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General| Model | DRE-120 |
|---|---|
| Capacity | 119 Gallons |
| Thermostat | Adjustable |
| Type | Electric |
| Tank Material | Glass Lined Steel |
| Warranty | 3 Years Limited |
Details the structure and equipment of the electrical heating device, adhering to European standards.
Explains the regulation and safety features of the device, including diagrams and explanations.
Describes the boil dry protection mechanism involving a float switch and its critical settings.
Provides instructions on how to test the float switch functionality and its contact resistance.
Presents technical specifications, including diagrams and measurements for different models.
Details technical specifications like tank capacity, power, and heating times for various models.
Covers general installation, water, and electrical connection requirements for installers.
Details space, frost protection, and installation by a recognised engineer.
Specifies maximum pressure, inlet combination, overflow, and T&P valve requirements.
Outlines electrical connection requirements and refers to electrical diagrams.
Provides an overview of electrical circuit diagrams for different model configurations.
Covers filling the device, putting it into operation, and taking it out of operation.
Step-by-step guide for filling the device with water and bleeding air.
Instructions for putting the device into operation and setting the desired temperature.
Guidance on how to safely put the device out of operation for various periods.
Explains temperature regulation, maximum thermostat function, and safety valve activation.
Details annual maintenance by a recognised engineer and precautions during service.
Procedure for checking and replacing the sacrificial anode to prevent corrosion.
Explains scale formation and recommends temperature settings and descaling methods.
Provides guidance on identifying and resolving common faults with the device.
Checks for incorrect water temperature, including thermostat settings and voltage.
Troubleshooting steps for identifying and fixing water leaks in the device and connections.
A table listing common faults, their causes, and suggested solutions.
Information on how to identify and order spare parts using the device's serial number.
Provides essential safety warnings and instructions for users, emphasizing professional installation.
Steps for the user to fill the device with water before initial operation.
Instructions for users on how to put the device into operation and its basic functions.
Recommends temperature settings for users to limit scaling and explains thermostat functions.
User instructions for safely putting the device out of operation for various periods.
Advice for users regarding inlet combination maintenance and annual service checks.
Guidance for users on handling faults, including switching off and contacting support.
Covers replacement or repair of parts (excluding tank) due to manufacturing faults within one year.
Details the 3-year warranty for tank leaks caused by rust or corrosion.
Lists conditions related to installation, use, water quality, and maintenance for warranty validity.
Specifies circumstances under which the warranty does not apply, such as external damage or misuse.
Defines the scope of the warranty, limited to free delivery of replaced parts ex warehouse.
Explains the process for submitting a warranty claim through the dealer or A.O. Smith.
States that A.O. Smith has no obligations beyond the specified warranty terms.
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