Lochinvar 151 operation manual 8Double Heater Double Tank

Page 43

Installation & Operation Manual

6 System piping (continued)

Figure 6-8Double Heater - Double Tank

COLD WATER

SUPPLY

EXPANSION

TANK

FLOW CHECK

VALVE (TYPICAL)

BUILDING

RETURN

HOT WATER

SUPPLY

THERMOMETER

MIXING VALVE

UNION (TYPICAL)

TEMPERATURE & PRESSURE RELIEF VALVE (TYPICAL)

STORAGE TANK (TYPICAL)

DRAIN (TYPICAL)

 

 

 

Number of Units

 

 

Model

2

3

4

5

6

7

8

 

 

Required Pipe Sizes in NPT

 

151

1 1/2"

2"

2"

2"

2 1/2"

3"

3"

200

1 1/2"

2"

2 1/2"

2 1/2"

3"

3"

4"

286

2"

2 1/2"

2 1/2"

3"

3"

4"

4"

400

2 1/2"

3"

3 1/2"

4"

4"

5"

5"

501

3"

3 1/2"

4"

5"

5"

5"

6"

601

3"

3 1/2"

4"

5"

5"

5"

6"

701

3"

4"

5"

5"

6"

6"

6"

801

3"

4"

5"

6"

6"

6"

6"

WATER

HEATER (TYPICAL)

FLOW SWITCH (TYPICAL)

WATER HEATER CIRCULATOR (TYPICAL)

BALL VALVE (TYPICAL)

Y-STRAINER (RECOMMENDED)

￿CAUTION

The piping will not support the weight of the water heater circulator pump. Do not attempt to support the weight of the water heater circulator pump with the piping or its accessories. Refer to the pump manufacturer’s installation instructions. Failure to comply could result in severe personal injury, death, or substantial property damage.

NOTICE

Please note that these illustrations are meant to show system piping concept only, the installer is responsible for all equipment and detailing required by local codes.

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Contents What to do if YOU Smell GAS Installation&OperationManual Models 151Contents Please read before proceeding When servicing the water heaterStainless steel heat exchanger Armor Water Heater How it worksModels 151 Models 601 Models 400CSA RatingsBefore locating the water heater, check Installation must comply withCloset and alcove installations Determine water heater location1Closet Installation Minimum Required Clearances Flooring and foundation Residential garage installationProvide air openings to room Vent and air pipingAreas likely to have contaminants Products to avoidDetermine water heater location Models 151 Prepare water heaterGas conversions Remove water heater from wood palletModel 3Installing Propane Orifice ModelLeveling the water heater Models 601Direct venting options Sidewall Vent General ventingDirect venting options Vertical Vent, Sidewall Air Direct venting options Vertical VentPVC/CPVC Vent piping materials Install vent and combustion air pipingRequirements for installation in Canada Installing vent or air pipingVent Pipe, and Fittings PVC/CPVC Air intake/vent connectionsStainless steel vent Air inlet pipe materialsModel Kit Number Stainlesssteelairintake/ventconnectionsFlue Flue Intake Air Adapter TerminationModel Air Intake Vent Removing from existing ventVent and air system Air contamination Optional room airVent, air piping and termination Model Kit Number DescriptionDetermine location If using the alternate sidewall terminationSidewall direct venting Vent/air termination sidewall3AClearance to Gravity Air Inlets Seal all wall cavities Prepare wall penetrationsMultiple vent/air terminations Prepare wall penetrations Alternate Field Supplied OptionTermination and fittings Sidewall termination optional concentric vent Models 151 Sidewall termination installationDescription and usage 11 Concentric Multiventing sidewall terminations 13Concentric Vent Sidewall AttachmentVent/air termination vertical Vertical direct ventingMultiple vent/air terminations Prepare roof penetrationsVertical termination optional concentric vent Models 151 Vertical termination installationMinimum Combustion AIR Typical Multiventing vertical terminationsConcentric Venting Arrangement Alternate vertical concentric venting10Existing Vent as a Chase Existing vent as a chaseSystem water piping methods Flow switch and relief valve installationFlow switch adjustment System pipingPiping components ScaldingWater chemistry 4Single Heater Single Tank 2 Temperature Cold Water Supply Cold Water Supply Number of Units Model 8Double Heater Double Tank Gas connections Connecting gas supply pipingPropane gas Natural gasCheck inlet gas supply Single Unit Natural Gas Pipe Capacity ChartLength of Pipe in Straight Feet for 1/2 PSI Gas pressure Gas valve replacementLow voltage connections Field wiringInstallation must comply with Line voltage connectionsFlow switch Tank thermostat Low gas pressure switchLouver proving switch High gas pressure switchWiring of the cascade Alarm contactsRuntime contacts 3Low Voltage Field Wiring Connections Condensate drain Condensate disposalInspect/check condensate lines and fittings Start-upCheck for gas leaks Inspect/fill condensate system Chlorine concentration less than 200 ppmCheck system and water heater Final checks before starting the water heaterStart the water heater If water heater does not start correctlyFor Your Safety Read Before Operating 3Operating Instructions Models 400 Natural Gas Propane Set tank set point temperatureVerify WHR circulator mode Set water heater operationSet clock Configuration of the cascadeGeneral Operating informationWater heater temperature regulation User InstallerCascade Sequence of the cascadeOperation Display Sequence of operation1Control Panel Armor water heater control moduleWater heater Information Dial Function Service technician Maintenance Maintenance and annual startupOwner maintenance Maintenance Check water system Check ignition ground wiringCheck all water heater wiring Check control settingsCheck burner flame Check flame signalCleaning heat exchanger Perform start-up and checksOiled bearing circulators Check Delta TModel Kit Part Component Number Description PC Interface Diagrams2Wiring Diagram Page Page AWII-I-O Rev C
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151 specifications

