Lochinvar 800 operation manual For Your Safety Read Before Operating

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Installation & Operation Manual

10 Start-up(continued)

Figure 10-2Operating Instructions

FOR YOUR SAFETY READ BEFORE OPERATING

WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury, or loss of life.

A.This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand.

B.BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS

•Do not try to light any appliance.

•Do not touch any electric switch; do not use any phone in your building.

•Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

•If you cannot reach your gas supplier, call the fire department.

C.Use only your hand to turn the gas control knob. Never use tools. If the handle will not turn by hand, don’t try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion.

D.Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.

OPERATING INSTRUCTIONS

1.STOP! Read the safety information above on this label.

2.Set the thermostat to lowest setting.

3.Turn off all electric power to the appliance.

4.This appliance is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand.

5.Remove top cover.

6.Turn gas shutoff valve counterclockwise to “OFF”. Handle will be perpendicular to pipe. Do not force.

7.Wait five (5) minutes to clear out any gas. If you then smell gas, STOP! Follow “B” in the safety information above on this label. If you don’t smell gas, go to next step.

8.Turn gas shutoff valve clockwise to “ON”. Handle will be parallel to pipe.

9.Install top cover.

10.Turn on all electric power to appliance.

11.Set thermostat to desired setting.

12.If the appliance will not operate, follow the instructions “To Turn Off Gas To Appliance” and call your service technician or gas supplier.

TO TURN OFF GAS TO APPLIANCE

1.Set the thermostat to lowest setting.

2.Turn off all electric power to the appliance if service is to be performed.

3.Remove top cover.

4.Turn gas shut off valve counterclockwise to “OFF”. Handle will be perpendicular to pipe. Do not force.

5.Install top cover.

LBL2284 REV -

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Contents Save this manual for future reference Models 399Contents Please read before proceeding When servicing boilerKnight XL How it works Model Air pressure switch Pump relay boardModels 600 Knight XL Boiler =B=R Rating RatingsCloset and alcove installations Installation must comply withDetermine boiler location Before locating the boiler, checkTOP For closet installations, Cpvc orProvide air openings to room Residential garage installationVent and air piping Flooring and foundationAreas likely to have contaminants When using an existing vent system to install a new boilerProducts to avoid When removing a boiler from existing common vent system Remove boiler from wood pallet Prepare boilerModel Gas conversionsModels 600 Leveling the boilerGeneral venting Direct venting options Vertical Vent Requirements for installation in Canada Install vent and combustion air pipingInstalling vent or air piping General ventingMake PVC/CPVC air intake/vent connectionsApproved Stainless Steel Vent Manufacturers Stainless steel vent Air inlet pipe materialsStainless steel air intake/vent connections FasNSeal Saf-T VentRemoving from existing vent Optional room airAir contamination Model Description Kit NumberSidewall direct venting If using the alternate sidewall terminationVent/air termination sidewall Determine location3AClearance to Gravity Air Inlets Bird Screen Typical Prepare wall penetrationsTermination and fittings Prepare wall penetrations Alternate Field Supplied OptionMultiple vent/air terminations Description and usage Sidewall termination installation9Concentric Vent Dimensional Drawing Models 399 Multiventing sidewall terminations 11Concentric Vent Sidewall AttachmentVent/air termination vertical Vertical direct venting2Vertical Terminations with Multiple Boilers Prepare roof penetrations4Concentric Vertical Termination Vertical termination installationMm see -9, Multiventing vertical terminationsHydronic piping Hydronic piping Circulator sizing Flow switch adjustmentNear boiler piping connections Pressure Head Feet20F 25F 30F 35F 399 500 600 700 800Near boiler piping components 7Single Boiler Primary/Secondary Piping Number of Units Model Manifold Pipe Sizes in Inches mm Gas connections Connecting gas supply pipingPropane Gas Natural gasCheck inlet gas supply Nominal Natural Gas Pipe Capacity ChartIron Pipe Length of Pipe in Straight FeetGas Pressure Gas valve replacementLine voltage connections Field wiringInstallation must comply with Auxiliary device proving switch Outdoor temperature sensorHigh gas pressure switch Low gas pressure switchWiring of the cascade Alarm contactsSystem supply sensor Boiler management system3Low Voltage Field Wiring Connections Condensate drain Condensate disposalStart-up Freeze protection when usedCheck/control water chemistry Fill and test water systemCheck thermostat circuits Check for gas leaksInspect/fill condensate system Inspect/check condensate lines and fittingsStart the boiler Final checks before starting the boilerIf boiler does not start correctly Check system and boilerFor Your Safety Read Before Operating Natural Gas Propane Set space heating operationSet domestic hot water DHW operation Configuration of the cascadeGeneral Operating informationProtection features Cascade Boiler temperature regulationOutdoor reset operation, if used Sequence of the cascade DHW, Night Setback, and Ramp Delay operation with CascadeBLR Ignition Sequence of operationShutdown Knight XL control moduleInstaller Access modesUser To save parameters and exit programmingStandby ServiceSet Point Met PrepurgeControl will display the actual fan motor RPM SYS ***.*F10V in **.Vdc DelayOperation of the cascade Owner maintenance Maintenance Maintenance and annual startupService technician Address reported problems MaintenanceClean condensate trap Check all piping for leaks Inspect boiler areaCheck 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 electrodesReview with owner Check flame signalCleaning boiler heat exchanger High Voltage Diagrams2Ladder Diagram Page

800 specifications

Lochinvar 800 is a groundbreaking boiler system designed to meet the heating needs of modern residential and commercial buildings. Renowned for its reliability and advanced technology, the Lochinvar 800 promises efficiency and performance that set it apart from conventional heating systems.

One of the standout features of the Lochinvar 800 is its high-efficiency heat exchanger, which enables significantly lower energy consumption compared to traditional units. This efficiency translates to substantial energy savings, making it not only an environmentally friendly choice but also a cost-effective one. The system boasts an impressive thermal efficiency rating, often exceeding 95%, which ensures that a large portion of the energy consumed is converted into usable heat.

Incorporating cutting-edge control technologies, the Lochinvar 800 utilizes smart controls that enable precise temperature regulation. These controls provide users with the ability to program and adjust settings according to specific heating needs, enhancing comfort while minimizing energy waste. The integration of modulating gas burners further optimizes energy usage, continuously adjusting the output based on the current demand, thereby preventing energy loss.

Another key characteristic of the Lochinvar 800 is its compact and sleek design, allowing for easy installation in various spaces, from utility rooms to commercial settings. The boiler's lightweight construction means that it can be mounted in tight areas, providing flexibility that adapts to the needs of the installation site.

Safety features are a top priority for the Lochinvar 800, equipped with advanced diagnostics and monitoring systems that ensure trouble-free operation. These systems continually assess performance and identify potential issues before they can evolve into serious problems, promoting longevity and reliability.

The Lochinvar 800 is also compatible with various heating distribution systems, including radiant floor heating and traditional radiators, making it a versatile choice for a wide range of applications. Coupled with its low emissions profile, the Lochinvar 800 stands out as a sustainable option in today’s market.

In summary, the Lochinvar 800 represents a new era in boiler design, merging efficiency, innovative technology, and adaptability to meet the challenges of contemporary heating needs. Its advanced features ensure optimal performance while maintaining a commitment to environmental responsibility, making it an ideal solution for energy-conscious consumers.
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