":"CAREL Temperature Controller PJRIW0TT5K","description":"\u003c!-- SEO Introduction --\u003e\n\u003csection class=\"koeed-container\"\u003e\n  \u003ch2 style=\"color: #0056b3;\"\u003eCAREL PJRIW0TT5K Digital Refrigeration Controller\u003c\/h2\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eCAREL PJRIW0TT5K\u003c\/strong\u003e is a precision-engineered digital thermostat from the renowned \"easy\" series, \n    specifically designed for high-efficiency management of commercial refrigeration units. Featuring a compact \n    form factor and intuitive interface, this controller provides seamless regulation for display cases, \n    beverage coolers, and laboratory storage. With integrated NTC probe compatibility and programmable \n    relay outputs, the PJRIW0TT5K ensures optimal \u003cstrong\u003ePrecision Temperature Regulation\u003c\/strong\u003e while \n    extending the operational life of the compressor via advanced protection algorithms.\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKeywords:\u003c\/strong\u003e CAREL PJRIW0TT5K, easy Series Thermostat, Digital Refrigeration Controller, NTC Temperature Sensor, HVAC Compressor Protection.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003chr style=\"border: 0; border-top: 1px solid #eeeeee; margin: 20px 0;\"\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003csection class=\"koeed-specs\"\u003e\n  \u003ch3 style=\"color: #0056b3;\"\u003eTechnical Specifications\u003c\/h3\u003e\n  \u003cdiv style=\"overflow-x: auto;\"\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 14px;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #16c8c8; color: #ffffff;\"\u003e\n          \u003cth style=\"padding: 12px; border: 1px solid #eeeeee;\"\u003eFeature\u003c\/th\u003e\n          \u003cth style=\"padding: 12px; border: 1px solid #eeeeee;\"\u003eDetailed Value\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;\"\u003eModel\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003ePJRIW0TT5K (easy Series)\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;\"\u003ePower Supply\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e230V AC (+10% \/ -15%), 50\/60Hz\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;\"\u003eProbe Input\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eNTC (10kΩ at 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;\"\u003eRelay Output\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e8A or 10A (Depending on Load Type)\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;\"\u003eDisplay Range\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e-50°C to +90°C\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- Application \u0026 Reliability --\u003e\n\u003csection class=\"koeed-application\" style=\"margin-top: 25px;\"\u003e\n  \u003ch3 style=\"color: #0056b3;\"\u003eIndustrial Reliability \u0026amp; Field Application\u003c\/h3\u003e\n  \u003cp\u003e\n    Engineered for \u003cstrong\u003e24\/7 reliability\u003c\/strong\u003e, the PJRIW0TT5K minimizes thermal fluctuations by \n    utilizing high-accuracy NTC feedback. Its firmware includes specialized \"Smart Defrost\" logic and \n    anti-short cycling timers, critical for maintaining the efficiency of \u003cstrong\u003esupermarket display cabinets\u003c\/strong\u003e \n    and \u003cstrong\u003emedical-grade refrigerators\u003c\/strong\u003e. The IP65 front panel protection ensures the unit remains \n    operational even in high-humidity environments typical of industrial cold storage.\n  \u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003c!-- Koeed B2B Tool: Compressor Protection Simulator --\u003e\n\u003csection id=\"koeed-tool-section\" style=\"margin: 30px 0; padding: 25px; border: 2px solid #16c8c8; border-radius: 8px; background-color: #fff;\"\u003e\n  \u003ch3 style=\"text-align: center; color: #16c8c8; margin-top: 0;\"\u003eKoeed Interactive: Compressor Safety Simulator\u003c\/h3\u003e\n  \u003cp style=\"font-size: 13px; text-align: center; color: #666;\"\u003eEstimate the cycle points and ensure your protection delay settings match your compressor requirements.\u003c\/p\u003e\n  \n  \u003cdiv style=\"display: flex; flex-direction: column; gap: 15px; max-width: 500px; margin: 0 auto;\"\u003e\n    \u003cdiv\u003e\n      \u003clabel for=\"koeed-st\" style=\"display: block; margin-bottom: 5px; font-weight: bold;\"\u003eSet Point (ST) in °C:\u003c\/label\u003e\n      \u003cinput type=\"number\" id=\"koeed-st\" value=\"4\" style=\"width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 4px;\" aria-label=\"Temperature Set Point\"\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv\u003e\n      \u003clabel for=\"koeed-rd\" style=\"display: block; margin-bottom: 5px; font-weight: bold;\"\u003eDifferential (rd) in °C:\u003c\/label\u003e\n      \u003cinput type=\"number\" id=\"koeed-rd\" value=\"2\" min=\"0.1\" step=\"0.1\" style=\"width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 4px;\" aria-label=\"Temperature Differential\"\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv\u003e\n      \u003clabel for=\"koeed-c1\" style=\"display: block; margin-bottom: 5px; font-weight: bold;\"\u003eMin. Compressor Off-Time (c1) in Min:\u003c\/label\u003e\n      \u003cinput type=\"number\" id=\"koeed-c1\" value=\"3\" min=\"0\" style=\"width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 4px;\" aria-label=\"Minimum compressor off time\"\u003e\n    \u003c\/div\u003e\n\n    \u003cbutton onclick=\"koeedSimulateCycle()\" style=\"background-color: #16c8c8; color: white; border: none; padding: 14px; cursor: pointer; border-radius: 4px; font-weight: bold; font-size: 16px;\"\u003eAnalyze Control Logic\u003c\/button\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv id=\"koeed-tool-result\" style=\"margin-top: 20px; padding: 15px; background: #f9f9f9; border-left: 4px solid #16c8c8; display: none;\"\u003e\u003c\/div\u003e\n\n  \u003cnoscript\u003e\n    \u003cp\u003eThe CAREL PJRIW0TT5K activates the cooling relay when Ambient Temp ≥ (Set Point + Differential) and stops when Ambient Temp ≤ Set Point. A safety delay (c1) prevents immediate restarts.