They feature a lockable front-panel touchpad for setup and adjustment, and a Liquid Crystal Display (LCD) for viewing the temperature and status of other functions. A421 Series Electronic Temperature Controls (Continued) Single-Stage Electronic Temperature Controls Selection Chart A421 Electronic Temperature Control Selection Chart Product Code Number Description A421ABC-02C Line-Voltage Type 1 Electronic Temperature Control: Type 1 (NEMA), IP20 standard enclosure for DIN rail and surface-mount applications. . 1 Description The A421 Series controls are single stage, electronic temperature controls with a single-pole, double-throw (SPDT) output relay. A421 Electronic Temperature Control with Off-Cycle Defrost. Troubleshooting procedure - PENN Controls - A421GEF - Electronic Temperature Control - A421 Standard Model A421 Series Standard Electronic Temperature Controls Installation Guide brand PENN Controls prodname A421 Standard Model doctype Installation Guide docpartnumber 24-7664-3019 docrev E revised_modified 2019-10-14 Electromechanical and electronic options are available to fit your specific application. ������e,�O�5뀓llÚcM��I��`y��>X�����,��cl���eWw����^�5�X�۹�6D�e}�q�C�/8����:$�=�N^�W�O^�N^��W���N^��W��v�ʄ��sC��a���d�.2\Ԝ�N�r�ྛ7�{�����z�R��� ����A�Ŧ=��#t:U��7wU��dnF�ޏ�4{tt�MWٰ��s��ӷ��@�x�e��x That core competency is at the heart of Johnson Controls. #~�!=u?����p��9�����g�}!��>-0��*{ (4) Set required value using 0-9 numerical keys. 1002 0 obj <>stream Lorsqu'une défaillance ou un, dysfonctionnement du A421 control risque de, l'équipement contrôlé ou un autre équipement, la, conception du système de contrôle doit intégrer des, dispositifs de protection supplémentaires. They feature a lockable front-panel touchpad for setup and adjustment, and a Liquid Crystal Display (LCD) for viewing the temperature and status of other functions. A421 controls feature a backlit LCD with adjustable, brightness and three-button touchpad interface that, can be set up to restrict user adjustments. For over 100 years, PENN controls have helped customers with their HVACR applications with a full portfolio of temperature, pressure and humidity controls. . The equipment is not installed by a qualified installer per the MANUFACTURER’S installation instructions shipped with the product, 2. 631.207.1200 Page 1 A419 Issue Date February 10, 2003 ® A419 Series Electronic Temperature Controls with Display and NEMA 1 or NEMA … Table 1: Maximum sensor cable lengths and wire sizes Wire gauge 1Maximum sensor cable length 1 16 AWG 500 ft (150 m) 18 AWG 300 ft (100 m) 20 AWG 200 ft (60 m) 22 AWG 125 ft (40 m) ADO II 5-86: DO-3300 Series Installation Instructions DSG-12 10-09: DSG-1201 Digital Tach/Speed Switch Brochure DSG1201 II 7-95: DSG-1201DU Installation Instructions View and Download Johnson Controls A419 Series installation instructions manual online. Any A99 Series sensor works with the A421 Series Controls. A421 controls feature a backlit LCD with adjustable brightness and a three-button touchpad interface that can be set to restrict adjustments. A421 controls feature a backlit LCD with adjustable brightness and a three-button touchpad interface that can be set to restrict adjustments. A421 Series electronic temperature controls are single-stage controls with a single-pole, double-throw (SPDT) output relay. A Light-Emitting Diode (LED) indicates the controls output relay On/Off status. The temperature control range is, The A421 controls are available either in Type 1, (NEMA), IP20 (CE), high-impact plastic enclosures, suitable for surface or DIN rail mounting (Figure 1), or in Type 4X (NEMA), IP66 (CE) watertight, corrosion. Use with single-stage refrigeration or HVAC equipment. Electronic temperature controls with off-cycle defrost, A421 Series Electronic Temperature Controls with, IMPORTANT: Use this A421 Series Electronic. A Light-Emitting Diode (LED) indicates the controls output relay On/Off status. Standard operating policies and procedures can be effective catalysts to drive performance improvement and improve organizational results. An LED indicates the On/Off status of the output relay. d=��3� q�@��(` >�S� 2 A419 Electronic Temperature Control with NEMA 1 and NEMA 4X Watertight Enclosures Installation Instructions This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of FCC rules. An LED indicates the output relay's On/Off status. Control Electronico De Temperatura PENN A421ABC-02C , 1 Salida SPDT, 120 O 240 Volts , Incluye Sensor. endstream endobj 922 0 obj <> endobj 923 0 obj <> endobj 924 0 obj <>stream Do not replace an A99 Series sensor with any other brand, series, or type of temperature sensor. 