{"product_id":"turbo-air-30227m4000-compressor-relay","title":"Turbo Air 30227M4000 OEM Compressor Relay – KVA26-JAHWA","description":"\u003ch2\u003eTurbo Air 30227M4000 OEM Compressor Relay – KVA26-JAHWA\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTurbo Air 30227M4000 Compressor Relay\u003c\/strong\u003e is a genuine OEM electrical starting component designed for compatible Turbo Air commercial refrigeration equipment. This relay is identified as \u003cstrong\u003eKVA26-JAHWA\u003c\/strong\u003e and is used within the applicable compressor start circuit to help the compressor motor begin operating when refrigeration is required.\u003c\/p\u003e\n\n\u003cp\u003eReliable compressor starting is critical to commercial refrigeration performance. A relay that becomes electrically damaged, overheated, internally worn, or no longer provides the proper start-circuit response can contribute to a compressor that hums but will not start, starts intermittently, repeatedly trips its overload, or fails to begin refrigeration operation.\u003c\/p\u003e\n\n\u003cp\u003eWhen qualified refrigeration diagnosis confirms compressor-relay replacement is required, using the correct \u003cstrong\u003eTurbo Air OEM 30227M4000\u003c\/strong\u003e helps restore the compressor-start configuration intended for compatible Turbo Air equipment.\u003c\/p\u003e\n\n\u003ch2\u003eOEM Part Details \u0026amp; Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Turbo Air\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 30227M4000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e 30227M4000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Compressor Start Relay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Identification:\u003c\/strong\u003e KVA26-JAHWA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-Pin Compressor Relay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublished Resistance Reference:\u003c\/strong\u003e 22 Ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressor Application:\u003c\/strong\u003e Samsung compressor applications where specified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. Length:\u003c\/strong\u003e 1.3\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. Width:\u003c\/strong\u003e 1.2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. Height:\u003c\/strong\u003e 1.15\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Commercial Refrigeration Equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Compressor Electrical Start Circuit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Compressor Motor Starting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat the Turbo Air 30227M4000 Relay Does\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTurbo Air 30227M4000 relay\u003c\/strong\u003e works within the compressor electrical circuit during startup. The start circuit must provide the electrical conditions required for the compressor motor to begin rotating and then transition into normal running operation.\u003c\/p\u003e\n\n\u003cp\u003eProper compressor-relay operation helps support:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eReliable compressor startup\u003c\/li\u003e\n\u003cli\u003eNormal refrigeration-cycle initiation\u003c\/li\u003e\n\u003cli\u003eProper interaction with compressor start components\u003c\/li\u003e\n\u003cli\u003eReduced failed-start conditions\u003c\/li\u003e\n\u003cli\u003eReduced nuisance overload trips\u003c\/li\u003e\n\u003cli\u003eConsistent cabinet pull-down\u003c\/li\u003e\n\u003cli\u003eDependable commercial refrigeration operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKVA26-JAHWA Compressor Relay\u003c\/h2\u003e\n\n\u003cp\u003eTurbo Air OEM part number \u003cstrong\u003e30227M4000\u003c\/strong\u003e is identified in current OEM parts listings as relay model \u003cstrong\u003eKVA26-JAHWA\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe relay should be matched using the complete Turbo Air OEM number and original compressor-start arrangement rather than general physical appearance. Compressor relays with similar housings can use different resistance values, internal switching characteristics, pin arrangements, and compressor applications.\u003c\/p\u003e\n\n\u003ch2\u003e3-Pin, 22-Ohm Relay Configuration\u003c\/h2\u003e\n\n\u003cp\u003ePublished commercial service-parts listings describe 30227M4000 as a \u003cstrong\u003e3-pin compressor relay with a 22-ohm reference\u003c\/strong\u003e associated with applicable Samsung compressor installations.\u003c\/p\u003e\n\n\u003cp\u003eThese characteristics should be compared with the original installed relay and compressor information before ordering. Do not substitute another 3-pin relay simply because the connector arrangement appears similar.