ETHINK KL6600This is the only circuit board in this E-Think system unlike their previous packs that had two (relay board and processor board). A very easy board to swap as they have the 4-way amp plugs like used on Balboa packs, so unplug, swap boards and plug back in the equipment.Please note - due to the nature of fitting a circuit board we do not accept returns on such. All boards have been tested prior to shipping.A popular pack fitted to many Chinese hot tubs since 2012. The function summary
1. Plug-and-play mode is to get the easy operating and easy installation.
2. Three working modes: Normal /Standard Mode, Energy saving/Economy Mode and Filtering /Sleep Mode.
3. The clock display and setting of circulation-cleaning for 24 hours
4. Max 3 KW of the heater, water temperature display and setting function.
5. 2 surfing pumps and 1 circulating pump (or 1 surfing pump and 1double speed pump) and 1 blower.
6. Synchronous changing color with multiple lights and fixed color Light and Ozone antivirus system.
7. Automatic water frozen preventing
8. Double color buttons backlighting
9. Optional inputting about one-phase, three-phase or dual 110V, optional outputting about 110-120VAC or 220-240VAC
10. An extra power output, it can be used for DVD/TV or others.
11. Switchbank, selecting the different functions.
12. The protection of overvoltage and undervoltage
13. Low-voltage (Light and Ozone) overcurrent protection
14. Overcurrent protection of circulating pump
15. Error code hinting
