Table Of Contents - State Water Heaters SEH-250 Instruction Manual

This manual contains the operating instructions for the commercial electric Xi control. It is intended to be used in conjunction with
the water heater instruction manual.
TABLE OF CONTENTS ........................................................2
SAFE INSTALLATION, USE AND SERVICE .........................3
Important Definitions ........................................................3
GENERAL SAFETY INFORMATION .....................................4
Precautions .....................................................................4
Hydrogen Gas (Flammable) .............................................4
GENERAL SAFETY INFORMATION .....................................5
APPROVALS ........................................................................6
MODEL AND RATING ..........................................................6
INTRODUCTION ..................................................................7
Abbreviations Used .........................................................7
Preparing for the Installation ............................................7
DIMENSIONS AND CAPACITIES DATA ................................8
FEATURES AND COMPONENTS ........................................9
FEATURES AND COMPONENTS ...................................... 10
LOCATING THE NEW WATER HEATER ............................ 11
Facts to Consider About the Location ............................ 11
REQUIRED ABILITY ...................................................... 11
General ......................................................................... 11
Chemical Vapor Corrosion ............................................. 11
INSTALLATION .................................................................. 11
Circulating Pump ........................................................... 12
Insulation Blankets ........................................................ 12
Temperature-Pressure Relief Valve ............................... 12

TABLE OF CONTENTS

ELECTRICAL ..................................................................... 13
ELECTRICAL AND RECOVERIES DATA ............................ 14
WIRING DIAGRAMS .......................................................... 15
OPERATION ...................................................................... 18
TEMPERATURE REGULATION ......................................... 19
CONTROL SYSTEM OPERATION ..................................... 20
MAINTENANCE ................................................................. 32
TROUBLESHOOTING CHECKLIST ................................... 35
WARRANTY ....................................................................... 36
NOTES ..........................................................................37-39
2
Closed Water Systems .................................................. 13
Thermal Expansion ........................................................ 13
General ......................................................................... 13
Branch Circuit ................................................................ 13
Heater Circuits .............................................................. 13
Control Circuits .............................................................. 14
Power Circuit ................................................................. 14
General ......................................................................... 18
Initial Start Up................................................................ 18
Draining The Water Heater ............................................ 18
High Temperature Limit Controls (Eco) .......................... 19
Thermostat Controls ...................................................... 19
Temperature Adjustment ................................................ 19
General ......................................................................... 32