Lochinvar 399 operation manual Delay, 10V in **.Vdc

Page 65

Installation & Operation Manual

11 Operating information (continued)

Status Display Screens (cont’d)

By using the Previous/Next (￿, ￿) arrow keys on the SMART SYSTEM display panel, you can navigate through the eight (8) display screens. Each screen will contain two (2) viewable items. The following is a description of the individual items and what they can display:

Screen

Display shows:

Description

 

DHW PUMP: OFF

The control has not received a DHW call for heat and has not

 

powered the DHW pump.

 

 

 

 

 

 

ON

The control has received a DHW call for heat and has powered the

 

DHW pump.

#7

 

 

 

Delay

The DHW call for heat has been satisfied and the DHW pump is

 

 

running for a fixed time to remove any residual heat.

 

 

 

 

 

 

0-10V IN: **.Vdc

The control will display a 0-10Vdc signal received from a Building

 

Management System (BMS) connected to the unit.

 

 

 

 

 

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #8.

#8

SYS PUMP: OFF

The control has not received a call for heat from a remote thermostat

and has not powered the system pump.

 

 

 

ON

The control has received a call for heat from a remote thermostat and

has powered the system pump.

 

 

 

Delay

The system call for heat has been satisfied and the system pump is

running for a fixed time to remove any residual heat.

 

 

 

 

The control has either not received a call for heat from a remote

 

thermostat, a remote thermostat is not connected to the unit and the

BLR PUMP: OFF

water temperature has not dropped below the temperature set point

 

of the control to initiate a call for heat, or the control has received a

 

DHW call for heat from a DHW thermostat.

 

 

 

The control has received a call for heat from a remote thermostat or a

ON

remote thermostat is not connected and the water temperature has

dropped below the temperature set point of the control to initiate a

 

 

call for heat.

 

 

Delay

The call for heat has been satisfied and the boiler pump is running for

a fixed time to remove any residual heat.

 

 

 

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #9.

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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 electrodesCleaning boiler heat exchanger Check flame signalReview with owner Model Kit Part Component Number DescriptionHigh Voltage Diagrams2Ladder Diagram Page Page KBX-I-O Rev H
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399 specifications

Lochinvar 999 - 750, CF-CH(E)-i&s-08,399 is a cutting-edge boiler designed for commercial heating applications. With its robust construction and high efficiency, this model stands out in the crowded market of heating solutions.

One of the main features of the Lochinvar 999 - 750 is its exceptional thermal efficiency rating. The unit incorporates advanced condensing technology that allows it to recover heat from flue gases, which helps in achieving efficiency levels of up to 99%. This efficiency not only reduces energy consumption but also lowers operational costs, making it an excellent investment for businesses looking to minimize their carbon footprint.

The boiler is designed to provide a powerful output of 750 kW, ensuring it meets the heating demands of larger buildings or commercial spaces. Its capacity makes it suitable for a range of applications including schools, hospitals, and industrial facilities. Moreover, the unit features a built-in cascading system that enables multiple boilers to be connected, enhancing system reliability and flexibility.

In terms of technology, the Lochinvar 999 - 750 is equipped with a user-friendly touchscreen interface. This innovative control system allows operators to monitor and adjust settings with ease, providing real-time performance data and alerts for maintenance needs. The intelligent controls optimize operation to match the heating load, further enhancing energy efficiency.

Safety is a top priority with this model. It is built with multiple safety features such as automatic shut-off valves, pressure relief valves, and flame monitoring systems, ensuring safe operation under various conditions. The unit also adheres to stringent industry standards and regulations, making it a reliable choice for commercial applications.

Furthermore, the Lochinvar 999 - 750 is designed with serviceability in mind. Its compact footprint and accessible components simplify maintenance, reducing downtime and associated costs. The unit also supports a variety of fuel sources, including natural gas, propane, and biodiesel, providing flexibility to meet different facility requirements.

In summary, the Lochinvar 999 - 750, CF-CH(E)-i&s-08,399 represents a blend of efficiency, reliability, and safety in commercial heating. Its advanced technologies and thoughtful design make it a powerful solution for various heating needs, making it an ideal choice for businesses aiming for excellence in energy management and operational efficiency.
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