{"product_id":"a421abg-02c-electronicsinglestage-johnson-controls","title":"A421ABG-02C | ELECTRONICSINGLESTAGE | Johnson Controls","description":"\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e  \u003cp\u003e\u003cb\u003eSingle Stage Temp Controller with Sensor \u0026amp; Power Cords, 120VAC, NEMA1, 6' 7\" lead, -40 to 212F, HTG\/CLG\u003c\/b\u003e\u003c\/p\u003e  \u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe A421 Series controls are single stage, electronic temperature controls with a single-pole, double-throw (SPDT) output relay. The controls feature an adjustable backlit LCD for viewing the temperature and status of other functions, and a three-button touchpad for setup and adjustment. An LED indicates the On\/Off status of the output relay.\u003c\/p\u003e\u003cp\u003eThe A421 controls are available in low voltage 24 VAC and high voltage 120 or 240 VAC models, which provide options for most refrigeration and HVAC applications.\u003c\/p\u003e\u003cp\u003eThe A421 controls provide heating or cooling control, sensor offset, temperature setback, adjustable anti-short cycle delay, and a restricted user adjustment mode. The temperature units can be displayed in °F or °C. The temperature adjustment range is -40 to 212°F or -40 to 100°C.\u003c\/p\u003e\u003cp\u003eThe A421 controls are available in Type 1, IP20 high-impact plastic enclosures suitable for surface or DIN rail mounting and Type 4X, IP66 watertight, corrosion-resistant surface mount enclosures.\u003c\/p\u003e\u003cp\u003eThe factory-equipped power cords provide convenient plug-in connection and control of 120 VAC heating and cooling equipment.\u003c\/p\u003e\u003cp\u003eRefer to the A421 Series Electronic Temperature Controls Product Bulletin (LIT-12011972) for important product application information.\u003c\/p\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe A421 Electronic Temperature Control can be used to control a wide variety of single-stage refrigeration or HVAC equipment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSample temperature control applications include:\u003c\/li\u003e\n\u003cli\u003etemperature monitoring and alarming\u003c\/li\u003e\n\u003cli\u003eon\/off control of boilers and chillers\u003c\/li\u003e\n\u003cli\u003eboiler and chiller pump control\u003c\/li\u003e\n\u003cli\u003eheating and cooling control\u003c\/li\u003e\n\u003cli\u003ecooling tower fan control based on water temperature\u003c\/li\u003e\n\u003cli\u003esupply, makeup, and mixed air temperature control\u003c\/li\u003e\n\u003cli\u003etemperature actuated valve control\u003c\/li\u003e\n\u003cli\u003esupply and makeup air damper and fan control\u003c\/li\u003e\n\u003cli\u003econdenser fan control based on condenser temperature.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFeatures and Benefits\u003c\/h3\u003e\u003cp\u003e \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Front Panel LCD\u003c\/strong\u003e – displays the temperature, parameters, and status and allows you to adjust the backlight intensity for ambient light conditions. Custom icons display the system and control status.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasic and Advanced Programming Menu\u003c\/strong\u003e – provides two levels of parameter adjustment and control setup, allowing you to set up advanced features in one menu and easily adjust basic parameters in the other menu.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn\/Off Temperature Adjustment\u003c\/strong\u003e – allows you to select the temperature values at which the relay turns On and Off, which automatically defines the Heating or Cooling mode of operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch-Activated Temperature Setback\u003c\/strong\u003e – allows you to shift the On\/Off temperature by an adjustable setback value. When a user-supplied switch closes the binary input control circuit, the control operates at the defined setback temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Anti-Short Cycle Delay\u003c\/strong\u003e – allows you to select the minimum time the output relay remains off before the next on cycle; avoiding short cycling, hard starts, and nuisance overload outages on compressors and other inductive applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Sensor Offset\u003c\/strong\u003e – allows you to adjust the displayed temperature to the actual sensed temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Restricted Adjustment Mode\u003c\/strong\u003e – allows you to restrict the On\/Off adjustment to your defined temperature range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Failure Mode\u003c\/strong\u003e – allows you to select the relay On\/Off state in the event of a sensor or sensor wire failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacklight Brightness Level\u003c\/strong\u003e – allows you to adjust the LCD backlight intensity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003ch3\u003eRepair Information\u003c\/h3\u003e\u003cp\u003eDo not attempt to repair or recalibrate the A421 Series Electronic Temperature Control. In case of a defective or improperly functioning control, contact your nearest Authorized Johnson Controls\/PENN® Distributor or Sales Representative.\u003c\/p\u003e\u003cp\u003eWhen contacting your Johnson Controls\/ PENN distributor, have the model number of the control available. This number can be found on the label inside the cover of the control.\u003c\/p\u003e\u003ch3\u003eOrdering Information\u003c\/h3\u003e\u003cp\u003eContact your nearest Johnson Controls\/ PENN Distributor or Sales Representative to order sensors, mounting hardware, and other accessories used to install A421 controls.\u003c\/p\u003e\u003cp\u003eContact your local Johnson Controls\/PENN representative for more information on options available for high-volume purchase models with specific application requirements\u003c\/p\u003e\u003ch3\u003eResources\u003c\/h3\u003e\u003cdiv class=\"resources\"\u003e\n\u003ca href=\"http:\/\/cgproducts.johnsoncontrols.com\/cat_pdf\/1900934.pdf\" class=\"product__pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"\u003eDatasheet\u003c\/a\u003e  \u003ca href=\"https:\/\/docs.johnsoncontrols.com\/bas\/search\/all?query=A421ABG-02C\u0026amp;content-lang=en-US\" class=\"product__doc\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eMore Info\u003c\/a\u003e\n\u003c\/div\u003e  ","brand":"Johnson Controls","offers":[{"title":"Default Title","offer_id":46892926566561,"sku":"A421ABG-02C","price":4360.75,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2216\/8673\/files\/A421ABG-02C-ELECTRONICSINGLESTAGE-Johnson-Controls.jpg?v=1786977818","url":"https:\/\/www.foxti.com.br\/products\/a421abg-02c-electronicsinglestage-johnson-controls","provider":"FoxTI","version":"1.0","type":"link"}