{"product_id":"sundance-780-series-2pump-control-board-60-hz-23-electronics-platform-part-6600624","title":"Sundance® 780 Series 2‑Pump Control Board – 60 Hz (‘23 Electronics Platform) Part #6600‑624","description":"\u003cdiv\u003e\u003cstrong\u003ePart Number: 6600-624\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eBrand: Sundance Spas\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003ePWA: CNTRL 780 2‑Pump 60Hz ‘23 – Sundance® Hamilton \/ Chelsee \/ Bristol \/ Montclair (11\/2023+), Revision 2.07\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW71944396 BCX8\"\u003e\n\u003cp class=\"Paragraph SCXW71944396 BCX8\" role=\"heading\" aria-level=\"1\" lang=\"EN-US\"\u003e\u003cstrong\u003e\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW71944396 BCX8\"\u003e\u003cspan class=\"NormalTextRun SCXW71944396 BCX8\" data-ccp-parastyle=\"heading 1\"\u003e⚠\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW71944396 BCX8\"\u003e\u003cspan class=\"NormalTextRun SCXW71944396 BCX8\" data-ccp-parastyle=\"heading 1\"\u003e️ IMPORTANT DISCLAIMER – PLEASE READ BEFORE PURCHASING\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW71944396 BCX8\" data-ccp-props='{\"134233117\":false,\"134233118\":false,\"134245418\":true,\"134245529\":true,\"201341983\":0,\"335551550\":0,\"335551620\":0,\"335559738\":281,\"335559739\":281,\"335559740\":300}'\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW71944396 BCX8\"\u003e\n\u003cul\u003e\n\u003cli class=\"Paragraph SCXW71944396 BCX8\" lang=\"EN-US\"\u003e\n\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW71944396 BCX8\"\u003e\u003cspan class=\"NormalTextRun SCXW71944396 BCX8\"\u003eThere are\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW71944396 BCX8\"\u003e\u003cspan class=\"NormalTextRun SCXW71944396 BCX8\"\u003eno refunds or returns\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW71944396 BCX8\"\u003e\u003cspan class=\"NormalTextRun SCXW71944396 BCX8\"\u003e\u003cspan\u003e \u003c\/span\u003eon electronic spa parts\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW71944396 BCX8\"\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"LineBreakBlob BlobObject DragDrop SCXW71944396 BCX8\"\u003e\u003cspan class=\"SCXW71944396 BCX8\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Paragraph SCXW71944396 BCX8\" lang=\"EN-US\"\u003e\n\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW71944396 BCX8\"\u003e\u003cspan class=\"NormalTextRun SCXW71944396 BCX8\"\u003ePlease verify compatibility with your hot tub model before ordering.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"LineBreakBlob BlobObject DragDrop SCXW71944396 BCX8\"\u003e\u003cspan class=\"SCXW71944396 BCX8\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Paragraph SCXW71944396 BCX8\" lang=\"EN-US\"\u003e\n\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW71944396 BCX8\"\u003e\u003cspan class=\"NormalTextRun SCXW71944396 BCX8\"\u003eAll electronic components are\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW71944396 BCX8\"\u003e\u003cspan class=\"NormalTextRun SCXW71944396 BCX8\"\u003ecovered under the original manufacturer’s warranty\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW71944396 BCX8\"\u003e\u003cspan class=\"NormalTextRun SCXW71944396 BCX8\"\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW71944396 BCX8\" data-ccp-props='{\"134233117\":false,\"134233118\":false,\"201341983\":0,\"335551550\":0,\"335551620\":0,\"335559738\":210,\"335559739\":210,\"335559740\":300}'\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003ePart \u003cstrong\u003e6600‑624\u003c\/strong\u003e is the official \u003cstrong\u003e2023+ Sundance® 780 Series 2‑Pump system control board\u003c\/strong\u003e, introduced for spas manufactured \u003cstrong\u003eNovember 2023 and later\u003c\/strong\u003e. This updated PWA (Power\/Logic Assembly) supports the \u003cstrong\u003enew ‘23 electronics platform\u003c\/strong\u003e, adding the \u003cstrong\u003eExterior Light (EXL) function\u003c\/strong\u003e and updated logic handling for 780 multi‑pump models.\u003c\/p\u003e\n\u003cp\u003eThis board replaces earlier 780 2‑pump PCBs such as \u003cstrong\u003e6600‑848 (2017–2018)\u003c\/strong\u003e and \u003cstrong\u003e6600‑404 (2018–2023)\u003c\/strong\u003e. It is the ONLY correct controller for 780 models produced from \u003cstrong\u003e11\/2023 forward\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatible Spa Models \u0026amp; Years\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e✔ \u003cstrong\u003eSundance® 780™ Series — 2‑Pump Spas\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eProduction Window:\u003c\/strong\u003e \u003cstrong\u003eNovember 2023 – Present\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eApproved models:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHamilton\u003c\/strong\u003e (2‑pump)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChelsee\u003c\/strong\u003e (2‑pump)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBristol\u003c\/strong\u003e (2‑pump)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMontclair\u003c\/strong\u003e (2‑pump)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e✖ NOT compatible with:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDover (1‑pump) → uses \u003cstrong\u003e6600‑623\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAny 780-spa made before 11\/2023\u003c\/li\u003e\n\u003cli\u003e780 2‑pump boards 2017–2023 (6600‑848, 6600‑404)\u003c\/li\u003e\n\u003cli\u003e880 \/ 980 Series\u003c\/li\u003e\n\u003cli\u003e680 \u0026amp; 980 BP systems\u003c\/li\u003e\n\u003cli\u003eExport 50 Hz models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical Details\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V, North American \u003cstrong\u003e60 