\u003c\/p\u003e\n\n\u003ch2\u003ePublished Turbo Air Model Fitment References\u003c\/h2\u003e\n\n\u003cp\u003eCommercial parts documentation currently associates Turbo Air 30227M4000 with several refrigeration models, including:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eM3R47-2\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMSR49NM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMST48\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMST6024\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMUF28\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTBC50SD\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTBD2SB\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTSR49SD\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Model references can vary by serial number, compressor revision, production date, and electrical configuration. Always verify OEM number \u003cstrong\u003e30227M4000\u003c\/strong\u003e, the complete Turbo Air model and serial number, compressor identification, original relay markings, and electrical start components before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Signs of a Compressor Relay Problem\u003c\/h2\u003e\n\n\u003cp\u003eQualified commercial refrigeration technicians may inspect the Turbo Air 30227M4000 when troubleshooting conditions such as:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCompressor does not start\u003c\/li\u003e\n\u003cli\u003eCompressor hums but fails to run\u003c\/li\u003e\n\u003cli\u003eRepeated clicking occurs near the compressor\u003c\/li\u003e\n\u003cli\u003eCompressor starts intermittently\u003c\/li\u003e\n\u003cli\u003eCompressor repeatedly trips the overload\u003c\/li\u003e\n\u003cli\u003eRelay housing shows heat damage\u003c\/li\u003e\n\u003cli\u003eRelay terminals are burned or discolored\u003c\/li\u003e\n\u003cli\u003eRelay is loose on the compressor terminals\u003c\/li\u003e\n\u003cli\u003eElectrical connections show evidence of arcing\u003c\/li\u003e\n\u003cli\u003eCabinet does not cool because the compressor fails to start\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThese symptoms do not automatically confirm relay failure. Supply-voltage problems, compressor overloads, start or run capacitors, wiring, electronic controls, compressor winding damage, or internal compressor failure can produce similar symptoms. Diagnose the complete compressor-start circuit before replacing the relay.\u003c\/p\u003e\n\n\u003ch2\u003eCompressor Hums but Will Not Start\u003c\/h2\u003e\n\n\u003cp\u003eA compressor that hums without starting requires careful electrical diagnosis. A defective start relay can cause this condition, but several other problems can produce the same symptom.\u003c\/p\u003e\n\n\u003cp\u003eQualified technicians should inspect:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eIncoming line voltage\u003c\/li\u003e\n\u003cli\u003eVoltage at the compressor\u003c\/li\u003e\n\u003cli\u003e30227M4000 relay condition\u003c\/li\u003e\n\u003cli\u003eCompressor overload\u003c\/li\u003e\n\u003cli\u003eStart capacitor where applicable\u003c\/li\u003e\n\u003cli\u003eRun capacitor where applicable\u003c\/li\u003e\n\u003cli\u003eCompressor terminal condition\u003c\/li\u003e\n\u003cli\u003eCompressor winding resistance\u003c\/li\u003e\n\u003cli\u003eShort-to-ground condition\u003c\/li\u003e\n\u003cli\u003eMechanical compressor condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRelay vs. Compressor Overload\u003c\/h2\u003e\n\n\u003cp\u003eThe compressor relay and overload perform different functions within the starting circuit.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressor Relay:\u003c\/strong\u003e Assists the electrical starting sequence required by the compressor motor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressor Overload:\u003c\/strong\u003e Helps protect the compressor from excessive current or temperature conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eA defective overload can prevent compressor operation even when the relay is functional. Both components should be evaluated during compressor-start diagnosis.\u003c\/p\u003e\n\n\u003ch2\u003eRelay vs. Start Capacitor\u003c\/h2\u003e\n\n\u003cp\u003eSome compressor configurations use a capacitor as part of the start circuit. A failed capacitor may produce symptoms similar to a defective relay.\u003c\/p\u003e\n\n\u003cp\u003eWhere applicable, technicians should verify:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCapacitor capacitance\u003c\/li\u003e\n\u003cli\u003eCapacitor condition\u003c\/li\u003e\n\u003cli\u003eRelay operation\u003c\/li\u003e\n\u003cli\u003eOverload condition\u003c\/li\u003e\n\u003cli\u003eWiring arrangement\u003c\/li\u003e\n\u003cli\u003eCompressor electrical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInspect Compressor Terminals\u003c\/h2\u003e\n\n\u003cp\u003eBefore installing a replacement relay, inspect the compressor terminal area carefully.