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TABLE OF CONTENTS
IMPORTANT SAFETY INSTRUCTIONS …………………………………………………………………………………………………………………………………………………4-6
SELECT A LOCATION…………………………………………………………………………………………………………………………………………………………………………..7
FILLING YOUR SPA……………………………………………………………………………………………………………………………………………………………………………..8
DRAINING YOUR SPA…………………………………………………………………………………………………………………………………………………………………………8
UHS SYSTEM OPERATION…………………………………………………………………………………………………………………………………………………………………..9
HU2 SYSTEM OPERATION…………………………………………………………………………………………………………………………………………………………………10-12
HU2 DISPLAY MESSAGES…………………………………………………………………………………………………………………………………………………………………..12
HU2 CONVERSION FROM 120V TO 240V …………………………………………………………………………………………………………………………………………13-14
HU2 DIP SWITCH SETTINGS……………………………………………………………………………………………………………………………………………………………….15
EQUIPMENT OPERATION: AIR INJECTION VENTURI ADJESTMENT, SURFACE SKIM FILTER, & CLEANING THE FILTER CARTRIDGE…….16
WATER CHEMISTRY………………………………………………………………………………………………………………………………………………………………………….17-18
REPLACING THE LED LIGHT……………………………………………………………………………………………………………………………………………………………….18
FREEZE PROTECTION………………………………………………………………………………………………………………………………………………………………………..19
CLEANING YOU SPA, CARE FOR THE VINYL HARD COVER, AND SVERY DAY SOIL………………………………………………………………………………19
MOST FREQUENTLY ASKED QUESTIONS……………………………………………………………………………………………………………………………………………20
TROUBLESHOOTING GUIDE………………………………………………………………………………………………………………………………………………………………21
GLOSSARY OF TERMS……………………………………………………………………………………………………………………………………………………………………….22
WARRANTY……………………………………………………………………………………………………………………………………………………………………………………….23