Lochinvar 400-801 operation manual Dial Function

Page 48

Outdoor Knight XL Installation & Operation Manual

8 Operating information

Status Display Screens (cont’d)

Section

 

 

Display

Description

 

 

 

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

 

 

shutdown.

(LEFT SELECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

key function)

 

 

LIMITS

 

 

adjust the limit settings.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOME

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

 

 

 

parameter changes.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SKIP

Press the LEFT SELECT key when in the Night Setback Screen to

 

 

 

access the Night Setback Skip Screen.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Turning the NAVIGATION dial will select the next or previous Status

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Screen.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pressing the NAVIGATION dial will show the next fault, NSB (Night

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Setback) trigger, or ramp delay setting.

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

Pressing the NAVIGATION dial will select the setting indicated by

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the cursor.

(NAVIGATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dial Function)

 

 

 

 

 

 

 

 

Pressing the NAVIGATION dial will display the Set Points Screen.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Turning the NAVIGATION dial will move the cursor up or down.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Turning the NAVIGATION dial will increase or decrease the current

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

setting.

 

 

 

 

 

 

 

 

 

 

 

 

 

SHDN

Press the RIGHT SELECT key to turn the boiler OFF.

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

Press the RIGHT SELECT key to turn the boiler ON.

F

 

 

 

 

 

 

 

 

 

 

 

NO

Press the RIGHT SELECT key to cancel the shutdown operation.

(RIGHT SELECT

 

 

 

 

 

 

 

 

 

 

 

key function)

 

 

 

 

 

 

 

 

 

 

 

SAVE

Press the RIGHT SELECT key to save the current change.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOME

Press the RIGHT SELECT key to return to the Status Screen and

 

 

 

upload parameter changes.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

48

Image 48
Contents Outdoor Knight XL Models 400 Contents When servicing boiler Please read before proceedingOutdoor Knight XL How it works Stainless steel heat exchangerModel Models 601 Ratings Outdoor Knight XL Boiler Ahri RatingInstallation must comply with Determine boiler locationBefore locating the boiler, check Provide clearances Outdoor vent / air intake locationFlooring and foundation Prevent combustion air contaminationInstall flue pipe assembly Models 400 Prepare boilerRemove boiler from wood pallet 3Install flue pipe assembly Models 701 Models 7014Installing Propane Orifice Model Gas conversions ModelModels 601 Leveling the boilerHydronic piping TEE with 1 Fitting on TOP Nipple Close Nipple Flow switch adjustment Near boiler piping componentsNear boiler piping connections Circulator sizingVariable speed pump option Head Feet Pressure20F 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 Temperature Wires to Loop Sensors 120VAC to Connecting gas supply piping Gas connectionsNatural gas Propane GasCheck inlet gas supply InchesGas valve replacement Gas pressureField wiring Installation must comply withLine voltage connections Low voltage connectionsOutdoor temperature sensor High gas pressure switchLow gas pressure switch ThermostatFlow switch Alarm contactsWiring of the cascade ModBus3Low Voltage Field Wiring Connections Condensate disposal Condensate drainFreeze protection when used Start-upCheck/control water chemistry Fill and test water systemCheck for gas leaks Check thermostat circuitsInspect/fill condensate system Inspect/check condensate lines and fittingsFinal checks before starting the boiler Start the boilerIf boiler does not start correctly Check system and boilerFor Your Safety Read Before Operating Set space heating operation Natural Gas PropaneVerify DHW mode Set domestic hot water DHW operationConfiguration of the cascade Operating information GeneralHow the boiler operates How the control module operatesTemperature control Protection featuresBoiler temperature regulation Outdoor reset operation, if used CascadeSequence of operation Operation DisplayStandby, ready to start a new cycle Access modes InstallerOutdoor Knight XL control module UserCall for Heat Information Dial Function Maintenance Maintenance and annual startup Service technicianOwner maintenance Maintenance Flue vent system and air piping Check water systemCheck expansion tank Check boiler relief valveCheck ignition ground wiring Check all boiler wiringCheck control settings Inspect ignition and flame sense electrodesCheck flame signal Cleaning boiler heat exchangerReview with owner Model Kit Part Component Number DescriptionDiagrams High Voltage2Ladder Diagram
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400-801 specifications

The Lochinvar 400-801 is a high-efficiency commercial boiler that embodies advanced engineering and cutting-edge technology. Designed for a variety of commercial applications, this boiler is known for its reliability, efficiency, and robust performance.

One of the standout features of the Lochinvar 400-801 is its high thermal efficiency, which can reach up to 99%. This efficiency not only reduces fuel consumption but also lowers operating costs, making it an economical choice for businesses seeking to minimize overhead. The boiler employs a stainless steel fire-tube heat exchanger that ensures optimal heat transfer and durability. This construction allows for enhanced resistance to corrosion, thereby extending the boiler's lifespan.

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Safety is paramount in the design of the Lochinvar 400-801. The boiler includes a comprehensive safety system that incorporates multiple safety interlocks and a venting system that prevents backflow and ensures safe exhaust. Moreover, the unit is designed to operate with minimal noise, making it suitable for environments where noise reduction is crucial.

Installation and maintenance of the Lochinvar 400-801 are straightforward, thanks to its compact design and multiple venting options. The low-profile construction allows for flexibility in placement, making it an ideal fit for tight spaces. Maintenance tasks are simplified with accessible components, minimizing downtime and ensuring the system operates efficiently over its lifespan.

In conclusion, the Lochinvar 400-801 stands out in the commercial boiler market with its blend of efficiency, reliability, and innovation. With its advanced technologies and features, businesses can achieve significant energy savings while ensuring comfortable and consistent heat for various applications. The Lochinvar 400-801 is an investment in quality and performance, backed by a well-established brand in the heating industry. Whether for a new installation or a replacement, this boiler offers a comprehensive solution for commercial heating needs.