S U F S E R V I C E H A N D B O O K

I N T R O D U C T I O N

INTRODUCTION

This service handbook is designed to aid in servicing and troubleshooting State SUF 150, 199 and 240 water heaters. No duplication or reproduction of this book may be made without the express written authorization of the State Water Heaters Company.

The following text and illustrations will provide you with a step by step procedure to verify proper installation, operation and troubleshooting procedures. Additional quick reference data is included to assist you in servicing this product.

The information contained in this handbook is designed to answer commonly faced situations encountered in the oper- ation of the SUF product line and is not meant to be all inclusive. If you are experiencing a problem not covered in this handbook, please contact the State Technical Information Department at 1-800-365-0577 or your local State Represen- tative for further assistance. This handbook is intended for use by licensed plumbing professionals and reference should be made to the instruction manual accompanying the product. This handbook contains supplemental informa- tion to the SUF instruction manual.

Qualifications: Installation or service of this water heater requires ability equivalent to that of a licensed tradesman in the field involved. Plumbing, venting, gas supply and electrical testing skills are required.

Tools Required:

Phillips head and flat tip screw drivers

Set of marked drill bits

Electric multimeter tester

Gas pressure gauge or manometer (gauge — part number 8099-2)

Water pressure gauge (part number 4798)

Digital manometer or draft gauge

Thermometer (part number 4870 — range 0 thru 220°F)

1/2”, 1” and 11/8” sockets

Pipe wrench for union disconnect

NOTE Also, have a copy of the instruction manual for the model and series SUF that you are servicing.

Technical Training Department

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State Water Heaters

STC-077

Ashland City, Tennessee © 2004

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State Industries STC-077 dimensions Introduction, Tools Required

STC-077 specifications

The State Industries STC-077 is a notable addition to the realm of high-efficiency water heaters, exemplifying advanced engineering and innovative design. The STC-077 is particularly recognized for its exceptional performance and energy-saving capabilities, making it an ideal solution for both residential and commercial applications.

One of the standout features of the STC-077 is its impressive energy efficiency rating. Utilizing state-of-the-art technology, this water heater operates with a high energy factor (EF) that significantly reduces operating costs compared to traditional water heating systems. This is especially beneficial in today's climate of rising energy costs and increased environmental awareness.

The STC-077 employs a robust stainless-steel tank construction that not only provides durability but also mitigates the risk of corrosion, ensuring longevity and reliability. This innovative design approach helps extend the product's lifespan while maintaining consistent performance throughout its use. Coupled with superior insulation, users can expect minimal heat loss and enhanced energy efficiency, making it a sustainable choice for consumers.

The unit is equipped with advanced controls that provide precise temperature regulation. This feature improves user experience and safety, allowing for customization to meet individual needs. Additionally, the STC-077’s intuitive digital display makes monitoring and adjusting settings straightforward, providing convenience and ease of use.

In terms of capacity, the STC-077 offers versatility with options suitable for various household sizes and demands. Whether for a small apartment or a busy commercial establishment, its modular design allows for seamless integration into existing systems while providing adequate hot water supply.

Furthermore, the STC-077 incorporates innovative technologies aimed at reducing maintenance needs. With easy access for servicing and built-in diagnostics, users can monitor performance proactively, ensuring the unit operates at optimal efficiency.

Overall, the State Industries STC-077 shines as a forward-thinking water heater. Its combination of high energy efficiency, durable construction, advanced technology, and user-friendly features make it a comprehensive solution for those seeking reliable hot water with minimal environmental impact. Whether for homeowners looking to lower energy bills or businesses seeking dependable performance, the STC-077 stands out as a premier choice in water heating solutions.