Lochinvar 151,286 is a notable model in the realm of commercial water heating solutions, designed primarily for large-scale applications. This model incorporates advanced technologies and features that set it apart in terms of efficiency, usability, and reliability.

One of the hallmark features of Lochinvar 151,286 is its high-efficiency system that leverages condensing technology. This technology enables the unit to extract additional heat from exhaust gases, allowing it to operate at an impressive annual fuel utilization efficiency (AFUE) rating. This not only reduces energy consumption, but it also significantly lowers operational costs.

The Lochinvar 151,286 is equipped with a robust stainless steel heat exchanger, which provides both durability and enhanced thermal efficiency. This design withstands the rigors of high-demand environments, making it ideal for restaurants, schools, hospitals, or any facility requiring consistent hot water supply. Its compact footprint allows it to be installed in tight spaces without sacrificing performance.

Another standout characteristic is its intelligent control system. The built-in touchscreen interface offers users an intuitive way to manage settings, monitor performance, and troubleshoot issues. This smart technology aids in simplifying maintenance and improves overall system reliability. The unit also features advanced safety protocols, including multiple sensors that monitor operation and provide alerts in case of irregular performance.

In terms of capacity, the Lochinvar 151,286 can deliver an impressive output, accommodating varying demands with ease. Its innovative modulation capabilities allow the unit to adjust its heating output based on real-time hot water needs, ensuring unmatched comfort and efficiency.

Supporting the model’s performance are versatile connectivity options. Lochinvar 151,286 can integrate seamlessly with building management systems, allowing facility managers to monitor and control heating processes remotely. This level of connectivity not only enhances control but also supports energy-saving strategies across the facility.

In conclusion, Lochinvar 151,286 stands out as a premium choice for commercial water heating needs. With its high-efficiency ratings, durable construction, intelligent control system, impressive capacity, and versatile connectivity, it ensures that hot water is delivered reliably and efficiently, meeting the demands of modern businesses while reducing energy costs. This combination of technology and design makes it an essential component for any large-scale facility focused on performance and sustainability.
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