26. A421 Series electronic temperature controls are single-stage controls with a single-pole, double-throw (SPDT) output relay. The A421 Series Electronic Temperature Controls are single-stage, electronic temperature controls with a … Ensure equipment operates safely and cost-effectively with controls that maintain proper operating temperature and help prevent over-cooling or overheating. See Table 2 and Table 3 to order A99 sensors, mounting hardware, and other … Commercial refrigeration applications range from display cases and food service equipment to food storage rooms and processing equipment. 27. B Issued November 6, 2015 A421ABC-x, A421AEC-x, A421GBF-x, A421GEF-x Refer to the QuickLIT website for the most up-to-date version of this document. Procedure. The A421 series controls are single-stage, electronic temperature controls with a Single-Pole, Double-Throw (SPDT) output relay. A99B Series Positive Temperature Coefficient Sensors. The equipment is misused or neglected, 4. See Table 1 for information about a standard A421 Series Electronic Temperature Control. 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. Room temperature module (6 pages) Temperature Controller Johnson Controls A70 Series Installation Sheets Manual (3 pages) Summary of Contents for Johnson Controls A419 Series. Johnson Controls - The A421 Series Electronic Temperature Controls are single-stage, electronic temperature controls with a single-pole, double-throw (SPDT) output relay. 26. A421 Series Standard Electronic Temperature Controls with and without Power Cords Product Bulletin 2 Applications The A421 Electronic Temperature Control can be used to control a wide variety of single-stage refrigeration or HVAC equipment. Temperature Controls. A421 Series Electronic Temperature Controls with Off-Cycle Defrost Installation Guide 3 • Do not mount the control on surfaces that are prone to vibration or in a location where high- voltage relays, motor starters, other sources of electromagnetic emissions, or strong radio Standard Operating Procedure (SOP): A set of instructions having the force of a directive, covering those features of operations that lend themselves to a definite or standardized procedure without loss of effectiveness. E ǭ3M�^[���j��;Y2$H���;J�-I�lO���x����xwt�8a$Q�$�_X&J�+M�0"d["-�c�b�XkF������11ΒX�ӊ�gMb/gH��,I�\L8� �%A�s5�p��F ��F.%X5 Line-Voltage Type 4X Electronic Temperature Control: Type 4X (NEMA), IP67 weathertight enclosure for surface-mount applications. dysfonctionnement du A421 Control. A421 Series Standard Electronic Temperature Controls Installation Guide brand PENN Controls prodname A421 Standard Model doctype Installation Guide docpartnumber 24-7664-3019 docrev E revised_modified 2019-10-14. The easy-to-use push-button programming menu is highlighted, including the basic and advanced menus making it simple to use. Includes an A99BB- 200C temperature sensor with 6.6 ft (2.0 m) cable. 26. The A421 Series controls are single stage, electronic temperature controls with a single-pole, double-throw (SPDT) output relay. Line-voltage … Manage cooling, defrost, alarms, communications and costs with the A421 refrigeration controller. Electronic Temperature Controls with NEMA 1 or NEMA 4X Watertight Enclosures. Penn A421 Series Installation Manual (29 pages) Temperature Controls with ... A421 Series Electronic Temperature Controls. It features a backlit LCD with adjustable brightness and three-button touchpad interface that can be set up to restrict user adjustments. Johnson Controls A421AEC-01C - Single Stage Digital Temperature Control (120/240v SPDT) - The A421 Series controls are single stage, electronic temperature controls with a single-pole, double-throw (SPDT) output relay. indicates the output relay's On/Off status. &�d��xQ6�'� - �"`�0 { 1 Applications The A421 Series Electronic Temperature Controls are single-stage, electronic temperature controls with a single-pole, double-throw (SPDT) output relay. Figure 14: Adjusting temperature in the Restricted menu Troubleshooting A421 Series Controls display fault codes on the LCD as described in Table 4. 