Lochinvar 151 - 801 service manual Display panel parameter access

Page 11

Service Manual

1Service (continued)

Display panel parameter access

Table 1C This is a typical example of accessing a parameter, shown for parameter DHW Settings, TANK MIN Setpt

BUTTON

SCREEN

OPERATION

DISPLAY

 

STATUS

 

 

This example shows how to access parameter Temperature Settings. The first display shown is at the beginning of the menu listings, after entering the installer access code.

 

 

Rotate the NAVIGATION dial counterclockwise until

 

 

 

the arrow (>) is next to DHW SETTINGS.

 

 

 

 

 

 

 

Press the NAVIGATION dial one time.

 

 

 

 

 

 

 

Rotate the NAVIGATION dial counterclockwise until

 

 

 

the arrow (>) is next to TANK MIN SETPT.

 

 

 

 

 

 

 

Press the NAVIGATION dial one time.

 

 

 

 

 

 

 

Rotate the NAVIGATION dial to the desired

 

 

 

temperature.

 

 

 

 

 

 

[SAVE]

Press the RIGHT SELECT soft key [SAVE] one time.

 

 

 

 

 

 

[EXIT]

Press the LEFT SELECT soft key [EXIT] if all desired

 

 

changes have been made.

 

 

 

 

 

 

 

 

 

[HOME]

Press the LEFT SELECT soft key [HOME].

 

 

 

 

 

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Contents Models 151 Contents Niosh stated First Aid Please read before proceedingHandling ceramic fiber materials Troubleshooting What is in this manual?Service MaintenanceArmor water heater display ServiceControl inputs Smart System Control BoardControl outputs Smart System Control BoardSequence of operation Access modesGeneral Operation How the water heater operatesOperation Display Button Screen Operation Display Status Display panel menu accessDisplay panel parameter access General Parameter tableModes Viewable and changeable control parameters Anti-Cycling DHW SettingsData Logging FunctionsControl modes Circulation pumps Minimum On/Off TimeService Notification Owner maintenance Maintenance Maintenance and annual startupService technician Maintenance Check water heater relief valve Flue vent system and air pipingCheck water system Check expansion tankPerform start-up and checks Check ignition ground wiringCheck all water heater wiring Check control settingsOiled bearing circulators Check flame signalCleaning heat exchanger Review with ownerCheck the following TroubleshootingBefore troubleshooting Check control module fusesUnit Does Not No DisplayNo Burner OperationResistance Temperature Checking temperature sensorsTemperature F Resistance Ω Wire Color R/BK and Y Wire Color G and YOpening NoisyNo Pump Relief ValveFlow Switch Fault Description Corrective ActionFlame Fail Ign Anti-cyclingRunning No FlameHigh Limit Auto ResetManual Reset Flame SequenceFail Fan LowFan Speed Low GV/RelayDelta T High Sensor ShortedLouver Proving Flue Temp HighRem Ctrl Flt Service BlkOutlet Temp High Low 24 VAC Watch Dog ErrorNo Error Stored Fatal ErrorGas Supply Pressure Combustion Analysis ProcedureGas Valve Adjustment Or ObstructionModel Gas valve adjustment procedureModels 151 Models 601 4Gas Valve Adjustment Model

151 - 801 specifications

Lochinvar 151 - 801 is a high-efficiency commercial water heater designed to meet the demanding needs of various applications in the hospitality, healthcare, and educational sectors. This advanced system provides reliable hot water with enhanced performance while promoting energy conservation and sustainability.

One of the standout features of the Lochinvar 151 - 801 is its powerful heating capability. With a robust heating input of up to 150,000 BTU per hour, it ensures a steady supply of hot water even during peak demand times. The efficient heat exchanger design optimizes thermal performance, allowing for quicker recovery rates, which is essential for facilities requiring substantial hot water usage.

This model integrates cutting-edge technologies to maximize energy efficiency. Utilized in the Lochinvar 151 - 801 is the Smart System control technology, which provides precise temperature management and diagnostics. This feature not only enhances operation efficiency but simplifies service and maintenance by providing real-time data and alerts, leading to reduced downtime.

Additionally, the Lochinvar 151 - 801 employs a stainless-steel tank construction that promotes durability and robustness. The tank is adequately insulated to minimize heat loss, thus keeping energy costs down. Its compact design also allows for easy installation in various spaces, including those with limited footprints.

Moreover, the unit features advanced combustion technology, including a modulating gas valve that adjusts the flame size according to demand, promoting even greater efficiency. This ensures that the water heater operates at optimum performance levels, reducing fuel consumption while ensuring a consistent supply of hot water.

Safety is a primary concern for Lochinvar, and the 151 - 801 model includes several integrated safety features, such as an ignition safety shutoff and a temperature/pressure relief valve. These systems work together to provide peace of mind while ensuring the unit operates safely within its designated parameters.

In conclusion, the Lochinvar 151 - 801 is an exemplary choice for commercial applications, offering powerful performance, efficient technologies, durable construction, and enhanced safety features. With its combination of high output and advanced monitoring capabilities, it stands as a reliable solution for organizations seeking an effective hot water heating solution.
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