\u003c\/p\u003e\n\n\u003cp\u003eLook for:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eBurned terminal pins\u003c\/li\u003e\n\u003cli\u003eLoose connections\u003c\/li\u003e\n\u003cli\u003eCorrosion\u003c\/li\u003e\n\u003cli\u003eHeat-discolored terminals\u003c\/li\u003e\n\u003cli\u003eMelted wiring insulation\u003c\/li\u003e\n\u003cli\u003eDamaged terminal covers\u003c\/li\u003e\n\u003cli\u003eEvidence of electrical arcing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eInstalling a new relay onto damaged compressor terminals can result in overheating or repeat electrical failure.\u003c\/p\u003e\n\n\u003ch2\u003eInspect Wiring \u0026amp; Electrical Connections\u003c\/h2\u003e\n\n\u003cp\u003eThe surrounding wiring should also be inspected before the replacement relay is returned to service.\u003c\/p\u003e\n\n\u003cp\u003eCheck for:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eLoose connectors\u003c\/li\u003e\n\u003cli\u003eBroken conductors\u003c\/li\u003e\n\u003cli\u003ePinched wiring\u003c\/li\u003e\n\u003cli\u003eHeat-damaged insulation\u003c\/li\u003e\n\u003cli\u003eCorroded terminals\u003c\/li\u003e\n\u003cli\u003eIncorrect previous repairs\u003c\/li\u003e\n\u003cli\u003eMoisture contamination\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAny electrical damage should be repaired before installing the replacement relay.\u003c\/p\u003e\n\n\u003ch2\u003eStart Relay vs. Failed Compressor\u003c\/h2\u003e\n\n\u003cp\u003eA new compressor relay cannot correct a compressor with electrically damaged windings or internal mechanical failure.\u003c\/p\u003e\n\n\u003cp\u003eBefore replacing the relay, qualified technicians should determine whether the compressor is electrically and mechanically serviceable.\u003c\/p\u003e\n\n\u003cp\u003eCheck for:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eOpen motor winding\u003c\/li\u003e\n\u003cli\u003eShorted winding\u003c\/li\u003e\n\u003cli\u003eGrounded winding\u003c\/li\u003e\n\u003cli\u003eLocked rotor condition\u003c\/li\u003e\n\u003cli\u003eAbnormal compressor current draw\u003c\/li\u003e\n\u003cli\u003eMechanical seizure\u003c\/li\u003e\n\u003cli\u003eExcessive compressor temperature\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnician Checks Before Ordering\u003c\/h2\u003e\n\n\u003cp\u003eBefore ordering Turbo Air 30227M4000, verify:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eOEM part number \u003cstrong\u003e30227M4000\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRelay identification \u003cstrong\u003eKVA26-JAHWA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eComplete Turbo Air equipment model\u003c\/li\u003e\n\u003cli\u003eEquipment serial number\u003c\/li\u003e\n\u003cli\u003eOriginal compressor manufacturer and model\u003c\/li\u003e\n\u003cli\u003eOriginal relay markings\u003c\/li\u003e\n\u003cli\u003e3-pin configuration\u003c\/li\u003e\n\u003cli\u003eCompressor terminal arrangement\u003c\/li\u003e\n\u003cli\u003eStart-component configuration\u003c\/li\u003e\n\u003cli\u003eOverload identification\u003c\/li\u003e\n\u003cli\u003eCapacitor requirements where applicable\u003c\/li\u003e\n\u003cli\u003eEquipment wiring diagram\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo not select a compressor relay by appearance alone.\u003c\/strong\u003e Similar relays can have different resistance values, pin configurations, switching characteristics, and compressor applications.\u003c\/p\u003e\n\n\u003ch2\u003eCommercial Refrigeration Applications\u003c\/h2\u003e\n\n\u003cp\u003eTurbo Air commercial refrigeration equipment is commonly used in demanding foodservice environments including:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eRestaurants\u003c\/li\u003e\n\u003cli\u003eCommercial kitchens\u003c\/li\u003e\n\u003cli\u003eSupermarkets\u003c\/li\u003e\n\u003cli\u003eConvenience stores\u003c\/li\u003e\n\u003cli\u003eHotels\u003c\/li\u003e\n\u003cli\u003eSchools\u003c\/li\u003e\n\u003cli\u003eHospitals\u003c\/li\u003e\n\u003cli\u003eInstitutional kitchens\u003c\/li\u003e\n\u003cli\u003eBars\u003c\/li\u003e\n\u003cli\u003eFoodservice facilities\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Electrical Safety Notes\u003c\/h2\u003e\n\n\u003cp\u003eDisconnect electrical power before servicing compressor electrical components. Compressor-start circuits should be diagnosed and serviced by qualified commercial refrigeration personnel.\u003c\/p\u003e\n\n\u003cp\u003eBefore removing the original relay, document:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eRelay orientation\u003c\/li\u003e\n\u003cli\u003eCompressor terminal positions\u003c\/li\u003e\n\u003cli\u003eWire locations\u003c\/li\u003e\n\u003cli\u003eOverload position\u003c\/li\u003e\n\u003cli\u003eCapacitor wiring where applicable\u003c\/li\u003e\n\u003cli\u003eOriginal component markings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCompare the replacement Turbo Air 30227M4000 with the original relay before installation.