888 … The controls feature an adjustable %%EOF The A421 Series Electronic Temperature Controls are single-stage, electronic temperature controls with a single-pole, double-throw (SPDT) output relay. Applications Dimensions IMPORTANT: Use this A421 Series Electronic Temperature Control only as an operating control. An Led Indicates The Output Relay's On/Off Status. a421gbf series a421gef series standard electronic temperature controls (18 pages), Refrigeration controller with adaptive defrost (13 pages), Electronic refrigeration controller with adaptive defrost (57 pages), Type temperature controls with nema 4x raintight enclosures (7 pages), Wall mount refrigeration and defrost controllers (60 pages), Controls for dual pressure applications (8 pages), Single-phase condenser fan speed controls (15 pages), Controls for low pressure applications (21 pages), Manual will be automatically added to "My Manuals", Control Unit Penn A421 Series Installation Manual, Controller Penn A421ABC-03C Installation Manual, Controller Penn A52 Series Installation Instructions Manual, Controller Penn A52 Series Technical Bulletin, Controller Penn A19QSC Installation Instructions Manual, Controller Penn A5 Series Technical Bulletin, Controller Penn P78 Series Installation Instructions Manual, Controller Penn P66AAB-1 Installation Instructions Manual, Controller Penn P266 Series Installation Instructions Manual, Controller Penn A19 Series Mounting And Installation, Controller Penn P70 Series Installation Instructions Manual, Controller Penn P47 Series Installation Instructions, Page 9: A421 Control Parameter Setup Menus. B Issued November 6, 2015 A421ABC-x, A421AEC-x, A421GBF-x, A421GEF-x Refer to the QuickLIT website for the most up-to-date version of this document. Our commercial thermostats provide unprecedented accuracy, efficiency and energy savings. A421 Series Electronic Temperature Controls with Off-Cycle Defrost Installation Instructions. The A421 Series controls are single stage, electronic temperature controls with a single-pole, double-throw (SPDT) output relay. $81.14 Johnson Controls A421ABC-02C A421 Series Electronic Temperature Control, -40 to 212 Degree F Temperature Range, Single-Pole, Double-Throw. North American Emissions Compliance. Figure 2: A421 Control with Type 4X (NEMA). Use with single-stage refrigeration or HVAC equipment. A421 Series Electronic Temperature Controls. e�*l�Y������Wi�-��O?V�������(���5��tG��y�qC8���䆰���{�c@�]��. The A421 Series Electronic Temperature Controls are single-stage controls with a single-pole, double-throw (SPDT) output relay. See Table 2 and Table 3 to order A99 sensors, mounting hardware, and other accessories you use to install A421 Controls. Temperature is arguably the most important component in a building's environment. The new A421 Series Electronic Temperature Control by Johnson Controls has advanced control features for more application versatility. See A99 Series Temperature Sensors, Wiring, and Technical specifications for more information about A99 sensors. 28. A421 Series Standard Electronic Temperature Controls with Power Cords Installation Guide 5. A scrolling display provides walk-through instructions for each step of the setup process, using plain language. 2 A421 Series Electronic Temperature Controls with Off-Cycle Defrost Installation Guide. Standard electronic temperature control (Some upright frost free models) 24 Deluxe electronic temperature control (Some upright frost free models) 24 Freezer optional features 24 Power on light 24 Electromechanical temperature alarm (Audible only or audible with warning light) 24 Electronic temperature alarm (Some electronic chest models) 25 2 A421 Series Standard Electronic Temperature Controls Installation Guide A421 Series Standard Electronic Temperature Controls (Continued) Single-Stage Electronic Temperature Controls A421 Series Standard Electronic Temperature Control (Part 2 of 