Lochinvar 399 Adjust Menu Setting Descriptions, Table-Q, Adjust Menu Settings for Operating Modes

Page 44

Hydronic Heating Boilers and

Domestic Water Heaters

OPERATION Continued

TABLE-Q

Adjust Menu Settings for Operating Modes

Mode 1

Mode 1

Mode 2

Mode 3

(no outdoor sensor)

(outdoor sensor)

STG MODE (**Models 650 - 990)

STG MODE (**Models 650 - 990) STG MODE (**Models 650 - 990)STG MODE(**Models 650 - 990)

*BOIL MAX

OUTDR START

*BOIL MAX

*BOIL MAX

*SEn (no system sensor)

OUTDR DSGN

Set point TARGET 1

*ΔT MIN

Set point TARGET 1

BOIL START

DIFF 1

*ΔT MAX

DIFF 1

BOIL DSGN

Set point TARGET 2

units

Set point TARGET 2

WWSD

DIFF 2

 

DIFF 2

*BOIL MAX

Set point TARGET 3

 

Set point TARGET 3

*BOIL MIN

DIFF 3

 

DIFF 3

*BOIL MASS

Set point TARGET 4 (** Models 1260 - 2070 only)

Set point TARGET 4 (** Models 1260 - 2070 only) BOIL DIFF

DIFF 4

 

DIFF 4

Set point TARGET

*STG DLY

 

*STG DLY

*ΔT MIN

*ΔT MIN

 

*ΔT MIN

*ΔT MAX

*ΔT MAX

 

*ΔT MAX

units

units

 

units

Note: * indicates the setting is only available in the advanced access level ** units listed in KBtu

TABLE-R

View Menu Information

Menu Description

STG MODE Stage Mode

OUTDR Outdoor air temperature

BOIL TARGET Boiler target temp during outdoor

reset operation

BOIL SUP Actual system sensor temp

BOIL OUT Actual boiler supply water temp

BOIL IN Actual boiler return water temp

BOIL ΔT Temp difference between supply and return

TANK Actual tank temp

BOIL ON Accumulated runtime of boiler (up to 999 hours, then resets to 0)

Adjust Menu Setting Descriptions

BOIL MAX

Maximum boiler target supply temperature [either 200°F (93°C) or 250°F (121°C)].

SEn

Select whether staging is based on the boiler inlet or outlet sensor.

Set Point TARGET (1, 2, 3, or 4)

Temperature set point target for stages 1, 2, 3, or 4. Typically, users set the four different stages a few degrees apart. This allows segments of the heater to come on as the temperature drops.

DIFF (1, 2, 3, or 4)

Temperature differential for stages 1, 2, 3, or 4.

STG DLY

Stage delays can be set as follows:

Btu/hr Input

Stages

399,999 - 500,000

1 and 2

650,000 - 750,000

1,2 and 3

990,000

1,2 and 3 or 1,3 and 2

1,260,000 - 2,070,000

1,2 and 3,4 or 1,3 and 2,4

ΔT MIN

Set temperature at which purging stops.

ΔT MAX

Set temperature at which ΔT Max Error Code is generated.

UNITS

Set temperature reading at either °F or °C.

OUTDR START

Outdoor starting temperature.

