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

T R O U B L E S H O O T I N G

TRANSFORMER

STEP 2

120 VAC TO TRANSFORMER

STEP 2: CHECK FOR 120 VAC TO TRANSFORMER FROM PIN 1 AND 2 ON CONTROL BOARD CN4 TERMINAL.

Condition:

Disconnect CN4 plug from control board.

On/Off switch is on.

Check for 120 VAC between pin 1 and 2 at CN4 on the control board as illustrated above. Perform this test with the CN4 plug disconnected and the On/Off switch turned on.

IF…

 

THEN

 

 

 

 

 

 

120

VAC is not present

check CN1 plug connection

replace control board if Step 1 has been performed and results were successful.

 

 

 

 

 

120

VAC is present

reconnect CN4 plug to control board, continue to Step 3.

 

 

 

State Water Heaters

19

Technical Training Department

Ashland City, Tennessee © 2004

STC-077

Page 20
Image 20
State Industries STC-077 dimensions VAC to Transformer

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.