\u003c\/p\u003e\n\n\u003cp\u003eAfter installation, qualified personnel should verify:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCompressor starts normally\u003c\/li\u003e\n\u003cli\u003eNo repeated clicking occurs\u003c\/li\u003e\n\u003cli\u003eCompressor does not trip the overload\u003c\/li\u003e\n\u003cli\u003eElectrical connections remain secure\u003c\/li\u003e\n\u003cli\u003eNo abnormal terminal heating occurs\u003c\/li\u003e\n\u003cli\u003eRefrigeration system begins normal pull-down\u003c\/li\u003e\n\u003cli\u003eCompressor cycles normally\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Correct Turbo Air OEM Identification Matters\u003c\/h2\u003e\n\n\u003cp\u003eCompressor relays can look nearly identical while using different internal electrical characteristics and compressor applications.\u003c\/p\u003e\n\n\u003cp\u003eUsing \u003cstrong\u003eTurbo Air OEM part number 30227M4000\u003c\/strong\u003e together with the \u003cstrong\u003eKVA26-JAHWA\u003c\/strong\u003e, \u003cstrong\u003e3-pin\u003c\/strong\u003e, and published \u003cstrong\u003e22-ohm\u003c\/strong\u003e identification provides a much stronger replacement reference than selecting a relay by appearance alone.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is Turbo Air 30227M4000?\u003c\/h3\u003e\n\u003cp\u003eTurbo Air 30227M4000 is a genuine OEM compressor relay used in compatible Turbo Air commercial refrigeration equipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhat relay designation is Turbo Air 30227M4000?\u003c\/h3\u003e\n\u003cp\u003eCurrent OEM parts listings identify 30227M4000 as a \u003cstrong\u003eKVA26-JAHWA relay\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eIs Turbo Air 30227M4000 a compressor relay?\u003c\/h3\u003e\n\u003cp\u003eYes. Commercial service-parts listings identify it as a compressor start relay.\u003c\/p\u003e\n\n\u003ch3\u003eHow many pins does 30227M4000 have?\u003c\/h3\u003e\n\u003cp\u003ePublished service information identifies the relay as a \u003cstrong\u003e3-pin\u003c\/strong\u003e compressor relay.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the resistance reference?\u003c\/h3\u003e\n\u003cp\u003eCommercial service-parts sources describe 30227M4000 with a \u003cstrong\u003e22-ohm\u003c\/strong\u003e reference.\u003c\/p\u003e\n\n\u003ch3\u003eWhat are the approximate dimensions?\u003c\/h3\u003e\n\u003cp\u003eParts Town publishes dimensions of approximately \u003cstrong\u003e1.3\" long x 1.2\" wide x 1.15\" high\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eCan a bad relay cause the compressor to hum but not start?\u003c\/h3\u003e\n\u003cp\u003eYes. A failed start relay can prevent a compressor from starting correctly, although overload, capacitor, voltage, wiring, or compressor failures can produce the same symptom.\u003c\/p\u003e\n\n\u003ch3\u003eShould the compressor overload be checked too?\u003c\/h3\u003e\n\u003cp\u003eYes. The relay and overload work within the compressor electrical system and should both be evaluated during diagnosis.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Turbo Air models use 30227M4000?\u003c\/h3\u003e\n\u003cp\u003ePublished fitment references include M3R47-2, MSR49NM, MST48, MST6024, MUF28, TBC50SD, TBD2SB, and TSR49SD. Verify model and serial number before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eCan I replace 30227M4000 with another 3-pin compressor relay?\u003c\/h3\u003e\n\u003cp\u003eNo. Pin count alone does not establish compatibility. Verify OEM number 30227M4000, relay identification, resistance reference, compressor model, terminal arrangement, and equipment documentation.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I confirm Turbo Air 30227M4000 is correct?\u003c\/h3\u003e\n\u003cp\u003eVerify OEM part number \u003cstrong\u003e30227M4000\u003c\/strong\u003e, Turbo Air model and serial number, compressor identification, KVA26-JAHWA relay markings, terminal configuration, and associated start components before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eIs professional installation recommended?\u003c\/h3\u003e\n\u003cp\u003eYes. Compressor electrical components should be diagnosed and installed by qualified commercial refrigeration personnel.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy From Parts Direct Online?\u003c\/h2\u003e\n\n\u003cp\u003eParts Direct Online supplies OEM Turbo Air commercial refrigeration relays, compressor electrical components, controls, fan motors, sensors, gaskets, and related replacement parts for service technicians, contractors, restaurants, supermarkets, hotels, institutional kitchens, and foodservice facilities throughout the United States.\u003c\/p\u003e","brand":"PartsDirectonline","offers":[{"title":"Default Title","offer_id":47546119749855,"sku":"134-131","price":56.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/3047\/0623\/files\/turbo-air-refrigeration-relay-oem-replacement-relay-for-turbo-air-coolers-freezers-8951764.webp?v=1765852625","url":"https:\/\/partsdirectonline.com\/products\/turbo-air-30227m4000-compressor-relay","provider":"PartsDirectonline","version":"1.0","type":"link"}