Lochinvar CF-CH(E)-i&s-08, 999 - 750, 399 service manual Safety Information

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Hydronic Heating Boilers and Domestic Water Heaters

SAFETY INFORMATION

The information contained in this manual is intended for use by qualified professional installers, service technicians or gas suppliers. Consult your local expert for proper installation or service procedures.

IMPORTANT: Read this owner’s manual carefully and completely before trying to install, operate, or service this unit. Improper use of this unit can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning.

DANGER: Carbon Monoxide poisoning may lead to death!

IMPORTANT: Consult and follow local building and fire regulations and other safety codes that apply to this installation. Consult your local gas utility company to authorize and inspect all gas and flue connections.

WARNING: Should overheating occur or the gas supply fail to shut off, do not turn off or disconnect the electrical supply to the pump. Instead, shut off the gas supply at a location external to the unit.

WARNING: To minimize the possibility of serious personal injury, fire or damage to your unit, never violate the following safety rules.

1.This unit is only for use with the type of gas indicated on the rating plate.

2.If you smell gas

shut off gas supply

do not try to light any appliance

do not touch any electrical 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

3.Boilers and water heaters are heat producing appliances. To avoid damage or injury, do not store materials against the appliance or the vent-air intake system. Use proper care to avoid unnecessary contact (especially children) with the appliance and vent-air intake components.

4.Never cover your unit, lean anything against it, store trash or debris near it, stand on it or in any way block the flow of fresh air to your unit.

5.UNDER NO CIRCUMSTANCES MUST FLAMMABLE MATERIALS SUCH AS GASOLINE OR PAINT THINNER BE USED OR STORED IN THE VICINITY OF THIS APPLIANCE, VENT-AIR INTAKE SYSTEM OR ANY LOCATION FROM WHICH FUMES COULD REACH THE APPLIANCE OR VENT-AIR INTAKE SYSTEM.

6.Appliance surfaces become hot during operation. Be careful not to touch hot surfaces. Keep all adults, children, and animals away from operation of the hot unit. Severe burns can occur.

7.You must take adequate care to prevent scald injury when storing water at elevated temperatures for domestic use.

8.This unit must have an adequate supply of fresh air during operation for proper gas combustion and venting.

9.Make sure all exhaust venting is properly installed and maintained. Improper venting of this unit could lead to increased levels of carbon monoxide.

10.Do not use this boiler if any part has been under water. Immediately call a qualified service technician to replace the boiler. The possible damage to a flooded boiler can be extensive and present numerous safety hazards. Any appliance that has been under water must be replaced.

11.Do not alter this unit in any way. Any change to this unit or its controls can be dangerous.

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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 ChimneyLength of Air Inlet Pipe Combustion Air Inlet PipingSidewall Air Inlet Vertical Rooftop Air Inlet ClearancesCombined Air Inlet Points Vent System OptionsBarometric Damper Location Negative Draft Conventional Negative Draft VentingFlue Outlet Piping 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 51-100 101-200 201-300 301-500Checking Gas Supply Pressure Combination Gas ValvesVenting of Combination Gas Valves Multiple Unit Installations Gas Supply Pipe Sizing Gas Manifold Pressure AdjustmentTable L Connecting to Water Supply Relief Valve Water Flow SwitchLow Water Cutoff Water Connections Heating Boilers Only General Plumbing RulesCirculator Pump Requirements Heat Exchanger Pressure Drop Chart Circulator Pump SpecificationsPump Installation and Maintenance Primary/Secondary Boiler PipingTable O LTV Valve Kits Low Temperature Return Water SystemsInput LTV Valve Kit Btu/hr 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-ROperating Modes Ignition Systems and StagesProgramming Buttons Temperature Control Access LevelsPlacement of Sensors Programming For Mode 1, Boiler Operation Graphic SymbolsStaging Logic 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 PumpElectrical Heat Exchanger CleaningCombustion and Ventilation Air Set Up Procedure Adjusting Differential Air PressureAdjustment 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.