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

SMALL COMMERCIAL WIRE DIAGRAM

SINGLE PHASE

SMALL COMMERCIAL WIRE DIAGRAM

300-600V / 3PH

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