Lochinvar 81 - 286 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 81 Contents When servicing boiler Please read before proceedingKnight Boiler How it works Stainless steel heat exchangerModels 81 Model Ratings Knight Boiler =B=R RatingDetermine boiler location Installation must comply withCloset and alcove installations Before locating the boiler, check1Closet Installation Minimum Required Clearances 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 Gas conversions Prepare boilerRemove boiler from wood pallet Leveling the boilerGeneral venting Direct venting options Sidewall VentDirect venting options Vertical Vent Direct venting options Vertical Vent, Sidewall AirInstalling vent and air piping Install vent and combustion air pipingRequirements for installation in Canada PVC/CPVC vent piping materialsPVC/CPVC air intake/vent connections Vent Pipe, and FittingsAir inlet pipe materials Stainless steel ventBoiler Boiler FlueBoiler Flue Intake Air Adapter Termination Length Optional room airRemoving from existing vent Vent/air termination sidewall If using the alternate sidewall terminationSidewall direct venting Determine location2AClearance to Gravity Air Inlets Prepare wall penetrations Alternate Field Supplied Option Prepare wall penetrationsTermination and fittings Multiple vent/air terminationsSidewall termination optional concentric vent Sidewall termination installationDescription and usage 10 Concentric 12Concentric Vent Sidewall Attachment Multiventing sidewall terminationsVertical direct venting Vent/air termination verticalPrepare roof penetrations Multiple vent/air terminations 2Vertical Terminations with Multiple BoilersVertical termination installation Vertical termination optional concentric vent6Concentric Vent Roof Installation Multiventing vertical terminationsAlternate vertical concentric venting Concentric Venting ArrangementExisting vent as a chase 10Existing Vent as a ChaseHydronic piping Near boiler piping components Indirect water heaters Near boiler piping connectionsCirculator sizing StrainerModel FeetPressure Minimum Pipe Pump Size GrundfosVariable speed pump option Variable speed pump setupUP26-96 FC/VS IFC VS Stratos 1.25 3 x 4Single Boiler Single Temperature Zoned with Circulators Number of Units 6Single Boiler Multiple Temperatures Number of Units Model Required Pipe Sizes MAY Substitute Number of Units Model 10Multiple Boilers Non-Zoned Primary/Secondary Piping Connecting gas supply piping Gas connectionsNatural gas Propane GasCheck inlet gas supply Single Unit Natural Gas Pipe Capacity ChartLength of Pipe in Straight Feet for 1/2 PSI Gas 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 boiler2Operating Instructions Set space heating operation Natural Gas PropaneConfiguration of the cascade Verify DHW modeSet domestic hot water DHW operation Operating information GeneralProtection features Boiler temperature regulation Outdoor reset operation, if used CascadeSequence of operation Operation DisplayStandby, ready to start a new cycle Knight boiler control module Navigation DialInstaller Access modesUser Call for Heat Information Dial Function Owner maintenance Maintenance Maintenance and annual startupService technician See the Knight User’s Information Manual for InstructionsCheck water system MaintenanceFlue vent system and air piping Check expansion tankInspect boiler area Address reported problemsClean condensate trap Inspect boiler interiorCheck control settings Check ignition ground wiringCheck all boiler wiring Check flame signalOiled bearing circulators Cleaning boiler heat exchangerReview with owner Kit Part Component Number DescriptionDiagrams PC Interface2Wiring Diagram
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81 - 286 specifications

Lochinvar 81 - 286 is a state-of-the-art boiler recognized for its efficiency and reliability in both residential and commercial applications. This high-performance heating solution is designed to meet the diverse needs of users while adhering to modern environmental standards.

One of the standout features of the Lochinvar 81 - 286 is its advanced condensing technology. This allows the unit to harness more heat from the combustion gases, significantly boosting its thermal efficiency. With an impressive efficiency rating of over 95%, users can expect lower energy bills and reduced carbon emissions, making this boiler an environmentally friendly choice.

The Lochinvar 81 - 286 incorporates a robust stainless steel heat exchanger that guarantees durability and longevity. This corrosion-resistant material not only prolongs the unit's life but also ensures consistent performance over time. Additionally, the heat exchanger’s design facilitates optimal heat transfer, further enhancing the boiler's efficiency.

In terms of control, the Lochinvar 81 - 286 features a user-friendly control interface that simplifies operation. The boiler is equipped with advanced modulation capabilities, allowing it to adjust its output based on real-time heating demands. This responsiveness reduces energy waste and optimizes comfort levels within the space it serves.

The boiler also supports a variety of installation configurations, providing flexibility for different building layouts. Its compact design allows for easy installation in restricted spaces, while versatile venting options facilitate integration into various systems.

Safety is a paramount consideration in the design of the Lochinvar 81 - 286. The unit comes with integrated safety features such as a built-in diagnostic system that alerts users to any potential issues before they escalate. This proactive technology helps in maintaining seamless operation and reducing downtime.

Finally, the Lochinvar 81 - 286 is compliant with the latest regulations and industry standards, ensuring that it meets the expectations of both consumers and environmental agencies. With its impressive combination of efficiency, durability, and advanced technology, the Lochinvar 81 - 286 stands out as a top choice for anyone seeking a high-performance heating solution. This boiler not only addresses the immediate needs of heating but also supports long-term sustainability initiatives, proving to be a wise investment for the future.
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