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SUF100150, SUF100199 manual
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Contents
Main
SERVICE HANDBOOK
SUF 120 thru 400 SERVICE HANDBOOK
State Water Heaters Technical Traini ng Department 1 Ashland City, Tennessee 2009
TABLE OF CONTENTS
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GENERAL INFORMATION
GAS PRESSURE SPECIFICATIONS
1
HIGH ALTITUDE INSTALLATIONS SUF 120 - 150
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CONTROL OVERVIEW ALL MODELS
Status Icon Description
CONTROL OVERVIEW
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OPERA TION BUTTONS
UP AND DOWN BUTTONS
ADJUSTING TANK TEMPERATURE OPERATING SET POINT - DIFFERENTIAL
CHANGING THE DISPLAY UNITS
FAULT AND WARNING CONDITIONS ADVANCED DIAGNOSTIC INFORMATION
Page
SUF 120 thru 400 SERVICE HANDBOOK
VIEWING THE FAULT HISTORY - VIEW ING INFO R MATION ABOUT THE HEATER
CONTROL SEQUENCE (TYPICAL ALL MODELS)
State Water Heaters Technical Traini ng Department 21 Ashland City, Tennessee 2009
CONTROL SEQUENCE FLOW CHART
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CONTROLS PRESSURE SWITCHES ALL MODELS
BLOWER PROVING SWITCH
BLOCKED OUTLET PROVING SWITCH
BLOCKED INL ET PROVING SWITCH
LOW GAS PRESSURE SWITCH
CONTROLS PRESSURE SWITCHES SUF 120 throug h 250
Top View of Pressure Switches
Note: Check the website www.statewaterheaters.com
for Technical Bulletin S023-06 Air Pressure Switches under Literature/Service Handbooks
State Water Heaters Technical Traini ng Department 29 Ashland City, Tennessee 2009
CONTROLS PRESSURE SWITCHES SUF 300,400,
Note: Check the website www.statewaterheaters.com
for Technical Bulletin S023-06 Air Pressure Switches under Literature/Service Handbooks
Top View of Pressure Switches SUF 300,400,