A.O. Smith DSE-5 THRU DSE-120 warranty

CAUTION

TEXT PRINTED OR OUTLINED IN RED CONTAINS

INFORMATION RELATIVE TO YOUR SAFETY . PLEASE READ

THOROUGHLY BEFORE INSTALLING AND USING THIS

APPLIANCE.

KEEP THIS MANUAL WITH THE HEATER FOR FUTURE REFERENCE.

WHENEVER MAINTENANCE ADJUSTMENTS OR SERVICE IS REQUIRED.

PART NO. 60047-004 REV.6

SUPERSEDES PART NO. 60047-004 REV.5

A DIVISION OF A.O.SMITH CORPORATION

RENTON, WASHINGTON

www.hotwater.com

Dura-Power Electric Models

PRINTED IN U.S.A. 700

Contents

Main Installation Operation Maintenance Checklist Limited Warranty Dura-Power Electric Models DSE-5 THRU DSE-120 COMMERCIAL WATER HEATERS RECOVERY CAPACITY DIMENSIONS CONTENTS ASME APPROVALS MODEL & RATING PLATE FOREWORD Page GENERAL SAFETY INFORMATION INSULATION BLANKETS EXTERNAL DAMAGE INSTALLATION REQUIRED ABILITY RELIEF DEVICES TEMPERATURE LIMITING CONTROL HYDROGEN GAS (FLAMMABLE) CAUTION PIPING DIAGRAM ONE OR TWO TEMPERATURE - ONE HEATER ONE OR TWO TEMPERATURE - TWO HEATER ONE OR TWO TEMPERATURE - THREE HEATERS ONE OR TWO TEMPERATURE - FOUR HEATERS MEDIUM TEMPERATURE - ONE HEATER VERTICAL STORAGE TANK MEDIUM TEMPERATURE - ONE HEATER HORIZONTAL STORAGE TANK MEDIUM TEMPERATURE - TWO HEATERS HORIZONTAL STORAGE TANK MEDIUM TEMPERATURE - TWO HEATERS VERTICAL STORAGE TANK MEDIUM TEMPERATURE - THREE HEATERS HORIZONTAL STORAGE TANK MEDIUM TEMPERATURE - THREE HEATERS VERTICAL STORAGE TANK MEDIUM TEMPERATURE - FOUR HEATERS HORIZONTAL STORAGE TANK MEDIUM TEMPERATURE - FOUR HEATERS VERTICAL STORAGE TANK ELECTRICAL WARNING BRANCH CIRCUIT AMPERAGE TABLE/OVERCURRENT PROTECTION HEATER CIRCUITS CONTROL CIRCUIT POWER CIRCUIT WIRING DIAGRAMS Page 3-1 PHASE CONVERSIONS Page OPERATION FILLING TEMPERATURE REGULATION START UP DANGER MAINTENANCE DRAINING CAUTION FLUSHING SEDIMENT REMOVAL CHECKLIST REPLACEMENT PARTS REPLACEMENT PARTS LEAKAGE CHECKPOINTS MODEL DSE LIMITED WARRANTY