Lochinvar 400, 801 service manual Description, See User Access Installer Access Display Modify

Page 17

Service Manual

1 Service (continued)

Parameter table

Table 1-4(continued from previous page) This table lists SMART SYSTEM control module parameters and where to access them

Menu

OUTDOORRESET

-ANTI CYCLING

CONTROL MODES

PUMPSCIRCULATION

Description

Boost Temperature

Boost Time

Anti-Cycling Time

Anti-Cycling Override Differential

Ramp Delay

Ramp Settings

Controlling Sensor

BMS Tstat Input

BMS

ModBus

ModBus T/O

Cascade Address

Cascade Type

Max Cascade Set Point

Cascade Offset

Cascade Differential

Min On/Off Time

Min Next On Time

System Pump Delay

Boiler Pump Delay

DHW Pump Delay

Boiler Pump Anti-Seize Delay

Boiler Pump Min Voltage

System Pump Type

DHW Pump Anti-Seize Delay

System Pump Anti-Seize Delay

See

User Access

Installer Access

Page

Display

Modify

Display

Modify

23

No

No

Yes

Yes

23

No

No

Yes

Yes

23

No

No

Yes

Yes

23

No

No

Yes

Yes

23

No

No

Yes

Yes

24

No

No

Yes

Yes

24

No

No

Yes

Yes

24

No

No

Yes

Yes

24

No

No

Yes

Yes

25

No

No

Yes

Yes

25

No

No

Yes

Yes

25

No

No

Yes

Yes

25

No

No

Yes

Yes

25

No

No

Yes

Yes

25

No

No

Yes

Yes

25

No

No

Yes

Yes

25

No

No

Yes

Yes

25

No

No

Yes

Yes

26

No

No

Yes

Yes

26

No

No

Yes

Yes

26

No

No

Yes

Yes

26

No

No

Yes

Yes

26

No

No

Yes

Yes

26

No

No

Yes

Yes

26

No

No

Yes

Yes

26

No

No

Yes

Yes

 

 

 

 

 

17

Image 17
Contents Models 400 Contents Niosh stated First Aid Please read before proceedingHandling ceramic fiber materials When servicing boiler Service What is in this manual?Maintenance TroubleshootingNear boiler piping ServiceNavigation Dial Knight XL displayLOW Voltage Connection Board Control inputsControl outputs Smart Control ModuleGeneral Operation Access modesHow the boiler operates How the control module operatesOperation Display From previous page Sequence of Operation Button Screen Operation Display Status Display panel menu accessButton Screen Status Operation Display Display panel parameter accessMenu Description See User Access Installer Access Display ModifyParameter table DHW Settings Resetoutdoor Description See User Access Installer Access Display ModifyBMS Service Notification Viewable and changeable control parameters Temperature units C / FTime and Date Software VersionFunctions Temperature SettingsData Logging DHW Settings Outdoor Reset Anti-Cycling Control modes Ramp SettingsControlling Sensor BMS Thermostat InputMinimum On/Off Time Cascade OffsetCirculation pumps Service Notification Owner maintenance Maintenance Maintenance and annual startupService technician Maintenance Check water system Flue vent system and air pipingCheck expansion tank Check boiler relief valveCheck all boiler wiring Check ignition ground wiringCheck control settings Inspect ignition and flame sense electrodesCleaning boiler heat exchanger Check flame signalReview with owner Model Kit Part Component Number DescriptionBefore troubleshooting TroubleshootingCheck control module fuses Check the followingNo Burner No DisplayOperation Unit DoesTemperature Resistance Temperature Resistance Checking temperature sensorsWire Color R/BK and Y Wire Color G and Y Resistance TemperatureNo Pump NoisyBoiler Pump System PumpTroubleshooting Open Temp SwAnti-cycling Flame Fail IgnFlame Sequence Cont’dOutlet Mrhl Outlet ArhlFan Speed Low Fan Low/HighHigh GV/RelaySensor Shorted FaultLouver Proving Inlet SensorFatal Error Flue Sensor FaultMemory Error Flue Temp DiffOutlet Temp Flue Temp HighDelta T High Watch Dog Error Service BlkNo Error Stored Rem Ctrl FltCombustion Analysis Procedure Models 601 Gas valve adjustment procedureModel
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400, 801 specifications

The Lochinvar 801,400 is a cutting-edge solution in the realm of high-efficiency commercial water heating. This model represents a significant advancement in the design and functionality of water heaters, catering primarily to the demands of large-scale facilities like hotels, hospitals, and large industrial operations.

One of the standout features of the Lochinvar 801,400 is its impressive heating capacity, which can produce up to 801,400 BTUs, making it suitable for high-demand applications. This output is crucial for establishments that require a consistent supply of hot water, such as commercial kitchens and laundry facilities. The robust design ensures that it can handle peak demand periods without compromising performance.

Another significant aspect is the innovative use of advanced technology in its operation. The Lochinvar 801,400 integrates smart controls that enhance its efficiency and ease of operation. These controls allow for precise monitoring and adjustment of water temperatures, ensuring that the system operates within optimal parameters while maximizing energy savings. The intelligent monitoring system can provide real-time updates, making it easier for facility managers to keep track of performance and address maintenance needs proactively.

The construction of the Lochinvar 801,400 incorporates durable materials that not only enhance the longevity of the unit but also offer resistance to corrosion and wear. This durability translates into lower maintenance costs and an extended lifespan for the unit, making it a worthwhile investment for businesses.

Moreover, the Lochinvar 801,400 is designed with energy efficiency in mind. It boasts a high thermal efficiency rating, which reduces operational costs and minimizes the carbon footprint of heating operations. This efficiency is critical in today’s environmentally conscious market, where businesses are seeking to reduce their energy consumption and comply with strict regulations.

The design of the Lochinvar 801,400 also prioritizes safety, featuring innovative safety controls and fail-safes that protect both the unit and the users.

In summary, the Lochinvar 801,400 offers a combination of high capacity, advanced technology, durability, and energy efficiency, making it an excellent choice for commercial water heating solutions. As industries continue to evolve, the demand for reliable and efficient water heating solutions like the Lochinvar 801,400 will only increase.