{"product_id":"evco-ev6421m5vhbs-temperature-controller","title":"EVCO Temperature Controller: EV6421M5VHBS | Precision Monitoring \u0026 Control","description":"\u003cdiv class=\"product-description-container\" style=\"font-family: 'Segoe UI', Arial, sans-serif; line-height: 1.6; color: #333;\"\u003e\n\n    \u003cp\u003eThe \u003cstrong\u003eEVCO EV6421M5VHBS\u003c\/strong\u003e is a high-precision \u003cstrong\u003edigital temperature controller\u003c\/strong\u003e designed for advanced thermal management in commercial refrigeration and industrial heating systems. As part of the EV6 series, the \u003cstrong\u003eEV6421M5VHBS controller\u003c\/strong\u003e features a clear LED display and intuitive interface for real-time monitoring. Whether you are sourcing an \u003cstrong\u003eEV6421M5VHBS replacement\u003c\/strong\u003e for a professional oven or looking for an \u003cstrong\u003eequivalent to specialized EVCO thermal regulators\u003c\/strong\u003e, this unit ensures stable process control and long-term reliability.\u003c\/p\u003e\n\n    \u003chr style=\"border: 0; height: 1px; background: #eee; margin: 20px 0;\"\u003e\n\n    \u003ch3 style=\"color: #2c3e50; border-left: 4px solid #27ae60; padding-left: 12px; margin-top: 25px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n        \u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px; border: 1px solid #e1e1e1;\"\u003e\n            \u003cthead\u003e\n                \u003ctr style=\"background-color: #f4f9f4;\"\u003e\n                    \u003cth style=\"padding: 12px; border: 1px solid #e1e1e1; text-align: left;\"\u003eParameter\u003c\/th\u003e\n                    \u003cth style=\"padding: 12px; border: 1px solid #e1e1e1; text-align: left;\"\u003eDetails\u003c\/th\u003e\n                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1;\"\u003eEV6421M5VHBS\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background-color: #fafafa;\"\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1; font-weight: bold;\"\u003eDisplay Type\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1;\"\u003e3-Digit LED Display with Status Icons\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1; font-weight: bold;\"\u003eControl Range\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1;\"\u003eConfigurable (Subject to Sensor Type)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background-color: #fafafa;\"\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1; font-weight: bold;\"\u003eInputs\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1;\"\u003ePTC\/NTC Thermistor Support\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1; font-weight: bold;\"\u003eOutputs\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1;\"\u003eRelay Outputs (Compressor\/Defrost\/Alarm)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background-color: #fafafa;\"\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1; font-weight: bold;\"\u003eMounting\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1;\"\u003ePanel Mount (Standard Cut-out)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1; font-weight: bold;\"\u003ePower Supply\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; border: 1px solid #e1e1e1;\"\u003eUniversal Input (Check Label for M5 configuration)\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch3 style=\"color: #2c3e50; border-left: 4px solid #27ae60; padding-left: 12px; margin-top: 30px;\"\u003eProfessional Thermal Process Control\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eEVCO EV6421M5VHBS\u003c\/strong\u003e is widely utilized in the food industry for managing blast chillers, cold storage rooms, and industrial fermentation cabinets. Its robust firmware includes advanced algorithms for energy-saving defrost cycles and compressor protection delay. As a critical \u003cstrong\u003eindustrial control part\u003c\/strong\u003e, this model provides excellent resistance to electrical noise and humidity, making it a dependable \u003cstrong\u003erepair part\u003c\/strong\u003e for maintaining strict temperature compliance in HORECA and laboratory applications.\u003c\/p\u003e\n\n    \u003ch3 style=\"color: #2c3e50; border-left: 4px solid #27ae60; padding-left: 12px; margin-top: 30px;\"\u003eEV6421M5VHBS Troubleshooting FAQ\u003c\/h3\u003e\n    \u003cul style=\"padding-left: 20px;\"\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDisplaying \"Pr1\" or \"Pr2\" Error?\u003c\/strong\u003e These codes typically signify a probe failure (PTC\/NTC). Inspect the sensor connections at the back of the \u003cstrong\u003eEV6421M5VHBS\u003c\/strong\u003e. Ensure the probe type selected in the configuration parameters matches the physical sensor installed.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCompressor not starting?\u003c\/strong\u003e Check the \"Compressor\" status icon on the LED display. If flashing, the unit is likely in a safety delay mode. Verify the setpoint (SP) and defrost parameters. Refer to the \u003cstrong\u003eEV6421M5VHBS manual PDF\u003c\/strong\u003e for specific time-delay settings.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eInaccurate temperature readings?\u003c\/strong\u003e Ensure the probe wire is not running parallel to high-power AC cables. Refer to the \u003cstrong\u003eEV6421M5VHBS wiring diagram\u003c\/strong\u003e to ensure proper grounding and shielding to avoid electromagnetic interference.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"EVCO","offers":[{"title":"Default Title","offer_id":44185288540345,"sku":"156008323757","price":256.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/8476\/7929\/files\/s-l1600_f6973e19-80bf-4e2b-a577-4f7defc3343d.jpg?v=1716287415","url":"https:\/\/koeed.com\/products\/evco-ev6421m5vhbs-temperature-controller","provider":"KOEED","version":"1.0","type":"link"}