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HTP HPW-50-6 User Manual

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LP-374 REV. 3.25.14

TABLE OF CONTENTS

PART 1

– GENERAL SAFETY INFORMATION .......................................................................................................................... 4

A. PRECAUTIONS .......................................................................................................................................................................... 4

B. WATER TEMPERATURE ADJUSTMENT .................................................................................................................................. 4

C. COMBUSTIBLE MATERIALS ..................................................................................................................................................... 5

D. INSTALLATIONS IN THE STATE OF CALIFORNIA .................................................................................................................. 5

E. MAINTENANCE CONSIDERATIONS ......................................................................................................................................... 5

F. HYDROGEN GAS ....................................................................................................................................................................... 5

G. SAFETY CONSIDERATIONS .................................................................................................................................................... 6

H. SAFETY CONTROLS ................................................................................................................................................................. 6

PART 2

– INSTALLATION INSTRUCTIONS ............................................................................................................................... 6

A. DETERMINING WATER HEATER LOCATION .......................................................................................................................... 6

B. REQUIRED CLEARANCES ........................................................................................................................................................ 7

C. CONDENSATE DRAIN ............................................................................................................................................................... 8

D. THERMAL EXPANSION ............................................................................................................................................................. 8

E. WATER SUPPLY CONNECTIONS ............................................................................................................................................. 8

F. CONDENSATION DRAIN TUBES ............................................................................................................................................ 10

G. RELIEF VALVE......................................................................................................................................................................... 10

H. TO FILL THE WATER HEATER ............................................................................................................................................... 11

I. ELECTRICAL CONNECTIONS .................................................................................................................................................. 11

PART 3

– CONTROLS............................................................................................................................................................... 12

A. CONTROL OVERVIEW ............................................................................................................................................................ 12

B. DISPLAY OVERVIEW ............................................................................................................................................................... 13

C. SETTING THE WATER TEMPERATURE ................................................................................................................................ 14

D. ADJUSTING THE FUNCTION MODE ...................................................................................................................................... 15

E. ABOUT THE USER INTERFACE FEATURE BUTTONS .......................................................................................................... 15

F. USING THE BUTTONS IN COMBINATION .............................................................................................................................. 15

G. DEMAND RESPONSE ............................................................................................................................................................. 16

PART 4

– MAINTENANCE, VACATION, AND CLEANING ...................................................................................................... 17

A. ROUTINE PREVENTIVE MAINTENANCE ............................................................................................................................... 17

B. DRAINING THE WATER HEATER ........................................................................................................................................... 17

C. VACATION AND EXTENDED SHUTDOWN ............................................................................................................................ 18

D. CLEANING THE FILTER .......................................................................................................................................................... 18

E. CLEARING THE CONDENSATION DRAIN TUBES ................................................................................................................. 18

PART 5

– INSTALLATION CHECKLIST ................................................................................................................................... 18

PART 6

– STARTUP: WHAT TO EXPECT ................................................................................................................................ 19

PART 7

– MAINTENANCE CHECKLIST AND ERROR CODES .............................................................................................. 22

INSTALLATION AND MAINTENANCE NOTES ..................................................................................................................................................... 24

HTP CUSTOMER INSTALLATION RECORD FORM ............................................................................................................................................. 25

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