2) Product Code Description A421AEC-02C Line-Voltage Type 4X Electronic Temperature Control: Type 4X (NEMA), IP66 watertight enclosure for surface-mount applications. Applications Dimensions IMPORTANT: Use this A421 Series Electronic Temperature Control only as an operating control. We offer a wide range, with options to suit any HVAC need. A421 Controls feature a bright backlit LCD with adjustable brightness and a three-button touchpad interface that can be set up to restrict user adjustments. Rated for 120/240 VAC. Applications Dimensions IMPORTANT: Use this A421 Series Electronic Temperature Control only as an operating control. For product availability in your area, please verify your zip code. . A421 Series Standard Electronic Temperature Controls Installation Instructions Refer to the QuickLIT website for the most up-to-date version of this document. Temperature controls with off-cycle defrost (29 pages), A421 series a421abc series a421aec series A Issued November 25, 2015 A421ABD-x, A421AED-x Refer to the QuickLIT website for the most up-to-date version of this document. Advertisement. . INSTALLATION INSTRUCTIONS 62-0256-11 E4436 T775P Series 2000 Electronic Stand-Alone Controller PRODUCT DESCRIPTION The T775 electronic stand-alone controllers are the next generation of commercial and agricultural controls capable of remote sensing of temperature and providing switched and/or proportional outputs to various types of loads. A421 controls have simple On and Off temperature, settings for heating or cooling, an adjustable anti-short, cycle delay, temperature setback, and sensor offset, capability. ETC Commercial Temperature Controls Specifications Ranco ETC Single Stage Installation Instructions The Ranco ETC is a microprocessor based temperature controller suitable for switching 120Volts at up to 16Amps for heating or cooling applications making it suitable for a wide range of applications. To remove the cover, loosen the two captive cover screws. Veiller, dans ce cas à intégrer de façon permanente, d'autres dispositifs, tels que des systèmes de, supervision ou d'alarme, ou des dispositifs de, sécurité ou de limitation, ayant une fonction, d'avertissement ou de protection en cas de, The A421 Series Electronic Temperature Controls are, single-stage, electronic temperature controls with a. single-pole, double-throw (SPDT) output relay. key once in direct page call. We have 2 Penn A421 Series manuals available for free PDF download: Installation Manual, Installation Instructions Manual . Temperature Controls are specialists in temperature control and have Australia’s largest stock of Thermocouples, RTD Sensors, Thermowells, Temperature Controllers, Liquid Level Switches and Extension Cables in single, multi-pair and steel wire armour configuration. The A421 with Defrost Control is typically used to provide temperature control and adjustable, timed, passive defrost cycles on medium temperature cooling applications such as reach-in boxes, display cases, and walk-in coolers. A421 Series Standard Electronic Temperature Controls with Power Cords Installation Instructions 4 Wiring The A421 Electronic Temperature Controls with Integral Power Cords are prewired for 120 VAC plug-in applications only. Table 1. The A421 series controls are single-stage, electronic temperature controls with a Single-Pole, Double-Throw (SPDT) output relay. Use an AC voltmeter to check the voltage … A421 Controls feature a backlit LCD with adjustable brightness and three-button touchpad interface that can be set up to restrict user adjustments. Contact. 1 Applications The A421 Series Electronic Temperature Controls are single-stage, electronic temperature controls with a single-pole, double-throw (SPDT) output relay. Packed with an A99 series PTC temperature sensor with an ambient operating temperature range of -40 to 212⁰F*, they provide a Single Pole/Double Throw relay output. h�b```"5�Aʰ�9.0))9)0LMe9�8���'oNX�#4sv�?bV��64��g��e�ݺ���� ٖ8�i[6�5ɶ��E�E鬧[�k��gg�Mm �i��� D @� resistant surface mount enclosures (Figure 2). Manufacturer of Pressure Switches, Valves, Temperature switches, Pressure Transducers, Electronic Pressure and Temperature Switches and Level Control Products 2 A421 Series Standard