SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL

GAS WATER HEATER SERVICE HANDBOOK

WATER HEATER CONTROL BOARD TROUBLESHOOTING AND DIAGNOSTIC LED INTERPRETATION

Conditions:

Power On

Red, heater control “Call for Heat” LED – on

Red, ignition control board diagnostic LED – Flashing

Note LED Flash Code before resetting heater.

LED Status

Indication

1

Flash

System is in lock out.

 

 

 

2

Flashes

Draft proving (pressure) switch failed to open within 5 seconds at the end of the last

 

 

cycle.

3

Flashes

Draft proving (pressure) switch failed to close ( -2.1 inches of water column pressure)

 

 

within 5 seconds after the inducer was started. The low gas pressure switch )closes

 

 

at 5.2" ± .04" w. c.) may have remained open (Nat Gas only.)

4 Flashes

Open on high temperature limit switch (ECO).

 

 

5 Flashes

Not Used

 

 

6 Flashes

115-volt supply power connection is indicating reversed polarity.

 

 

7 Flashes

Flame sensor reads a low flame signal for more than 4.25 sec.

 

 

 

8

Flashes

No ignition sensed.

 

 

Continuous Flash

Continuous flame sensed for more than 5 seconds without gas valve being energized.

 

 

Continuous ON

Internal control board failure.

*Control system self adjusts to use a minimum voltage for ignition. Lower voltage results in lower IGNITOR temperature which results in longer IGNITOR life. IGNITOR voltage may vary from Nominal 80 VAC.

State Water Heaters

34

Technical Training Department

Ashland City, Tennessee © 2007

 

 

Page 35
Image 35
State Industries SBD30 150, SBN85 390 (A), SBN71 120, SBD30 199, SERIES 108 manual Conditions

SBN71 120, SERIES 108, SBD30 150, SBD30 199, SBN85 390 (A) specifications

State Industries offers a range of innovative products designed to meet the diverse heating and cooling needs of both residential and commercial applications. Among their notable models are the SBN85 390, SBD30 199, SBD30 150, SERIES 108, and SBN71 120. Each model showcases distinct features and technologies that cater to varying climates and user requirements.

The SBN85 390 is known for its robust construction and efficient performance. It features enhanced thermal efficiency, making it ideal for environments demanding reliable heating solutions. This model is equipped with an advanced control system that enables precise temperature regulation, ensuring optimal comfort while minimizing energy consumption. Its compact design also allows for easy installation in tight spaces.

Meanwhile, the SBD30 199 and SBD30 150 are both built for versatility and user-friendly operation. These models utilize a high-efficiency heat exchanger that not only improves heat transfer but also promotes fuel savings. Furthermore, they are designed with low emissions technology, making them environmentally friendly options for conscientious consumers. With intuitive control panels, users can effortlessly adjust settings for maximum convenience.

The SERIES 108 offers advanced features aimed at enhancing user experience. With its high-performance blower system, it ensures consistent airflow and temperature distribution throughout the space. This model also includes smart technology that allows for remote monitoring and control via mobile devices, providing flexibility and convenience. Its durable construction ensures long-lasting performance even in harsh conditions.

Finally, the SBN71 120 stands out for its compact size combined with powerhouse performance. This model is particularly suitable for smaller applications where space is at a premium. Despite its size, it does not compromise on efficiency or power, making it a favored choice for users seeking effective heating solutions without occupying excessive floor space.

In summary, State Industries provides a comprehensive collection of heating and cooling products, each crafted with unique features tailored to meet specific user needs. From high efficiency and environmentally friendly technology to smart control systems, these models embody a commitment to quality and performance, ensuring they can withstand varied demands in both residential and commercial settings. With a focus on innovation, State Industries continues to deliver reliable solutions that prioritize comfort, efficiency, and sustainability.