Changing the Display Units | State Industries SUF100150, SUF100199

ULTRAFORCE COMMERCIAL GAS WATER HEATER

SUF 120 thru 400 SERVICE HANDBOOK

CHANGING THE DISPLAY UNITS

The desktop menu has the option of selecting	ACTION:
between degrees Fahrenheit and degrees Celsius for	Press Update to accept the change or Cancel to
temperature displays. This can be found in the	reject it.
“Display Settings” menu. Also in this menu, you may	DISPLAY:
adjust how the back-light operates and the contrast of	DISPLAY:
the LCD screen.
ACTION:
From the Main Menu, press the DOWN button to
highlight "Display Settings" then press Select.
DISPLAY:

ACTION:

Use the UP and DOWN buttons to highlight the desired setting. Then press Change. Again, use the UP and DOWN buttons to scroll through the options for that setting.

DISPLAY:

State Water Heaters – Technical Training Department 16

Ashland City, Tennessee © 2009

Servicing should only be performed by a Qualified Service Agent

198152-002

Image 17

State Industries SUF100150, SUF100199 manual Changing the Display Units

Contents

Service Handbook Ultraforce Commercial GAS Water Heater Table of Contents Qualifications Introduction Digital Multimeter Tools Required General Information GAS Pressure Specifications High Altitude Installations SUF 120 Adjustment Procedure GAS Pressure SUF120 and 150 Models GAS Orifice High Altitude Installation SUF 300,400 High Altitude Adjustment SUF 300,400 Installation Tips SUF 300 Vent Length Table Equivalent Feet Meters 120 through Venting Tables SUF 120Venting Tables SUF 300,400 Vent Length Table Equivalent Feet Meters 300,400 Venting 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 Models Display Adjusting Tank Temperature Operating SET Point Differential Changing 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 CCB Controls GAS Valve SUF Important Note High Altitude Installation SUF 120 thru 400 Service Handbook Controls GAS Valve SUF 199 Supply gas pressure Orifice Chart SUF 300,400 Controls GAS Valve , Orifice CHART- SUF300,400 Blocked Outlet Proving Switch Controls Pressure Switches ALL Models Top View of Pressure Switches Blocked Inlet Pressure Switch Odel Pressure Controls Pressure Switches SUF 300,400 Ultraforce Commercial GAS Water Heater Flame Sensor HOT Surface Igniter / Flame Sensor / Control TimingControl Timing Model Blower Speed Control SUF 199 Ground HOT Neutral Blower Motor Wires Black White REDAI1 LI1 LI2 LI3 LI4 Voltage Frequency Speed Instructions VFD Model Variable Frequency Drive Blower Speed and Pressure ReadingsSUF 400 Wiring Diagram SUF 120 Wiring Diagram SUF Tennessee Waltz Parkway Ashland City, TN