9.2

Troubleshooting table for general errors

 

 

 

 

 

 

 

 

 

 

 

 

 

Warning

 

 

 

 

 

 

 

 

Maintenance shall only be carried out by a service and maintenance engineer.

 

 

 

 

 

 

 

 

 

 

 

General errors

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Symptom

Cause

 

Solution

 

Remark

 

 

 

 

 

 

 

 

Gas smell

Gas leakage

 

Warning

 

Warning

 

 

 

 

Immediately close the mains gas supply valve.

 

Immediately contact the installation engineer or the local gas

 

 

 

 

 

 

 

company.

 

 

 

 

Warning

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Do not operate any switches.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Warning

 

 

 

 

 

 

 

No open fire!

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Warning

 

 

 

 

 

 

 

Ventilate the area the device has been installed in.

 

 

 

 

 

 

 

 

 

 

 

Water leakage

Leaking water con-

 

Tighten the threaded connection.

 

Contact the installation engineer if the leakage has not been

 

 

nection (thread)

 

 

 

 

remedied.

 

 

 

 

 

 

 

 

 

 

 

Leakage of conden-

 

Check if condensate is discharged. Restore this if necessary.

 

 

 

 

 

sate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Leakage from

 

Find the leakage.

 

 

 

 

 

another water device

 

 

 

 

 

 

 

 

or pipe nearby

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Leakage of the tank

 

Consult the supplier and/or the manufacturer.

 

 

 

 

 

of the device

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Explosive ignition

Incorrectly set

 

Set the correct CO2-value(3.11 “Check and adjust the CO2-value”)

 

Contact the installation engineer if the ignition has not improved.

 

 

CO2-value

 

 

 

 

 

 

 

 

Contaminated burner

 

Clean the burner (10.4.2 “Clean the burner”).

 

 

 

 

 

 

 

 

 

 

 

 

Instruction manual - TWI 35-130 G/TWI 45-190 G

44

Page 46
Image 46
A.O. Smith TWI 45-190, TWI 35-130 service manual Symptom Cause Solution Remark Gas smell, Water leakage, Explosive ignition

TWI 35-130, TWI 45-190 specifications

A.O. Smith TWI 35-130 and TWI 45-190 are high-efficiency water heaters designed to meet the diverse needs of residential and commercial applications. These units are part of A.O. Smith’s extensive product line, known for reliability, durability, and energy efficiency.

The TWI 35-130 model is a 35-gallon tank water heater, offering a first-hour delivery of 130 gallons. This capacity makes it suitable for households with moderate hot water demands. It features a compact design, allowing for easy installation in tighter spaces, which is ideal for urban settings. The unit operates on natural gas, promoting energy efficiency while reducing operational costs.

One of its main attributes is the advanced insulation technology that minimizes heat loss, thus enhancing overall energy efficiency. The TWI 35-130 is equipped with a state-of-the-art burner system that optimizes combustion for higher efficiency, translating to lower energy bills. Furthermore, it utilizes a dip tube that helps in delivering hot water promptly, ensuring that the demand for hot water is met swiftly.

On the other hand, the TWI 45-190 model caters to larger households or commercial settings with a 45-gallon capacity and a first-hour delivery of 190 gallons. This model also uses natural gas, but with a higher BTU rating, allowing for faster recovery rates, which is crucial during peak usage times.

Both models are designed with user-friendliness in mind, featuring intuitive controls that facilitate easy temperature adjustments and monitoring. Additionally, they incorporate safety features such as a temperature and pressure relief valve to prevent overheating and excessive pressure build-up, ensuring peace of mind for users.

Their innovative design also emphasizes longevity, with high-grade materials and protective coatings that resist corrosion and extend the lifespan of the tank. The TWI series stands out in the market not only for its performance and efficiency but also for its commitment to sustainability.

In summary, A.O. Smith's TWI 35-130 and TWI 45-190 water heaters bring together cutting-edge technology, efficiency, and reliability, making them excellent choices for both residential and commercial applications. With features designed to promote energy savings and user convenience, these models are poised to meet the hot water demands of modern life while adhering to high standards of safety and durability.