Lochinvar 151 operation manual Number of Units Model

Page 42

Installation & Operation Manual

6 System piping

Figure 6-7Double Heater - Single Tank

 

 

 

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"

COLD WATER

EXPANSION

SUPPLY

TANK

FLOW CHECK

 

VALVE (TYPICAL)

 

BUILDING

 

RETURN

 

HOT WATER

MIXING

SUPPLY

VALVE

THERMOMETER

 

TEMPERATURE

 

& PRESSURE

 

RELIEF VALVE

 

WATER HEATER

CIRCULATOR

(TYPICAL)WATER

HEATER (TYPICAL)

UNION (TYPICAL)

BALL VALVE (TYPICAL)

Y-STRAINER (RECOMMENDED)

STORAGE

TANK DRAIN

￿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 Installation&OperationManual Models 151 What to do if YOU Smell GASContents When servicing the water heater Please read before proceedingArmor Water Heater How it works Stainless steel heat exchangerModels 151 Models 400 Models 601Ratings CSADetermine water heater location Installation must comply withCloset and alcove installations Before locating the water heater, check1Closet Installation Minimum Required Clearances Vent and air piping Residential garage installationProvide air openings to room Flooring and foundationProducts to avoid Areas likely to have contaminantsDetermine water heater location Remove water heater from wood pallet Prepare water heaterGas conversions Models 1513Installing Propane Orifice Model ModelModels 601 Leveling the water heaterGeneral venting Direct venting options Sidewall VentDirect venting options Vertical Vent Direct venting options Vertical Vent, Sidewall AirInstalling vent or air piping Install vent and combustion air pipingRequirements for installation in Canada PVC/CPVC Vent piping materialsPVC/CPVC Air intake/vent connections Vent Pipe, and FittingsAir inlet pipe materials Stainless steel ventFlue Intake Air Adapter Termination Stainlesssteelairintake/ventconnectionsFlue Model Kit NumberRemoving from existing vent Model Air Intake VentVent and air system Model Kit Number Description Optional room airVent, air piping and termination Air contaminationVent/air termination sidewall If using the alternate sidewall terminationSidewall direct venting Determine location3AClearance to Gravity Air Inlets Prepare wall penetrations Seal all wall cavitiesPrepare wall penetrations Alternate Field Supplied Option Multiple vent/air terminationsTermination and fittings Sidewall termination installation Sidewall termination optional concentric vent Models 151Description and usage 11 Concentric 13Concentric Vent Sidewall Attachment Multiventing sidewall terminationsVertical direct venting Vent/air termination verticalPrepare roof penetrations Multiple vent/air terminationsVertical termination installation Vertical termination optional concentric vent Models 151Multiventing vertical terminations Minimum Combustion AIR TypicalAlternate vertical concentric venting Concentric Venting ArrangementExisting vent as a chase 10Existing Vent as a ChaseSystem piping Flow switch and relief valve installationFlow switch adjustment System water piping methodsScalding Piping componentsWater chemistry 4Single Heater Single Tank 2 Temperature Cold Water Supply Cold Water Supply Number of Units Model 8Double Heater Double Tank Connecting gas supply piping Gas connectionsNatural gas Propane gasSingle Unit Natural Gas Pipe Capacity Chart Check inlet gas supplyLength of Pipe in Straight Feet for 1/2 PSI Gas valve replacement Gas pressureLine voltage connections Field wiringInstallation must comply with Low voltage connectionsHigh gas pressure switch Tank thermostat Low gas pressure switchLouver proving switch Flow switchAlarm contacts Wiring of the cascadeRuntime contacts 3Low Voltage Field Wiring Connections Condensate disposal Condensate drainChlorine concentration less than 200 ppm Start-upCheck for gas leaks Inspect/fill condensate system Inspect/check condensate lines and fittingsIf water heater does not start correctly Final checks before starting the water heaterStart the water heater Check system and water heaterFor Your Safety Read Before Operating 3Operating Instructions Models 400 Set water heater operation Set tank set point temperatureVerify WHR circulator mode Natural Gas PropaneConfiguration of the cascade Set clockOperating information GeneralWater heater temperature regulation Sequence of the cascade InstallerCascade UserSequence of operation Operation DisplayArmor water heater control module 1Control PanelWater heater Information Dial Function Maintenance Maintenance and annual startup Service technicianOwner maintenance Maintenance Check control settings Check ignition ground wiringCheck all water heater wiring Check water systemPerform start-up and checks Check flame signalCleaning heat exchanger Check burner flameCheck Delta T Oiled bearing circulatorsModel Kit Part Component Number Description Diagrams PC Interface2Wiring Diagram Page Page AWII-I-O Rev C
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Manual 16 pages 16.89 Kb

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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