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Provides heater kit electric ranges from 3 kW to 25 kW, certification listings, configuration options, and warranty registration requirements. Includes detailed unit and heater model codes, electrical circuit breaker variants, phase and cabinet size limits, airflow/heat kit data tables, and accessorized filter and insulation kit fitment.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/technology/","Technology",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/aruf-series-multi-position-multi-speed-air-handler-with-psc-motor-heater-kit-1-to-5-tons/641077/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/aruf-series-multi-position-multi-speed-air-handler-with-psc-motor-heater-kit-1-to-5-tons/641077.png","ImageObject",300,407,{"name":42,"@type":43},"Jake","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-27","2026-10-22",true,{"@type":52,"interactionType":53,"userInteractionCount":33},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What are the key product features of the ARUF air handler and heater kit system?","Question",{"text":62,"@type":63},"The document lists features such as PSC multi-speed direct-drive blower, an all-aluminum evaporator coil, low cabinet air leakage tested to ASHRAE 193, multiple configuration options (horizontal/vertical), and electric heater kit ranges from 3 kW to 25 kW.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"Which heater kit electrical capacities are covered?",{"text":67,"@type":63},"Electric heater kit options listed span 3.0 kW, 4.8 kW, 6.0 kW, 8.0 kW, 9.6 kW, and larger kW ratings up to 25.0 kW depending on the model and phase.",{"name":69,"@type":60,"acceptedAnswer":70},"How are circuit breaker and electrical phase variations represented?",{"text":71,"@type":63},"The tables show unit type and heater kit coding that includes circuit breaker presence/absence and major/minor revisions by phase (e.g., 208 VAC/1 Ø, 240 VAC/1 Ø, 208/240 VAC/1 Ø, and 3 Ø options).","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},641077,1792865269,{"code":4,"msg":81,"data":82},"success",[83,87,91,95,100,104,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & 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....................................... 2  \nAccessories ........................................... 2  \nProduct Specifications .......................... 3  \nHeater Kit Nomenclature ...................... 3  \nDimensions ........................................... 4  \nAirflow Data .......................................... 5  \nHeat Kit Data ......................................... 6  \nWiring Diagrams ................................... 8  \nProduct Features  \n• Check flowrator for cooling and heat pump applications  \n• Direct drive, multi-speed PSC blower motor  \n• All-aluminum evaporator coil  \n• Coil mounting track for quick repositioning  \n• Cabinet air leakage less than 2.0% at  \n1.0 inch H₂O when tested in accordance with ASHRAE standard 193  \n• Cabinet air leakage less than 1.4% at 0.5 inch H₂O when tested in accordance with ASHRAE standard 193  \n• 3 kW – 25 kW electric heater kits  \n• AHRI certified; ETL listed  \n• Rigid SmartFrame™ cabinet  \n• Horizontal or vertical configuration capabilities  \n• 21\" depth for easier attic access  \n• DecaBDE-free thermoplastic drain pan with secondary drain connections  \n• Screw-less sides and back helps to reduce condensation when installed  \nin humid locations  \n• Foil-faced insulation covers the internal casing to reduce cabinet condensation  \n• Galvanized, leather grain-embossed finish  \n• Glue-less cabinet insulation retention  \n• Tool-less filter access  \n* Complete warranty details available from your local dealer or [at www.franklinhvacsystems.com. To receive](at www.franklinhvacsystems.com. To receive) the 10-Year Parts Limited Warranty, online registration must be completed within 60 days of installation. Online registration is not required in California or Quebec.  \nA R U F 25 B 1 4 AA  \n| HKS\u003Cbr>\u003Cbr>\u003Cbr>Unit Type\u003Cbr>HKS -­‐ AH Heater Kit\u003Cbr>\u003Cbr>X\u003Cbr>\u003Cbr>03\u003Cbr>\u003Cbr>Circuit Breaker\u003Cbr>\u003Cbr>X -­‐-­‐ No circuit breaker C -­‐-­‐ Circuit Breaker\u003Cbr>\u003Cbr>\u003Cbr>kW\u003Cbr>03 -­‐-­‐ 3.0 kW 15 -­‐-­‐ 14.4 kW\u003Cbr>05 -­‐-­‐ 4.8 kW 19 -­‐-­‐ 19. 2kW w/150F limit\u003Cbr>06 -­‐-­‐ 6.0kW 20 -­‐-­‐ 19. 2kW w/170F limit\u003Cbr>08 -­‐-­‐ 8.0kW 25 -­‐-­‐ 25.0 kW\u003Cbr>10 -­‐-­‐ 9.6 kW | X A AA |\n| --- | --- |\n|  | \u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>Major & Minor Revisions\u003Cbr>\u003Cbr>Phase\u003Cbr>A -­‐-­‐ 208 VAC / 1 Ø B -­‐-­‐ 240 VAC / 1 Ø C -­‐-­‐ 208/240 VAC / 1 Ø\u003Cbr>D -­‐-­‐ 208 VAC / 3 Ø E -­‐-­‐ 240 VAC / 3 Ø F -­‐-­‐ 208/240 VAC / 3 Ø G -­‐-­‐ 460 VAC / 3 Ø\u003Cbr>\u003Cbr>Cabinet Size (MAX) |\n|  | C -­‐-­‐ C Cabinet\u003Cbr>D -­‐-­‐ D Cabinet\u003Cbr>X -­‐-­‐ All Cabinet Sizes |\n\nAccessories  \nExpansion Valve Kits for Air Conditioning and Heat Pump Applications  \n\n| Kit\u003Cbr>Number | Description | Application | Refrigerant |  | Tonnage:\u003Cbr>Outdoor Unit |\n| --- | --- | --- | --- | --- | --- |\n| TX2N4A | Non-bleed Valve | AC or HP |  | R-410A | 1½ -2 Ton |\n| TX3N4 | Non-bleed Valve | AC or HP |  | R-410A | 2½ -3 Ton |\n| TX5N4 | Non-bleed Valve | AC or HP |  | R-410A | 3½ -5 Ton |\n\nDownflow Insulation Kit Filters  \n\n| DFK-B | DFK-C | DFK-D |\n| --- | --- | --- |\n| ARUF25B14** | ARUF37C14** | ARUF37D14** |\n| ARUF29B14** | ARUF43C14** | ARUF43D14** |\n| ARUF31B14** | ARUF49C14** | ARUF47D14** |\n|  |  | ARUF49D14** |\n|  |  | ARUF61D14** |\n\n\n| Chassis | Part \\# |  | Size |\n| --- | --- | --- | --- |\n| B |  | ALFH16201E | 16.0” x 20.0” |\n| C |  | ALFH1912201E | 19.5” x 20.0” |\n| D |  | ALFH20231E | 23.0” x 20.0” |\n\n\n|  | ARUF\u003Cbr>25B14* | ARUF\u003Cbr>29B14* | ARUF\u003Cbr>31B14* | ARUF\u003Cbr>37C14* | ARUF\u003Cbr>43C14* | ARUF\u003Cbr>49C14* | ARUF\u003Cbr>37D14* | ARUF\u003Cbr>43D14* | ARUF\u003Cbr>47D14* | ARUF\u003Cbr>49D14* | ARUF\u003Cbr>61D14* |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| Nominal Ratings |  |  |  |  |  |  |  |  |  |  |  |\n| Cooling (Btu/h) | 24,000 | 25,000 | 30,000 | 36,000 | 42,000 | 48,000 | 36,000 | 42,000 | 43,000 | 48,000 | 60,000 |\n| Piston Size | 0.051 | 0.057 | 0.065 | 0.072 | 0.076 | 0.080 | 0.072 | 0.076 | 0.076 | 0.080 | 0.080 |\n| Blower |","cbCaipfBiyQMnc4Z","https://ap.wps.com/l/cbCaipfBiyQMnc4Z","pdf",535521,"English","# Nomenclature\n# Accessories\n# Product Specifications\n## Heater Kit Nomenclature\n## Dimensions\n## Airflow Data\n## Heat Kit Data\n## Wiring Diagrams\n# Product Features\n# Heater Kit Data and Model Codes\n## Unit Type and Circuit Breaker Options\n## kW Heater Kit Options\n## Major and Minor Revisions\n## Phase and Cabinet Size (MAX)","[{\"question\":\"What are the key product features of the ARUF air handler and heater kit system?\",\"answer\":\"The document lists features such as PSC multi-speed direct-drive blower, an all-aluminum evaporator coil, low cabinet air leakage tested to ASHRAE 193, multiple configuration options (horizontal/vertical), and electric heater kit ranges from 3 kW to 25 kW.\"},{\"question\":\"Which heater kit electrical capacities are covered?\",\"answer\":\"Electric heater kit options listed span 3.0 kW, 4.8 kW, 6.0 kW, 8.0 kW, 9.6 kW, and larger kW ratings up to 25.0 kW depending on the model and phase.\"},{\"question\":\"How are circuit breaker and electrical phase variations represented?\",\"answer\":\"The tables show unit type and heater kit coding that includes circuit breaker presence/absence and major/minor revisions by phase (e.g., 208 VAC/1 Ø, 240 VAC/1 Ø, 208/240 VAC/1 Ø, and 3 Ø options).\"}]","ARUF Series - Multi-Position, Multi-speed Air Handler with PSC Motor - Heater Kit 1½ to 5 Tons | PDF",1792712669]