Home 5 Arctic Spas Manual 5 CLASSIC SERIES Classic Series Classic Arctic Engineering 25 years of Engineering Excellence built into every Classic Series CLASSIC SERIES40. Spa Specifications41. Spa Overview42. Jets44. Topside Control Panel45. Start up46. Water Care Modes47. Filtration settings47. OnzenTM Settings With k50048. Audio, Maintence, Maintence Reminders, and Standby49. WiFi Settings50. Stereo Settings51. Error Codes52. Warranty