State Industries SUF100150, SUF100199 Venting ALL Models Single Pipe Power Vent Using Room AIR

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ULTRAFORCE COMMERCIAL GAS WATER HEATER

SUF 120 thru 400 SERVICE HANDBOOK

VENTING - ALL MODELS – SINGLE PIPE POWER VENT – USING ROOM AIR

State Water Heaters – Technical Training Department 10

Ashland City, Tennessee © 2009

Servicing should only be performed by a Qualified Service Agent

198152-002

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Contents Service Handbook Ultraforce Commercial GAS Water Heater Table of ContentsQualifications IntroductionDigital Multimeter Tools RequiredGeneral Information GAS Pressure SpecificationsHigh Altitude Installations SUF 120 Adjustment Procedure GAS Pressure SUF120 and 150 ModelsGAS Orifice High Altitude InstallationSUF 300,400 High Altitude Adjustment SUF 300,400Installation Tips SUF 300 Vent Length Table Equivalent Feet Meters 300,400 Venting Tables SUF 120Vent Length Table Equivalent Feet Meters 120 through Venting Tables SUF 300,400Venting ALL Models Single Pipe Power Vent Using Room AIR Venting ALL Models TWO Pipe Direct Vent Using Outside AIR Vent Termination Direct Vent ALL Models Direct Venting ALL Models Status Description Icon Control Overview ALL ModelsDisplay Adjusting Tank Temperature Operating SET Point DifferentialChanging the Display Units Fault and Warning Conditions Advanced Diagnostic Information Access to the Current Fault or Warning Viewing Information About the Water Heater Control Sequence Typical ALL Models Control Sequence Flow Chart Remove these Screws to release Cover Controls Central Control Board CCBControls GAS Valve SUF Important Note High Altitude Installation SUF 120 thru 400 Service Handbook Controls GAS Valve SUF 199Supply gas pressure Orifice Chart SUF 300,400 Controls GAS Valve , Orifice CHART- SUF300,400Blocked Outlet Proving Switch Controls Pressure Switches ALL ModelsTop View of Pressure Switches Blocked Inlet Pressure Switch Odel Pressure Controls Pressure Switches SUF 300,400Ultraforce Commercial GAS Water Heater Flame Sensor HOT Surface Igniter / Flame Sensor / Control TimingControl Timing Model Blower Speed Control SUF 199LI1 LI2 LI3 LI4 Blower Motor Wires Black White REDGround HOT Neutral AI1400 Variable Frequency Drive Blower Speed and Pressure ReadingsVoltage Frequency Speed Instructions VFD Model SUFWiring Diagram SUF 120 Wiring Diagram SUF Tennessee Waltz Parkway Ashland City, TN