State Industries SUF100199 manual Fault and Warning Conditions Advanced Diagnostic Information

Page 18

ULTRAFORCE COMMERCIAL GAS WATER HEATER

SUF 120 thru 400 SERVICE HANDBOOK

FAULT AND WARNING CONDITIONS – ADVANCED DIAGNOSTIC INFORMATION

This water heat er c ontrol has t he abil ity to m onitor almost all aspects of the water heater's operation. In the c ase t hat there i s an undes irable or uns afe condition t hat o ccurs, t he water heat er control will detect t his c ondition and determine the appropriate action. T he w ater heat er c ontrol will di splay t he information on the desktop in plain text that accurately describes the condition and diagn ostics i nformation that can be used to correct the issue.

There are t wo t ypes o f c onditions t hat c an oc cur during operation. These are Warnings and Faults:

Warnings: This is a non-safety related condition that the c ontrol has det ected t hat m ay c ause the water heater to operate in a less than optimal condition, but does not pose a safety concern.

NOTE: When t hese conditions oc cur, continued heating cycles will continue and the heater will attempt to regulate the water in the tank to the Operating Set

Point.

Example of a Warning:

Faults: This is a safety related condition that has been detected by the heater.

NOTE: When these conditions occur, the water heater WILL NOT CONTINUE any further heating cycles and the water will no longer be heated until the condition is corrected and, in most cases, power has been cycled.

Example of a Fault:

Advanced Diagnostic Information

When a fault or warning has been declared, advanced information can be found in the control. By pressing the A dvanced but ton, det ailed i nformation can be found regarding diagnosing and resolving the problem.

WARNING: Usage of the Advanced information requires ability equivalent to that of a licensed tradesmen in the field involved.

State Water Heaters – Technical Training Department 17

Ashland City, Tennessee © 2009

Servicing should only be performed by a Qualified Service Agent

198152-002

Image 18
Contents Service Handbook Table of Contents Ultraforce Commercial GAS Water HeaterIntroduction QualificationsTools Required Digital MultimeterGAS Pressure Specifications General InformationAdjustment Procedure GAS Pressure SUF120 and 150 Models High Altitude Installations SUF 120High Altitude Installation GAS OrificeHigh Altitude Adjustment SUF 300,400 SUF 300,400Installation Tips SUF 300 Venting Tables SUF 300,400 Venting Tables SUF 120Vent Length Table Equivalent Feet Meters 120 through Vent Length Table Equivalent Feet Meters 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 Control Overview ALL Models Status Description IconAdjusting Tank Temperature Operating SET Point Differential DisplayChanging 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 Controls Central Control Board CCB Remove these Screws to release CoverControls GAS Valve SUF SUF 120 thru 400 Service Handbook Controls GAS Valve SUF 199 Important Note High Altitude InstallationSupply gas pressure Controls GAS Valve , Orifice CHART- SUF300,400 Orifice Chart SUF 300,400Controls Pressure Switches ALL Models Blocked Outlet Proving SwitchTop View of Pressure Switches Controls Pressure Switches SUF 300,400 Blocked Inlet Pressure Switch Odel PressureUltraforce Commercial GAS Water Heater HOT Surface Igniter / Flame Sensor / Control Timing Control TimingFlame Sensor Blower Speed Control SUF 199 ModelAI1 Blower Motor Wires Black White REDGround HOT Neutral LI1 LI2 LI3 LI4SUF Variable Frequency Drive Blower Speed and Pressure ReadingsVoltage Frequency Speed Instructions VFD Model 400Wiring Diagram SUF 120 Wiring Diagram SUF Tennessee Waltz Parkway Ashland City, TN