Lochinvar 151 operation manual Contents

Page 2

Contents

HAZARD DEFINITIONS

2

PLEASE READ BEFORE PROCEEDING

3

THE ARMOR WATER HEATER -- HOW IT WORKS....

4-6

RATINGS

7

1. DETERMINE WATER HEATER LOCATION

 

Provide Clearances

8

Provide Air Openings to Room

10

Flooring and Foundation

10

Residential Garage Installation

10

Vent and Air Piping

10

Prevent Combustion Air Contamination

10

Corrosive Contaminants and Sources

11

Using an Existing Vent System to Install a New Water

Heater

11

Removing a Water Heater from Existing Common Vent . 12

2. PREPARE WATER HEATER

 

Remove Water Heater from Wood Pallet

13

Gas Conversions

13-15

Leveling the Water Heater

15

3. GENERAL VENTING

 

Direct Venting Options

16-17

Install Vent and Combustion Air Piping

18

PVC/CPVC Vent Piping Materials

18

Requirements for Installation in Canada

18

Installing Vent or Air Piping

18

PVC/CPVC Air Intake/Vent Connections

19

Air Inlet Pipe Materials

20

Stainless Steel Vent

20

Stainless Steel Air Intake/Vent Connections

21

Min./Max. Combustion Air & Vent Piping Lengths

22

Vent and Air Piping

22

Optional Room Air

23

4. SIDEWALL DIRECT VENTING

 

Vent/Air Termination - Sidewall

24-27

Determine Location

24-26

Prepare Wall Penetrations

26-27

Termination and Fittings

27

Multiple Vent/Air Terminations

27

Sidewall Termination - Optional Concentric Vent

28-30

5. VERTICAL DIRECT VENTING

 

Vent/Air Termination - Vertical

31-32

Determine Location

31

Prepare Roof Penetrations

32

Termination and Fittings

32

Multiple Vent/Air Terminations

32

Vertical Termination - Optional Concentric Vent

33-34

Alternate Vertical Concentric Venting

35-36

6. SYSTEM PIPING

 

System Water Piping Methods

37

Flow Switch and Relief Valve Installation

37

Flow Switch Adjustment

37

Scalding

38

Water Chemistry

38

Piping Components

38

7. GAS CONNECTIONS

 

Connecting Gas Supply Piping

44

Natural Gas

45

Pipe Sizing for Natural Gas

45

Natural Gas Supply Pressure Requirements

............. 45

Propane Gas

45

Pipe Sizing for Propane Gas

45

Propane Supply Pressure Requirements

45

Check Inlet Gas Supply

46

Gas Pressure

47

Gas Valve Replacement

47

8. FIELD WIRING

 

Line Voltage Connections

48

Low Voltage Connections

48

Wiring of the Cascade

50

9. CONDENSATE DISPOSAL

 

Condensate Drain

52

10. STARTUP

53-58

11. OPERATING INFORMATION

 

General

59

Cascade

61

Sequence of Operation

62

Armor Water Heater Control Module

63

Status Display Screens

64-66

12. MAINTENANCE

 

Maintenance & Annual Startup

67-71

13. DIAGRAMS

 

Ladder Diagram

72

Wiring Diagram

73

Revision Notes

Back Cover

Hazard definitions

The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product.

￿DANGER

￿WARNING

￿CAUTION CAUTION NOTICE

DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property damage.

NOTICE indicates special instructions on installation, operation, or maintenance that are important but not related to personal injury or property damage.

2

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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 NumberVent and air system Removing from existing ventModel Air Intake Vent 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 cavitiesTermination and fittings Prepare wall penetrations Alternate Field Supplied OptionMultiple vent/air terminations Description and usage Sidewall termination installationSidewall termination optional concentric vent Models 151 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 methodsWater chemistry ScaldingPiping components 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 gasLength of Pipe in Straight Feet for 1/2 PSI Single Unit Natural Gas Pipe Capacity ChartCheck inlet gas supply 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 switchRuntime contacts Alarm contactsWiring of the cascade 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 Owner maintenance Maintenance Maintenance and annual startupService technician 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 flameModel Kit Part Component Number Description Check Delta TOiled bearing circulators 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.