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Contents Domestic Water Heaters Hydronic Heating Boilers and Domestic Water Heaters General Product Information UnpackingSafety Information Installation Installation Clearances from Combustible ConstructionOutdoor Boiler Installation LocationFreeze Protection Pump OperationShut-Down and Draining Freeze Protection for a Heating Boiler System if requiredCombustion and Ventilation AIR Combustion Air FilterCombustion Air Options Outside Combustion Air, No DuctsCombustion Air from Interior Space Venting Exhaust FansGeneral Information Vertical Vent Termination Clearances and LocationSidewall Vent Termination Clearances and Location ChimneySidewall Air Inlet Combustion Air Inlet PipingLength of Air Inlet Pipe Vertical Rooftop Air Inlet ClearancesBarometric Damper Location Vent System OptionsCombined Air Inlet Points Flue Outlet Piping Conventional Negative Draft VentingNegative Draft Vertical DirectAire Venting Vertical Vent Termination Clearances and LocationInstallation Vent Kits Venting of Flue ProductsSidewall Venting Sidewall FanSidewall Venting Termination Sidewall Venting Without FanVenting Guidelines Masonry Chimney Installation Horizontal DirectAire VentingVent Kits Direct VentingVertical DV Venting Termination Connecting the Air Inlet Pipe to the Unit Horizontal DV Venting TerminationFlue Pipe Materials Combustion Air Inlet PipingAir Inlet Piping Materials Sealing PVC, CPVC, ABS, Dryer Vent, and Flex Duct Vent PipeOutdoor Installation Venting MaximumOutdoor Vent/Air Inlet Location Outdoor Vent Cap KitConnecting to GAS Supply Connecting Gas Piping to UnitGas Piping Gas Pressure TestGas Train and Controls TABLE-JBtu/hr Distance From Meter in feet Input 51-100 101-200 201-300 301-500Venting of Combination Gas Valves Combination Gas ValvesChecking Gas Supply Pressure Table L Gas Manifold Pressure AdjustmentMultiple Unit Installations Gas Supply Pipe Sizing Connecting to Water Supply Low Water Cutoff Water Flow SwitchRelief Valve Circulator Pump Requirements General Plumbing RulesWater Connections Heating Boilers Only Heat Exchanger Pressure Drop Chart Circulator Pump SpecificationsPump Installation and Maintenance Primary/Secondary Boiler PipingInput LTV Valve Kit Btu/hr Low Temperature Return Water SystemsTable O LTV Valve Kits Radiant Floor and Snow Melt Heating Systems 10ºF 20ºF 30ºF 40ºFTemperature/Pressure Gauge Boiler Flow RatePlacing the Boiler in Operation Boiler Bypass RequirementsInstallation with a Chilled Water System Boiler Operating Temperature ControlWater Treatment Terminal Strip Connection OptionsFor Your Safety Read Before Operating Remote ON/OFF Boiler or Water HeaterOperation Power Up Quick Programming OverviewTo Turn Off Gas To Appliance Standard Btu/hr ModelsAdjust Menu Setting Descriptions Adjust Menu Settings for Operating ModesTABLE-Q TABLE-RProgramming Buttons Ignition Systems and StagesOperating Modes Placement of Sensors Access LevelsTemperature Control Staging Logic Graphic SymbolsProgramming For Mode 1, Boiler Operation Programming For Mode 2, Water Heating Operation Programming For Mode 3, Sequenced OperationRemote Mounting of Sensors TABLE-SError and Warning Messages HOT Surface Ignition SystemHot Surface Igniter and Ignition Control Module Hot Surface Ignition Control ModuleDiagnostic Status Indication Access to Internal Control PanelIgnition Control Diagnostic Codes Removing the Control PanelOperation and Diagnostic Lights Status LED Diagnostic CodesIgnition and Control Timings Hot Surface Ignition Module Timings NominalRequired Temperature Rise Temperature Rise ChartWater Velocity Control Water ChemistryPipe Size Requirements Circulating PumpTABLE-X 399,999 750,000 Btu/hr ModelsPotable Hot Water Temperature Control Settings Minimum Pump PerformanceHeat Exchanger TABLE-YHigh Water Temperature Limit Control Optional Relief ValveThermal Expansion Location of Cold Water Supply Piping ConnectionsFlue Gas Passageways Cleaning Procedures Burner Removal and CleaningAppliance Area Water Circulating PumpCombustion and Ventilation Air Heat Exchanger CleaningElectrical Adjustment Procedure Adjusting Differential Air PressureSet Up Procedure Servicing Hot Surface Igniter and Ignition Module Ignition System CheckoutSequence of Operation Ignition Troubleshooting Guide 990,000 2,070,000 Btu/hr Models Domestic Water Heaters Hydronic Heating Boilers Ladder Diagram 399,999 750,000 BTU/HR Models Hydronic Heating Boilers and Domestic Water Heaters Installation Ladder Diagram 990,000 2,070,000 BTU/HR Models Models Wiring Diagram Hydronic Heating Boilers and Domestic Water Heaters BTU/HR Models
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Manual 76 pages 58.86 Kb

399, CF-CH(E)-i&s-08, 999 - 750 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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