Electronic Temperature Controls Catalog Page h�bbd```b``�"���W ��?X�D2U�����0� &7�� R��2 Dr��H�P�,�lY $���灦120k�ā� U���q����� �� The equipment is not installed in accordance with federal, state and local codes and regulations, 3. Points of Single Contact. These limits are designed to … A421 Temperature Control Output Relay Contacts Electrical Ratings. Troubleshooting procedure - PENN Controls - A421GEF - Electronic Temperature Control - A421 Standard Model A421 Series Standard Electronic Temperature Controls Installation Guide brand PENN Controls prodname A421 Standard Model doctype Installation Guide docpartnumber 24-7664-3019 docrev E revised_modified 2019-10-14 Figure 1: A421 Control with Type 1 (NEMA). A421 Series Standard Electronic Temperature Controls with Power Cords Installation Guide brand PENN Controls prodname A421 Standard Model doctype Installation Guide docpartnumber 24-7664-3027 docrev D revised_modified 2019-01-24. Rated for 24 VAC Class 2, Safety Extra Low Voltage. endstream endobj startxref UL Conformity Declaration Information . Where failure or malfunction of the A421 control could, lead to personal injury or property damage to the, controlled equipment or other property, additional, precautions must be designed into the control, system. Please Share My Video's on Facebook and any other Social media sites with Links to My Video's.Serving--- All of Orange County , California. . DTC1 Series Standard Electronic Temperature Controls Installation Instructions 3 Additional Guidelines for Mounting Type 4X Controls The Type 4X models may be mounted to flat vertical surfaces using the four holes at the enclosure corners. Contact your nearest Johnson Controls or PENN distributor or sales representative to order these products. A421 Series. Sample temperature control applications include: 4.8 out of 5 stars 6. �$B� �!�p�B!��E4[ �� ��r"L�� "N�a���{GG����cXM7.�������%��}V�y�������8����~�t��U��a���G�.�X���ʼ��.���C�=�fzUVˬ�1P���>[��d6���D�����~��)R��(�����=��k��y�ZH1�H�!f,��x�^)�^��D+Q���n�_�{�� An LED indicates the output relay's On/Off status. A421 Series Electronic Temperature Controls with power cords Technical Specifications; Specification Description; Power consumption: 1.8 VA … See Table 1 for information about a standard A421 Series Electronic Temperature Control. Over 500 drawings and Technical literature are available on our web site. The … The comfort of its occupants depends on an indoor climate that adapts to their needs. Menu. for the most up-to-date version of this document. Johnson Controls A421ABC-04C Penn Series A421 Line-Voltage Type 1 Electronic Temperature Control, IP20 Standard Enclosure, 120/240 VAC, Includes an A99BB-400C Temperature Sensor with 13' 1-1/5" Cable . 26. Learn about the new PENN A421 Electronic Temperature Controls with Off-Cycle Defrost, including usage applications and how to program the controls. Temperature Control only as an operating control. A419 Series temperature controller pdf manual download. A421 Series Standard Electronic Temperature Controls with Power Cords Installation Guide brand PENN Controls prodname A421 Standard Model doctype Installation Guide docpartnumber 24-7664-3027 docrev D revised_modified 2019-01-24. INJkon 01/4.0/ Manual Page 13 of 93 (I) SETTING PROCEDURES Pg11:Temperature(1/2) TEMPERATURE (1) Press TEMP. 921 0 obj <> endobj It offers a wide range of options that allow for customized control functions. Includes an A99BB-600C temperature sensor with 19.5 ft (6.0 m) cable. Rated for 120/240 VAC. Johnson a421 digital temperature controller manual >> DOWNLOAD Johnson a421 digital temperature controller manual >> READ ONLINE Johnson Controls A421GEF-02C Penn Series A421 Low-Voltage Type 4X Electronic Temperature Control, IP67 Weathertight Enclosure, 24 VAC, Includes an A99BB-200C Temperature Sensor with 6′ 7-1/5″ Cable $127.58 $ 127 . Direct Replacement To The A419Abc-1C The A421 Series Electronic Temperature Controls Are Single-Stage Controls With A Single-Pole, Double-Throw (Spdt) Output Relay. h��V_o�6�G�c��?) Johnson Controls A421GEF-02 - Single Stage Digital Temperature Control w/ 6 Ft. 7-1/5" Leads (24v, SPDT) - Low-Voltage Type 4X Electronic Temperature Control: Type 4X (NEMA), IP66 watertight enclosure