Table Of Contents - Smith HW 420 Instruction Manual

TABLE OF CONTENTS .................................................................................................................................................................................................. 2
GAS CONTROL DIAGRAM ............................................................................................................................................................................................ 3
WIRING DIAGRAM ........................................................................................................................................................................................................ 4
OPERATING SEQUENCE ............................................................................................................................................................................................. 5
OPERATING SEQUENCE WHEN WIRED AS SHOWN ........................................................................................................................................... 5
TESTING AND MAINTENANCE .................................................................................................................................................................................... 6
INSTRUCTIONS FOR TESTING AND MAINTENANCE ................................................................................................................................................ 7
DAILY CHECKS ......................................................................................................................................................................................................... 7
WEEKLY CHECKS .................................................................................................................................................................................................... 7
MONTHLY CHECKS ................................................................................................................................................................................................. 7
SEMI-ANNUAL CHECKS .......................................................................................................................................................................................... 7
ANNUAL CHECKS .................................................................................................................................................................................................... 7

TABLE OF CONTENTS

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