State Industries SBD30 150, SBN85 390 (A) VAC Check of Blower Prover/Low Gas Pressure Circuit

Models: SBN71 120 SERIES 108 SBD30 150 SBD30 199 SBN85 390 (A)

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

GAS WATER HEATER SERVICE HANDBOOK

TEST 6 - INDUCER ON

NO IGNITION

Conditions:

 

Power on

Plugs in receptacles

Inducer operating

No power to Hot Surface IGNITOR (HSI) Note LED flash code

INDUCER EXHAUST/

VENT CONNECTION

DRAFT PROVING

PRESSURE

SWITCH

LOW GAS

PRESSURE

SWITCH

INDUCER

MOTOR

TEST 6

24 VAC Check of Blower Prover/Low Gas Pressure Circuit

If…

 

then

 

 

ignition board receptacles E1, Pin 7 to ground shows no voltage

replace Ignition board

 

 

 

E1, Pin 7 has 24 Volt to ground

 

check wire connection to and from inducer

voltage check of each blower switch terminal to ground shows

Switch is open - check for proper draft (should also see LED 3 flash

voltage to only 1 terminal

 

code)...Check for blocked exhaust.... Check that blower outlet exhaust

 

 

damper is open....Replace blower (draft) proving switch

Natural Gas ONLY!

 

 

24V is present from each switch terminal to ground

Check wiring from blower switch to low gas pressure switch

 

 

Voltage check to each terminal of low gas pressure switch and

Switch is open - test for a minimum of 5.2 ± " W.C. Natural Gas or

ground shows only voltage on 1terminal

 

10.5" Propane, flowing supply gas pressure (should also see 3 Flash

 

 

LED code)..............Replace low gas pressure switch

Voltage is present to each pressure switch terminal and ground

Check wiring from low gas pressure switch to ignition board

 

 

receptacles E1, Pin 10

State Water Heaters

39

Technical Training Department

Ashland City, Tennessee © 2007

 

 

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State Industries SBD30 150, SBN85 390 (A), SBN71 120, SBD30 199 manual VAC Check of Blower Prover/Low Gas Pressure Circuit

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.