Lochinvar 151 operation manual Water heater

Page 64

Installation & Operation Manual

11 Operating information

Figure 11-2Status Display Screen

 

 

 

 

 

 

Status Display Screens

 

 

 

 

 

 

 

 

 

Section

 

Display

Description

 

 

STANDBY

The unit has not received a call for heat from a remote thermostat nor

 

 

has it received a call for heat from a DHW thermostat.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

START

The unit has begun a burn cycle and is checking all safety circuits.

 

 

 

 

 

 

 

 

 

 

 

PREPURGE

The unit has initiated a 10 second purge period on a call for heat.

 

 

 

 

 

 

 

 

 

 

 

IGNITION

The unit has begun a 4 second spark period to ignite the main burner.

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

%

 

 

 

The unit has fired and is running at the displayed percentage.

(Water heater

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The call for heat has been satisfied and the unit runs the fan for an

Status Bar)

 

 

 

 

 

 

 

 

POSTPURGE

additional 10 seconds to clear the combustion chamber and vent

 

 

 

 

 

 

 

 

system of residual flue products.

 

 

 

 

 

 

 

 

 

 

 

SHUTDOWN

The unit has been placed in the OFF position.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The controlled temperature has exceeded its set point and its offset.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLOCKED

The unit has detected a condition that has temporarily interrupted

 

 

the current call for heat.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

The tank thermostat or sensor has a call for heat.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Call for Heat

 

 

 

 

 

 

 

The unit is being controlled by a 0 - 10V BMS signal.

 

 

 

 

 

 

 

Indicators)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The member unit is supplying heat while in Cascade Mode.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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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 CSAInstallation must comply with Closet and alcove installationsDetermine water heater location Before locating the water heater, check1Closet Installation Minimum Required Clearances Residential garage installation Provide air openings to roomVent and air piping Flooring and foundationProducts to avoid Areas likely to have contaminantsDetermine water heater location Prepare water heater Gas conversionsRemove water heater from wood pallet 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 AirInstall vent and combustion air piping Requirements for installation in CanadaInstalling vent or air piping PVC/CPVC Vent piping materialsPVC/CPVC Air intake/vent connections Vent Pipe, and FittingsAir inlet pipe materials Stainless steel ventStainlesssteelairintake/ventconnections FlueFlue Intake Air Adapter Termination Model Kit NumberModel Air Intake Vent Removing from existing ventVent and air system Optional room air Vent, air piping and terminationModel Kit Number Description Air contaminationIf using the alternate sidewall termination Sidewall direct ventingVent/air termination sidewall Determine location3AClearance to Gravity Air Inlets Prepare wall penetrations Seal all wall cavitiesMultiple 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 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 ChaseFlow switch and relief valve installation Flow switch adjustmentSystem piping System water piping methodsPiping components ScaldingWater 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 gasCheck inlet gas supply Single Unit Natural Gas Pipe Capacity ChartLength of Pipe in Straight Feet for 1/2 PSI Gas valve replacement Gas pressureField wiring Installation must comply withLine voltage connections Low voltage connectionsTank thermostat Low gas pressure switch Louver proving switchHigh gas pressure switch Flow switchWiring of the cascade Alarm contactsRuntime contacts 3Low Voltage Field Wiring Connections Condensate disposal Condensate drainStart-up Check for gas leaks Inspect/fill condensate systemChlorine concentration less than 200 ppm Inspect/check condensate lines and fittingsFinal checks before starting the water heater Start the water heaterIf water heater does not start correctly Check system and water heaterFor Your Safety Read Before Operating 3Operating Instructions Models 400 Set tank set point temperature Verify WHR circulator modeSet water heater operation Natural Gas PropaneConfiguration of the cascade Set clockOperating information GeneralWater heater temperature regulation Installer CascadeSequence of the cascade UserSequence of operation Operation DisplayArmor water heater control module 1Control PanelWater heater Information Dial Function Service technician Maintenance Maintenance and annual startupOwner maintenance Maintenance Check ignition ground wiring Check all water heater wiringCheck control settings Check water systemCheck flame signal Cleaning heat exchangerPerform start-up and checks Check burner flameOiled bearing circulators Check Delta TModel Kit Part Component Number Description Diagrams PC Interface2Wiring 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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