for surface-mount applications. Incorporate and maintain other devices, such, as supervisory or alarm systems or safety or limit, controls, intended to warn of or protect against failure, IMPORTANT: Utiliser ce A421 Series Electronic, Temperature Control uniquement en tant que, dispositif de régulation. Single-Stage Electronic Temperature Control from Johnson Controls The A421 Series single-stage temperature controls are available in low voltage (24VAC) and high voltage (120 or 240VAC) models. PENN controls also preserve dairy and agricultural products, as well as the pharmaceutical cold chain. Troubleshooting procedure - PENN Controls - A421AEJ - Electronic Temperature Control - A421 Standard Model A421 Series Standard Electronic Temperature Controls with Power Cords Installation Guide brand PENN Controls prodname A421 Standard Model doctype Installation Guide docpartnumber 24-7664-3027 docrev D revised_modified 2019-01-24 940 0 obj <>/Filter/FlateDecode/ID[<96FA498F9FC262DECD2D4F28A755D2B3>]/Index[921 82]/Info 920 0 R/Length 103/Prev 529162/Root 922 0 R/Size 1003/Type/XRef/W[1 3 1]>>stream A421 Series Electronic Temperature Controls with Off-Cycle Defrost Product Bulletin Refer to the QuickLIT website for the most up-to-date version of this document. Page 21: Troubleshooting To return to the Main screen, press Down and Up simultaneously. 28. 905 Waverly Avenue, Holtsville, NY, 11742. Page 1 A421 Series Standard Electronic Temperature Controls Installation Instructions Part No. A421 Standard Model doctype Installation Guide docpartnumber 24-7664-3019 docrev E revised_modified 2019-10-14. The Johnson Controls A421 Series are single-stage controls with a single-pole, double-throw (SPDT) output relay. A421tSeries Standard Electronic Temperature Controls Installation Guide Applications Important: Use this A421 Series Electronic Temperature Control only as an operating control. Johnson Controls A421 Electronic Temperature Controller. A421 Series Electronic Temperature Controls Technical Specifications; Specification Description; Power consumption: 1.8 VA maximum : Supply power: Low-Voltage models: 24 VAC (20 to 30 VAC), 50/60 Hz, Class 2 or Safety extra-low voltage . Each A421 Control includes a Johnson Controls® or PENN® A99 Series temperature sensor. Check for proper voltage to the A421 Control. Johnson Controls A421ABC-02C - Single Stage Digital Temperature Control (120/240VAC SPDT) - Electronic Single Stage Temperature Control, 120/240 VAC, UL TYPE 1, IP20, SPDT, 2M (6'-6") Temperature Sensor Free shipping on orders over $99 Your Zip: × Zip Code. 24-7664-3019, Rev. 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. �J�-L�LL��63E3% �b�ť�����Wv6�΅@�g��3�f`4�d020��Ҿ�m�4��r Page 3 The A421 Controls require an A99 sensor, and each A421 Control includes an A99 sensor. 58 Temperature Controller Johnson Controls TM-11x1 series Installation Instructions Manual. A421ABC-06C Line-Voltage Type 1 Electronic Temperature Control: Type 1 (NEMA), IP20 standard enclosure for DIN rail and surface-mount applications. See Table 2 for application information by control type. System 450™ Series Modular Controls Code No. Manufacturer of Temperature and Pressure Instruments and Controls Since 1882. Page 1 A421 Series Standard Electronic Temperature Controls Installation Instructions Part No. 24-7664-3035, Rev. ELECTRONIC. An LED. A421 Controls Feature A Bright Backlit Lcd With Adjustable Brightness And A Three-Button Touchpad Interface That Can Be Set Up To Restrict User Adjustments. A421 Series Electronic Temperature Controls with Off-Cycle Defrost Installation Instructions Refer to the QuickLIT website for the most up-to-date version of this document. 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. LIT-1900549 Description System 450™ is a family of modular, digital electronic controls that is easily assembled and set up to provide reliable temperature, pressure, and humidity control for a wide variety of HVAC/R applications, commercial process applications, and industrial process applications. Apply. (2) Now Pg11:Temperature(1/2) is displayed on screen in first line. We only ship within the United States. R-3 Table of Contents Single-Stage Electromechanical Temperature Controls . (3) Select required parameter position using CURSOR keys. An LED indicates the On/Off status of the output relay. Table 1. A421 Temperature Control Output Relay Contacts Electrical Ratings. The A421 Series Electronic Temperature Controls are single-stage controls with a single-pole, double-throw (SPDT) … %PDF-1.5 %���� ( Antes A419ABC-1C ) en Quecalor.com Observe the electrical ratings listed in Technical Specifications on page 14. 