Do you have a question about the A.O. Smith DEN-40 and is the answer not in the manual?
Voltage | 240V |
---|---|
Wattage | 9.6 kW |
Connection Size | 1/2" NPT |
Thermostat | Digital |
Type | Electric Tankless |
Capacity | Tankless |
Category | Tankless Electric |
Amperage | 40A |
Phase | Single |
Temperature Range | 80°F - 140°F |
Heating Element | Copper |
Safety Features | Overheat protection |
Explains safety alert symbols, hazard levels (DANGER, WARNING, CAUTION), and installer qualifications.
Defines "Qualified Installer" and highlights the importance of understanding safety messages.
Covers critical safety precautions including hydrogen gas, electrical safety, and temperature risks.
Guidance on reading the manual, understanding warnings, and planning the installation process.
Illustrates typical water heater installations for electronic control models.
Details factors for choosing a location, drain pans, and leak detection devices.
Specifies minimum clearances for servicing and provides a flood warning advisory.
States required installer skills and the need to comply with codes and regulations.
Covers toxic chemicals, circulating pumps, insulation, and T&P valve warnings.
Details T&P valve requirements, proper installation, and operation.
Explains thermal expansion effects in closed systems and the need for expansion tanks.
Guidance on branch circuit wire sizing based on codes and amperage.
Explains how to calculate heater amperage and size overcurrent protection.
Step-by-step guide for initial startup, filling, and checking connections.
Procedures for draining the water heater for shutdown or maintenance purposes.
Explains thermostat adjustments, scald hazards, and safe temperature settings.
Importance, procedure, and frequency for inspecting and replacing the anode rod.
Recommends periodic tank flushing and cleaning for sediment and scale removal.
Guides users on checking common problems like no hot water, sounds, and leaks.
Steps to check for water leakage from drain valve, relief valve, or elements.
Details warranty coverage, conditions, exceptions, and limitations on implied warranties.
Outlines how to initiate a warranty claim and lists disclaimers of responsibility.
Information and contact details required when ordering repair parts.