Lochinvar 81 - 286 operation manual Optional room air, Length, Removing from existing vent

Page 20

3 General venting

Table 3D Concentric Vent Kit Equivalent Vent Lengths

Model

Kit Number

Equivalent Vent

Length

 

 

81 - 211

CVK3003

3 feet

286

CVK3007

3 feet

Removing from existing vent

Installation & Operation Manual

There will be a noticeable increase in the noise level during normal operation from the inlet air opening.

Using the room air kit makes the unit vulnerable to combustion air contamination from within the building. Please review Section 1, Prevent Combustion Air Contamination, to ensure proper installation.

Vent system and terminations must comply with the standard venting instructions set forth in this manual.

Follow the instructions in Section 1, page 12 of this manual when removing a boiler from an existing vent system.

Vent and air piping

Vent and air system:

Installation must comply with local NOTICE requirements and with the National

Fuel Gas Code, ANSI Z223.1 for U.S. installations or CSA B149.1 for Canadian installations.

￿WARNING

When utilizing the single pipe method, provisions for combustion and ventilation air must be in accordance with Air for Combustion and Ventilation, of the latest edition of the National Fuel Gas Code, ANSI Z223.1, in Canada, the latest edition of CGA Standard B149 Installation Code for Gas Burning Appliances and Equipment, or applicable provisions of the local building codes.

You must also install air piping from outside to the boiler air intake adapter. The resultant installation is direct vent (sealed combustion).

You may use any of the vent/air piping methods covered in this manual. Do not attempt to install the Knight boiler using any other means.

￿WARNING DO NOT mix components from different systems. The vent system could fail,

causing leakage of flue products into the living space. Use only approved stainless steel, PVC or CPVC pipe and fittings. For PVC/CPVC use with primer and cement specifically designed for the material used.

Vent, air piping and termination:

The Knight boiler vent and air piping can be installed through the roof or through a sidewall. Follow the procedures in this manual for the method chosen. Refer to the information in this manual to determine acceptable vent and air piping

Table 3E Optional Room Air Kit

Model

Kit Number

81 - 211

KIT30052

286

KIT30053

Air contamination

Pool and laundry products and common household and hobby products often contain fluorine or chlorine compounds. When these chemicals pass through the boiler, they can form strong acids. The acid can eat through the boiler wall, causing serious damage and presenting a possible threat of flue gas spillage or boiler water leakage into the building.

Please read the information given in Table 1A, page 11, listing contaminants and areas likely to contain them. If contaminating chemicals will be present near the location of the boiler combustion air inlet, have your installer pipe the boiler combustion air and vent to another location, per this manual.

length.

Optional room air

Optional room air is intended for NOTICE commercial applications. Combustion air piping to the outside is recommended

for residential applications.

Commercial applications utilizing the Knight boiler may be installed with a single pipe carrying the flue products to the outside while using combustion air from the equipment room. In order to use the room air venting option the following conditions and considerations must be followed.

The unit MUST be installed with the appropriate room air kit (Table 3E).

The equipment room MUST be provided with properly sized openings to assure adequate combustion air. Please refer to instructions provided with the room air kit.

￿WARNING

￿WARNING

If the boiler combustion air inlet is located in a laundry room or pool facility, for example, these areas will always contain hazardous contaminants.

To prevent the potential of severe personal injury or death, check for areas and products listed in Table 1A, page 11 before installing the boiler or air inlet piping.

If contaminants are found, you MUST:

Remove contaminants permanently. —OR—

Relocate air inlet and vent terminations to other areas.

20

Image 20
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 RatingInstallation must comply with Closet and alcove installationsDetermine boiler location Before locating the boiler, check1Closet Installation Minimum Required Clearances Residential garage installation Provide air openings to roomVent 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 Prepare boiler Remove boiler from wood palletGas conversions Leveling the boilerGeneral venting Direct venting options Sidewall VentDirect venting options Vertical Vent Direct venting options Vertical Vent, Sidewall AirInstall vent and combustion air piping Requirements for installation in CanadaInstalling vent and air piping PVC/CPVC vent piping materialsPVC/CPVC air intake/vent connections Vent Pipe, and FittingsAir inlet pipe materials Stainless steel ventBoiler Flue Intake Air Adapter Termination Boiler FlueBoiler Removing from existing vent Optional room airLength If using the alternate sidewall termination Sidewall direct ventingVent/air termination sidewall Determine location2AClearance to Gravity Air Inlets Prepare wall penetrations Alternate Field Supplied Option Prepare wall penetrationsTermination and fittings Multiple vent/air terminationsDescription and usage Sidewall termination installationSidewall termination optional concentric vent 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 Near boiler piping connections Circulator sizingIndirect water heaters StrainerFeet PressureModel Minimum Pipe Pump Size GrundfosUP26-96 FC/VS IFC VS Stratos 1.25 3 x Variable speed pump setupVariable speed pump option 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 GasLength of Pipe in Straight Feet for 1/2 PSI Single Unit Natural Gas Pipe Capacity ChartCheck inlet gas supply Gas valve replacement Gas PressureField wiring Installation must comply withLine voltage connections Low voltage connectionsOutdoor temperature sensor Louver proving switchHigh gas pressure switch Low gas pressure switchFlow switch Alarm contactsWiring of the cascade ModBusManual 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 boiler2Operating Instructions 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 boiler control module Navigation DialUser Access modesInstaller Call for Heat Information Dial Function Maintenance Maintenance and annual startup Service technicianOwner maintenance See the Knight User’s Information Manual for InstructionsMaintenance Flue vent system and air pipingCheck water system Check expansion tankAddress reported problems Clean condensate trapInspect boiler area Inspect boiler interiorCheck ignition ground wiring Check all boiler wiringCheck control settings Check flame signalCleaning boiler heat exchanger Review with ownerOiled bearing circulators Kit Part Component Number DescriptionDiagrams PC Interface2Wiring Diagram
Related manuals
Manual 16 pages 57.5 Kb

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.