American Water Heater 395T1996NOX, ULTRA LOW NOx SERIES 104, BCL, 381T1206NOX, 381T1546NOX manual

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8.Support the blower and burner assembly in a vertical position with the burner extending downward.

9.Remove the 3 brass locknuts holding the blower adapter to the flange plate.

10.Separate the blower from the flange plate.

11.Clean the flange plate surfaces removing any portions of the old burner gasket.

12.Remove the burner from the flange plate.

13.Insert the new burner into the flange plate and align the notch in the burner flange with the tab in the flange plate.

14.Install the new burner gasket over the three studs extending from the flange plate.

15.Install the blower assembly on the flange plate with the 3 brass locknuts. Torque the nuts to 60 in.lb.

16.Install the new skirt ring flange gasket on the flange plate.

17.Install the blower and burner assembly into the combustion chamber and engage the 4 studs through the mounting holes/slots in the flange plate. Install 4 flat washers and 4 brass locknuts on the studs and torque to 16 ft.lb.

18.Reconnect the gas line.

19.Reconnect the spark ignition cable and ground wire plus the flame sensor wire at their connection points on the flange plate.

20.Reconnect the blower's power supply. PWM control and pressure sensing tubing.

21.Check that all gas connections and fasteners are tight.

22.Turn on the gas supply and electricity to water heater.

10

Servicing should only be performed by a Qualified Service Technician

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Contents Commercial GAS Water Heaters For Models BCLPage Table of Contents Service Warning Service ReminderIntroduction QualificationsTools Required Installation Considerations Gas and Electrical CharacteristicsMultiple Appliance Installations GAS Pressure RequirementsAIR Supply MAKE-UP AIR Direct Communication with Outdoors Contaminated AIRPower Supply AIR RequirementsClosed Water Systems Thermal ExpansionFeatures and Components Blower and Burner Assembly Burner ReplacementPage Spark Igniter, Flame Sensor, Sight Glass Spark Igniter / Flame Sensor / Control TimingSpark Igniter Flame SensorInstallation Venting Category and Materials VentingMinimum Clearances BCL VentingExterior Clearances Venting Tables Technical Venting Data Type B GAS VentOperation and Service Sequence of OperationSequence of Operation Flow Chart YESFor Your Safety Read Before Operating Lighting and Operating LabelTroubleshooting Complaint Cause Remedy User Qualified AgencyControls Overview Control BOX Assembly Pressure Switches All ModelsHigh Limit SWITCH/ Digital Thermostat Display Lights Digital Thermostat LED Indication Action StatusContinuity Check of High Limit ECO ConditionsThen Upper Temperature Probe Continuity Check Ohms Resistance TableOhms Lower Temperature Probe Continuity Check Wiring Terminals Description Ignition ControlStart UP/ Flame RECOVERY/ Safety Lockout Start UP Heat ModeFlame FAILURE- Recycle Mode Failure to Light LockoutFault Conditions Troubleshooting Guide for Ignition ControlInternal Control Failure Flame Sensor Current CheckUGB Blower Speed Control SW2 SW4 Used forPIN Connections PIN Number Description Wiring Diagram American Water Heaters

381T1546NOX, 395T1996NOX, BCL, 381T1206NOX, 395T2506NOX specifications

The American Water Heater Ultra Low NOx Series represents a significant advancement in water heating technology, aiming to meet stringent environmental regulations while delivering reliable hot water for residential applications. Models such as the 104,395T1806NOX, 395T2506NOX, 381T1206NOX, and BCL are designed to prioritize efficiency, performance, and compliance with the latest emission standards.

One of the defining features of the Ultra Low NOx Series is its innovative combustion technology. These water heaters utilize a state-of-the-art gas burner that dramatically reduces nitrogen oxide (NOx) emissions, ensuring compliance with local and federal regulations. This technology not only benefits the environment but also contributes to improved indoor air quality.

Efficiency is a hallmark of the Ultra Low NOx Series, with models designed to maximize energy savings while delivering consistent hot water. They feature a user-friendly, adjustable thermostat, providing homeowners with the ability to set their desired water temperature for optimal comfort. In addition, the insulation on these water heaters is designed to minimize heat loss, ensuring that energy consumption is kept to a minimum.

The Ultra Low NOx models are equipped with an easy-to-use digital control panel that allows homeowners to monitor and adjust settings with ease. This convenience is enhanced by advanced diagnostics, which provide real-time alerts regarding system performance and maintenance needs. This proactive approach helps extend the lifespan of the unit and enhances reliability.

Safety is another crucial characteristic of the Ultra Low NOx Series. Each model is equipped with safety features such as a flame rollout switch and a fully automatic gas shut-off, which ensure that the system operates safely under various conditions.

In terms of installation and maintenance, these models are designed with user-friendly features, making the process simpler for technicians. The compact design allows for flexible installation options, even in tighter spaces.

Overall, the American Water Heater Ultra Low NOx Series, including the 104,395T1806NOX, 395T2506NOX, 381T1206NOX, and BCL models, represents an excellent choice for homeowners seeking an efficient, reliable, and environmentally responsible water heating solution. With a focus on reducing emissions and enhancing performance, these models are built to meet the demands of today's conscientious consumers.
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