Hz\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump Configuration:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump 1:\u003c\/strong\u003e 2‑speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump 2:\u003c\/strong\u003e 1‑speed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware:\u003c\/strong\u003e \u003cstrong\u003eRevision 2.07\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Platform:\u003c\/strong\u003e Sundance® 780 ‘23‑update logic (post‑ENC generation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdded Features:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior Light (EXL) support\u003c\/strong\u003e (new for this generation)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTopside Compatibility:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eUpdated 2023+ 780 LCD panels (model‑specific compatibility required)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeater Support:\u003c\/strong\u003e 5.5 kW stainless‑steel Sundance heater (standard 780 specification)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Support:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eTemperature sensor\u003c\/li\u003e\n\u003cli\u003eHi‑limit sensor\u003c\/li\u003e\n\u003cli\u003eFlow\/pressure switch (model‑dependent)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003ePurpose \u0026amp; Performance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e6600‑624\u003c\/strong\u003e board manages all primary spa operations in 2‑pump Sundance® 780 models:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eJet pump sequencing and load management\u003c\/li\u003e\n\u003cli\u003eHeater enable\/disable logic\u003c\/li\u003e\n\u003cli\u003eCirculation and filtration logic (Smart Logic™ 780 cycle algorithms)\u003c\/li\u003e\n\u003cli\u003eClearRay® UV system readiness \u0026amp; indicator\u003c\/li\u003e\n\u003cli\u003eLED lighting and \u003cstrong\u003eExterior Light\u003c\/strong\u003e control\u003c\/li\u003e\n\u003cli\u003eDiagnostic and watchdog monitoring:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommon faults addressed include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFLO\u003c\/li\u003e\n\u003cli\u003eOH\u003c\/li\u003e\n\u003cli\u003eSn1 \/ Sn2\u003c\/li\u003e\n\u003cli\u003eWatchdog reset\u003c\/li\u003e\n\u003cli\u003ePump startup failure\u003c\/li\u003e\n\u003cli\u003eNo‑heat conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eReplaces Previous Boards (Not Interchangeable With)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis board \u003cstrong\u003edoes NOT backward‑fit\u003c\/strong\u003e earlier models. It replaces:\u003c\/p\u003e\n\u003cdiv class=\"___i31lg00 f10pi13n f14t3ns0 f1nbblvp fat0sn4 f1ov4xf1 fekwl8i f1lmfglv f1oz7aqm f1abmfm4 f1w619qj f16h0jq8\"\u003e\n\u003ctable class=\"___1hm93bs f1ddd56o f16vktn6 f1enuhaj fdclmfp f1ev3kgc ftgm304 f1uinfot fibjyge fvueend f9yszdx f1fu4s3n f3l3pb3 f1s2k7dp f8fmt76 fjvbh62 fysh76l fic4ptz f1yenhzu f1yn6nvh f14tj6oe f1jq587y f1el8yx3 f1pymoxg f1ofu761 fe6itr f7coize f1794535 f70r78m f4zgifc fk1v6el f16pyhcb fo436u6 fzy4j18 fc43013 f1hmrcvb fc4t9fq fgp09rh fjnyn6r\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003cstrong\u003e6600‑848\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e04\/2017 – 05\/2018\u003c\/td\u003e\n\u003ctd\u003eOlder 780 2‑pump ENC board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003cstrong\u003e6600‑404\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e05\/2018 – 10\/2023\u003c\/td\u003e\n\u003ctd\u003eMid‑generation ENC 2‑pump board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e\u003cbr\u003e6600‑624 \u003cstrong\u003emust only be used on 11\/2023+ spas\u003c\/strong\u003e due to platform, wiring, and firmware changes.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eRelated Components\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6600‑623\u003c\/strong\u003e — 780 Dover 1‑pump board (2023+)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6600‑384 \/ 6600‑385\u003c\/strong\u003e — Compatible 780 topside controls\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6500‑series heaters\u003c\/strong\u003e — Sundance 5.5 kW heater tube assemblies\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eClearRay® UV lamp + ballast assemblies\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6600‑167 \/ 6600‑110\u003c\/strong\u003e — Temp \u0026amp; hi‑limit sensors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eOrdering Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eONLY fits \u003cstrong\u003e11\/2023+\u003c\/strong\u003e 780 Series 2‑pump models.\u003c\/li\u003e\n\u003cli\u003eNOT compatible with previous 780 electronics (2014–2023).\u003c\/li\u003e\n\u003cli\u003eMust verify \u003cstrong\u003espa serial number\u003c\/strong\u003e and \u003cstrong\u003epump configuration\u003c\/strong\u003e before ordering.\u003c\/li\u003e\n\u003cli\u003eAll electronic spa components are \u003cstrong\u003enon‑returnable\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eInstallation should be completed by a qualified spa technician due to system calibration requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e6600-624, 2-pump 60 Hz EL'23 board for:\u003cbr\u003eA. 11\/2023+ 780 2-pump\u003cbr\u003eHamilton, Chelsee, Bristol, Montclair models\u003cbr\u003eB. Revision 2.07\u003cbr\u003eC. Exterior Light function added\u003c\/p\u003e","brand":"Sundance Spas","offers":[{"title":"Default Title","offer_id":46355772997804,"sku":"6600-624","price":1319.64,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/2077\/8156\/files\/6600-624.png?v=1785170271","url":"https:\/\/snowvalleyspas.ca\/products\/sundance-780-series-2pump-control-board-60-hz-23-electronics-platform-part-6600624","provider":"Snow Valley Spas","version":"1.0","type":"link"}