\u003c\/p\u003e\n  \u003c\/noscript\u003e\n\u003c\/section\u003e\n\n\u003c!-- Troubleshooting FAQ --\u003e\n\u003csection class=\"koeed-faq\"\u003e\n  \u003ch3 style=\"color: #0056b3;\"\u003eField Engineer FAQ \u0026amp; Troubleshooting\u003c\/h3\u003e\n  \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eQ1: The display flashes \"E0\" and the alarm relay is active.\u003c\/strong\u003e\u003cbr\u003e\n    \u003cem\u003eA:\u003c\/em\u003e This is a \u003cstrong\u003eProbe Error\u003c\/strong\u003e. Inspect the connection of the primary NTC sensor. Ensure the probe is not shorted or open-circuited. If the resistance does not match the NTC 10K curve, replace the sensor to restore precision tracking.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eQ2: The compressor is not starting even though the temperature is above the Set Point.\u003c\/strong\u003e\u003cbr\u003e\n    \u003cem\u003eA:\u003c\/em\u003e Check the \u003cstrong\u003ec1 parameter (Min. Off Time)\u003c\/strong\u003e. The controller enforces a safety delay to allow system pressure to equalize. Additionally, verify if the \"Defrost\" icon is lit, as cooling is suppressed during a defrost cycle.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eQ3: How to reset the unit to factory default parameters?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cem\u003eA:\u003c\/em\u003e Turn off the power. While pressing the 'Set' button, restore power. The display will show 'CF'. Release 'Set' and select the desired configuration template to reload default industrial settings.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- JavaScript Logic --\u003e\n\u003cscript\u003e\nfunction koeedSimulateCycle() {\n  const st = parseFloat(document.getElementById('koeed-st').value);\n  const rd = parseFloat(document.getElementById('koeed-rd').value);\n  const c1 = parseFloat(document.getElementById('koeed-c1').value);\n  const resultDiv = document.getElementById('koeed-tool-result');\n  \n  const cutIn = st + rd;\n  const cutOut = st;\n  \n  resultDiv.style.display = 'block';\n  let advice = c1 \u003c 2 ? \"\u003cspan style='color: #d9534f;'\u003eWarning: c1 is too low. Increase to \u0026ge;3 min to protect your compressor motor.\u003c\/span\u003e\" : \"Protection Delay: OK.\";\n\n  resultDiv.innerHTML = `\n    \u003cdiv style=\"font-weight: bold; color: #0056b3; margin-bottom: 8px;\"\u003eOperational Cycle Report:\u003c\/div\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px; font-size: 14px; line-height: 1.6;\"\u003e\n      \u003cli\u003eCompressor \u003cstrong\u003eSTART\u003c\/strong\u003e Temp: \u003cspan style=\"color: #d9534f;\"\u003e${cutIn.toFixed(1)}\u0026deg;C\u003c\/span\u003e\u003c\/li\u003e\n      \u003cli\u003eCompressor \u003cstrong\u003eSTOP\u003c\/strong\u003e Temp: \u003cspan style=\"color: #16c8c8;\"\u003e${cutOut.toFixed(1)}\u0026deg;C\u003c\/span\u003e\u003c\/li\u003e\n      \u003cli\u003eMandatory Protection Delay: \u003cstrong\u003e${c1} Minutes\u003c\/strong\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003cstrong\u003eFAE Recommendation:\u003c\/strong\u003e ${advice}\u003c\/li\u003e\n    \u003c\/ul\u003e\n  `;\n}\n\u003c\/script\u003e\n\n\u003c!-- Structured Data --\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\": \"How to resolve CAREL E0 probe error?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The E0 code indicates a fault in the primary NTC sensor. Check for loose terminal connections or replace the 10K NTC probe if it is defective.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why is my compressor not starting on the PJRIW0TT5K?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This is often due to the c1 safety timer (minimum off-time) or a defrost cycle in progress. Ensure the safety timer has elapsed before troubleshooting hardware.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How to factory reset CAREL easy controllers?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Power down the unit, hold the 'Set' button while powering up until 'CF' appears, then release the button to reset parameters.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"WebApplication\",\n  \"name\": \"Koeed Compressor Safety Simulator\",\n  \"operatingSystem\": \"All\",\n  \"applicationCategory\": \"IndustrialEngineeringTool\",\n  \"description\": \"A tool to calculate refrigeration cut-in\/cut-out points and validate compressor protection delay settings for CAREL thermostats.\"\n}\n\u003c\/script\u003e","brand":"CAREL","offers":[{"title":"Default Title","offer_id":44264909504697,"sku":"166395871426","price":638.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/8476\/7929\/files\/s-l1600_ef3e67da-2c20-4b8a-a5a1-879a3781b6d3.jpg?v=1723794608","url":"https:\/\/koeed.com\/no\/products\/new-carel-pjriw0tt5k-temperature-controller","provider":"KOEED","version":"1.0","type":"link"}