24-7664-3019, Rev. Walk-In Cooler Temperature Controls; Modular Electronic Controllers STREAMLINE CONTROLS PVT.LTD. 0 Page 1 A421 Series Electronic Temperature Controls with Off-Cycle Defrost Installation Instructions Part No. A built-in time clock is standard. , double-throw ( SPDT ) output relay to remove the cover, loosen the two captive cover.... Manuals available for free PDF download: Installation Manual, Installation Instructions Part No walk-through Instructions for step. Injkon 01/4.0/ Manual page 13 of 93 ( I ) SETTING procedures:. Lcd with adjustable brightness and a three-button touchpad interface that can be up. Only as an operating Control manage cooling, Defrost, A421 Series Electronic Controls! ( 4 ) set required value using 0-9 numerical keys 93 ( I ) procedures! Energy savings screen, press Down and up simultaneously Table of Contents Electromechanical. Literature are available to fit your specific application Defrost, A421 Series Electronic Temperature Control only as an Control... Prevent over-cooling or overheating more information about A99 sensors Controls A419 Series Installation Manual ( 29 )! Up simultaneously Control with Type 1 ( NEMA ) distributor or sales representative order! Range from display cases and food service equipment to food storage rooms and processing.... Ac voltmeter to check the voltage … A421 Series Electronic Temperature Controls Installation Guide the voltage … Electronic. 2 penn A421 Series Electronic Temperature Control the setup process, using plain language 1 applications the A421 Electronic... More information about a Standard A421 Series Installation Instructions shipped with the product, 2 ( 6.0 )! Degree F Temperature range, single-pole, double-throw ( SPDT ) output relay an A99BB- Temperature. And other accessories you Use to install A421 Controls feature a bright backlit LCD with adjustable brightness a! 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Cases and food service equipment to food storage rooms and processing equipment Type 1 Electronic Temperature Controls with a,! Press Down and up simultaneously contact your nearest Johnson Controls A421 Series Controls are single-stage Controls with Defrost... Controls that maintain proper operating Temperature and help prevent over-cooling or overheating 2, Safety Extra Low voltage O Volts! Remove the cover, loosen the two captive cover screws Control with Off-Cycle Installation. Customized Control functions Dimensions IMPORTANT: Use this A421 Series Controls are single-stage Controls with a single-pole, (... With adjustable brightness and a three-button touchpad interface that, can be up. For DIN rail a421 series standard electronic temperature controls installation instructions surface-mount applications, IMPORTANT: Use this A421 Series Electronic Temperature Control: 4X... Described in Table 4 displayed on screen in first line cold chain listed. Main screen, press Down and up simultaneously an indoor climate that adapts their... Suit any HVAC need federal, state and local codes and regulations,.!, with options to suit any HVAC need page 3 the A421 Series Electronic Temperature Controls with a,... Or NEMA 4X Watertight Enclosures any A99 Series sensor with 19.5 ft ( 2.0 m cable! Order A99 sensors, Wiring, and other accessories you Use to install A421 Controls require an A99 sensor service! Single-Pole, double-throw ( SPDT ) output relay information about a Standard A421 Series Temperature! Single-Stage, Electronic Temperature Control advanced menus making it simple to Use with any other brand Series. Installation Guide Now Pg11: Temperature ( 1/2 ) is displayed on screen in first line replace... 01/4.0/ Manual page 13 of 93 ( I ) SETTING procedures Pg11: Temperature ( 1 ) TEMP. 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