Lochinvar 801, 400 operation manual Information

Page 70

Installation & Operation Manual

11 Operating information

Status Display Screens (cont’d)

Section

Display

Description

 

SYSTEM:

The temperature read by the system supply sensor (if connected).

 

 

 

 

TANK:

The temperature read by the tank sensor (if connected).

 

 

 

 

OUTDOOR:

The temperature read by the outdoor sensor (if connected).

 

 

 

 

INLET TEMP:

The temperature read at the inlet to the heat exchanger.

 

 

 

 

OUTLET TEMP:

The temperature read at the outlet of the heat exchanger.

 

 

 

 

DELTA T:

The temperature difference between the inlet and the outlet of the

 

heat exchanger.

 

 

 

 

 

 

FLUE TEMP:

The temperature read by the flue sensor.

 

 

 

 

FLAME CURRENT:

The current measured by the flame sense circuit.

 

 

 

 

FAN SPEED:

The speed of the combustion blower.

C

 

 

BOILER PUMP:

The status of the boiler pump output.

(Operational

 

 

SYSTEM PUMP:

The status of the system pump output.

Information)

 

 

DHW PUMP:

The status of the DHW pump output.

 

 

 

 

 

BMS VOLTAGE:

The voltage received from a BMS system.

 

 

 

 

BLR PUMP OUTPUT:

The speed signal sent to a variable speed boiler pump in percent.

 

 

 

 

SYS PUMP INPUT:

The speed signal received from a variable speed system pump control.

 

 

 

 

RATE OUTPUT:

A 0 - 10V signal indicating the firing rate of the boiler.

 

 

 

 

SH RUN HOURS:

The total hours of operation in the Space Heating Mode.

 

 

 

 

SH CYCLES:

The total burner cycles in the Space Heating Mode.

 

 

 

 

DHW RUN HOURS:

The total hours of operation in the DHW Mode.

 

 

 

 

DHW CYCLES:

The total burner cycles in the DHW Mode.

 

 

 

 

LAST 10 FAULTS NO:*

The last 10 lockouts.

 

 

 

 

MENU

Press and hold the LEFT SELECT key for 5 seconds to enter the Menu

 

Screen.

 

 

 

 

 

 

EXIT

Press the LEFT SELECT key to exit the current screen or setting.

D

 

 

YES

Press the LEFT SELECT key to confirm that the boiler needs to

(LEFT SELECT

shutdown.

 

key function)

LIMITS

Press the LEFT SELECT key to enter the screen that allows you to

 

adjust the limit settings.

 

 

 

 

 

 

HOME

Press the LEFT SELECT key to return to the Status Screen and upload

 

parameter changes.

 

 

 

 

 

70

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Contents Models 400 Contents When servicing boiler Please read before proceedingKnight XL How it works Stainless steel heat exchangerModel Models 601 Ratings Knight XL Boiler =B=R RatingDetermine boiler location Installation must comply withCloset and alcove installations Before locating the boiler, checkAlcove Installation Vent and air piping Residential garage installationProvide air openings to room Flooring and foundationProducts to avoid When using an existing vent system to install a new boilerAreas likely to have contaminants When removing a boiler from existing common vent system Remove boiler from wood pallet Prepare boilerGas conversions Model Models 601 Leveling the boilerGeneral venting Direct venting options Vertical Vent Installing vent or air piping Install vent and combustion air pipingRequirements for installation in Canada General ventingPVC/CPVC air intake/vent connections Vent Pipe, and FittingsAir inlet pipe materials Stainless steel ventFasNSeal Saf-T Vent Stainless Steel Air Intake/vent ConnectionsOptional room air Removing from existing ventModel Description Kit Number Air contaminationVent/air termination sidewall If using the alternate sidewall terminationSidewall direct venting Determine location3AClearance to Gravity Air Inlets Prepare wall penetrations Bird Screen TypicalMultiple vent/air terminations Prepare wall penetrations Alternate Field Supplied OptionTermination and fittings Sidewall termination installation Description and usage9Concentric Vent Dimensional Drawing Models 400 11Concentric Vent Sidewall Attachment Multiventing sidewall terminationsVertical direct venting Vent/air termination verticalPrepare roof penetrations Multiple vent/air terminationsVertical termination installation 4Concentric Vertical TerminationMultiventing vertical terminations Mm see -9,Alternate vertical concentric venting Concentric Venting ArrangementExisting vent as a chase 10Existing Vent as a ChaseLow water cutoff device Hydronic pipingSystem water piping methods General piping information Chilled water systemHydronic piping Flow switch adjustment Near boiler piping componentsCirculator sizing Near boiler piping connectionsVariable speed pump option Pressure Head Feet20F 25F 30F 35F Model 7Single Boiler Multiple Temperatures 8Single Boiler Primary/Secondary Piping Number of Units Manifold Pipe Sizes in Inches mm10Multiple Boilers Primary/Secondary Piping Loop Connecting gas supply piping Gas connectionsNatural gas Propane GasCheck inlet gas supply InchesGas valve replacement Gas PressureLine voltage connections Field wiringInstallation must comply with Low voltage connectionsHigh gas pressure switch Outdoor temperature sensorLouver proving switch Low gas pressure switchWiring of the cascade Flow switchAlarm contacts ModbusManual Condensate disposal Condensate drainCheck/control water chemistry Freeze protection when usedStart-up Fill and test water systemInspect/fill condensate system Check for gas leaksCheck thermostat circuits Inspect/check condensate lines and fittingsIf boiler does not start correctly Final checks before starting the boilerStart the boiler Check system and boilerFor Your Safety Read Before Operating Set space heating operation Natural Gas PropaneSet domestic hot water DHW operation Verify DHW modeConfiguration of the cascade Operating information GeneralProtection features Boiler temperature regulation Outdoor reset operation, if used CascadeSequence of operation Operation DisplayStandby, ready to start a new cycle Knight XL control module Navigation DialInstaller Access modesUser Call for Heat Information Dial Function Service technician Maintenance Maintenance and annual startupInstructions Clean condensate trap Check all piping for leaks MaintenanceAddress reported problems Inspect boiler areaCheck expansion tank Flue vent system and air pipingCheck water system Check boiler relief valveCheck control settings Check ignition ground wiringCheck all boiler wiring Inspect ignition and flame sense electrodesReview with owner Check flame signalCleaning boiler heat exchanger Model Kit Part Component Number DescriptionDiagrams LOW Voltage 120 VAC High Voltage2Ladder Diagram Page KBXII-I-O Rev D
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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.
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