{"title":"Hard Start","description":"","products":[{"product_id":"compressor-saver-hard-start-assist-kit-for-1-5-3-ton-compressors","title":"Compressor Saver Hard Start Assist Kit | For 1.5 - 3 Ton Compressors","description":"\u003ch1\u003e\u003cstrong\u003e5-2-1 Compressor Saver CSRU1 Hard Start Kit | 1 - 3 Ton HVAC Units | OEM 3-Wire Potential Relay\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe 5-2-1® \u003cstrong\u003eCompressor Saver\u003c\/strong\u003e® \u003cstrong\u003eCSRU1 \u003c\/strong\u003eis a precision-engineered hard start device specifically designed for \u003cstrong\u003e1 to 3-ton air conditioning\u003c\/strong\u003e and\u003cstrong\u003e heat pump systems.\u003c\/strong\u003e The \u003cstrong\u003eCSRU1 \u003c\/strong\u003eserves as a \u003cstrong\u003ehigh-torque performance booster\u003c\/strong\u003e that protects your \u003cstrong\u003ecompressor’s\u003c\/strong\u003e \"brain\" during the \u003cstrong\u003ehigh-stress startup phase\u003c\/strong\u003e. By utilizing a heavy-duty start capacitor and a mechanical Potential Relay, it reduces the time your compressor spends in the high-amp \"\u003cstrong\u003eLocked Rotor\u003c\/strong\u003e\" state by up to \u003cstrong\u003e50\u003c\/strong\u003e%. This not only \u003cstrong\u003eprevents lights \u003c\/strong\u003efrom \u003cstrong\u003eflickering \u003c\/strong\u003ebut also \u003cstrong\u003edrastically reduces \u003c\/strong\u003einternal \u003cstrong\u003eheat buildup\u003c\/strong\u003e, ensuring your 1-3 ton unit operates at peak reliability for years.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 3-Wire Technology:\u003c\/strong\u003e The CSRU1 uses a specialized 3-wire connection to monitor the motor's speed, instantly disconnecting the start capacitor once the compressor reaches 75% speed—a level of precision 2-wire kits can't match.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for Smaller Systems:\u003c\/strong\u003e Specifically calibrated for residential units ranging from 1 to 3 Tons, providing the exact amount of torque boost needed without overstressing smaller compressor windings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Grade Potential Relay:\u003c\/strong\u003e Features a non-electronic mechanical relay that is much more durable than generic solid-state versions, designed to withstand thousands of cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Load Reduction: \u003c\/strong\u003eLowers \"Inrush Current\" (LRA) during startup, which protects the contactor, wires, and internal compressor components from electrical arcing and heat damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Application: \u003c\/strong\u003eWorks seamlessly with all major brands of 208V-240V single-phase systems, providing an OEM-quality upgrade to any standard AC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand: \u003c\/strong\u003e5-2-1® Compressor Saver®\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CPS Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e CSRU1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Tonnage:\u003c\/strong\u003e 1.0, 1.5, 2.0, 2.5, and 3.0 Ton Units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 204V - 240V (Single Phase)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Type: \u003c\/strong\u003ePotential Relay (Mechanical)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacitor Type:\u003c\/strong\u003e High-Microfarad Start Capacitor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e 3-Wire Color Coded\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e🛠️ HVAC Depot Pro Tip\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe CSRU1 is the perfect solution for systems that struggle to start on hot days or units connected to long refrigerant line sets. When wiring, remember the 5-2-1 sequence: Pin 5 to Common, Pin 2 to Start, and Pin 1 to the Capacitor. To ensure the longest life for the potential relay, mount the kit vertically in the electrical compartment so that gravity helps the internal relay contacts open and close properly.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCross-Reference\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eReplaces\/Supersedes: \u003c\/strong\u003e\u003c\/h3\u003e\nGeneric 2-Wire Boosters (SPP5, HS6, etc.)\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eLegacy\/Drawing Numbers:\u003c\/strong\u003e\u003c\/h3\u003e\nCSRU-1, 521-CSRU1\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eEquivalent Brands:\u003c\/strong\u003e\u003c\/h3\u003e\nKickstart TO-5 (Lower tonnage range), Rectorseal KS-1, Supco SPP7S\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eModel Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal:\u003c\/strong\u003e 1 - 3 Ton Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrier \/ Bryant \/ Payne:\u003c\/strong\u003e (Suffixes: 24, 30, 36 Series)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrane \/ American Standard: \u003c\/strong\u003e(Suffixes: XR11, XR12, XL Series)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRheem \/ Ruud:\u003c\/strong\u003e (Suffixes: RA13, RA14, RP14 1.5-3T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGoodman \/ Amana:\u003c\/strong\u003e (Suffixes: GSX13, GSX14, GSZ14)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLennox \/ Armstrong: \u003c\/strong\u003e(Suffixes: 13ACX, 14ACX 1.5-3T)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HVAC Parts and Equipment Depot: Open To The Public HVAC Parts | Plano, TX","offers":[{"title":"Default Title","offer_id":52922638958955,"sku":"CSRU1","price":75.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/CSRU1-4.jpg?v=1771626449"}],"url":"https:\/\/tophvacparts.com\/collections\/hard-start.oembed","provider":"HVAC Parts and Equipment Depot","version":"1.0","type":"link"}