Lochinvar 51-211 operation manual Contents

Page 2

Contents

HAZARD DEFINITIONS

2

6. HYDRONIC PIPING

 

PLEASE READ BEFORE PROCEEDING

3

System Water Piping Methods

35

THE KNIGHT WALL MOUNT BOILER-- HOW IT WORKS

.. 4-5

Low Water Cutoff Device

35

RATINGS

6

Chilled Water System

35

1. DETERMINE BOILER LOCATION

 

Freeze Protection

35

Provide Clearances

7

General Piping Information

35

Provide Air Openings to Room

9

Near Boiler Piping Components

36

Wall Mounting Location

9

Near Boiler Piping Connections

37

Residential Garage Installation

9

Circulator Sizing

37

Vent and Air Piping

9

Variable Speed Pump Option

39

Prevent Combustion Air Contamination

9

7. GAS CONNECTIONS

 

Corrosive Contaminants and Sources

10

Connecting Gas Supply Piping

48

Using an Existing Vent System to Install a New Boiler

... 10

Natural Gas

49

Removing a Boiler from Existing Common Vent

11

Pipe Sizing for Natural Gas

49

2. PREPARE BOILER

 

Natural Gas Supply Pressure Requirements

............. 49

Remove Boiler from Wood Pallet

12

Propane Gas

49

Gas Conversions

12

Pipe Sizing for Propane Gas

49

Mounting the Boiler

13

Propane Supply Pressure Requirements

49

3. GENERAL VENTING

 

Check Inlet Gas Supply

50

Direct Venting Options

14

Gas Pressure

51

Install Vent and Combustion Air Piping

15

Gas Valve Replacement

51

Requirements for Installation in Canada

16

8. FIELD WIRING

 

Sizing

16

Line Voltage Connections

52

Min./Max. Combustion Air & Vent Piping Lengths

16

Low Voltage Connections

52

Materials

17

Wiring of the Cascade

54

Optional Room Air

18

9. CONDENSATE DISPOSAL

 

PVC/CPVC

19

Condensate Drain

56

Polypropylene

20

10. STARTUP

57-62

Stainless Steel Vent

21

11. OPERATING INFORMATION

 

4. SIDEWALL DIRECT VENTING

 

General

63

Vent/Air Termination - Sidewall

22-25

Cascade

66

Determine Location

22-23

Sequence of Operation

67-68

Prepare Wall Penetrations

24

Knight Wall Mount Boiler Control Module

69

Multiple Vent/Air Terminations

25

Status Display Screens

70-72

Sidewall Termination - Optional Concentric Vent

26-28

12. MAINTENANCE

 

5. VERTICAL DIRECT VENTING

 

Maintenance and Annual Startup

73-77

Vent/Air Termination - Vertical

29-30

13. DIAGRAMS

 

Determine Location

29

Ladder Diagram

78

Prepare Roof Penetrations

30

Wiring Diagram

79

Multiple Vent/Air Terminations

30

Revision Notes

Back Cover

Vertical Termination - Optional Concentric Vent ...

31-32

 

 

Alternate Vertical Concentric Venting

33-34

 

 

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.

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Contents Models 51 Contents When servicing boiler Please read before proceedingKnight Wall Mount Boiler How it works Stainless steel heat exchanger Gas connection pipeModels 51 Ratings Knight Wall Mount Boiler Ahri RatingDetermine boiler location Installation must comply withCloset and alcove installations Before locating the boiler, check1Closet Installation Minimum Required Clearances Wall mounting location PrecautionsVent and air piping Prevent combustion air contaminationAreas likely to have contaminants When using an existing vent system to install a new boilerProducts to avoid When removing a boiler from existing common vent system Gas conversions Prepare boilerRemove boiler from wood pallet Mounting to a concrete wall Mounting the boilerMounting to a wood studded wall Mounting to a metal studded wallDirect venting options Vertical Vent General ventingDirect venting options Sidewall Vent Install vent and combustion air piping Air intake/vent connectionsLength Requirements for installation in CanadaSizing Materials Air inlet pipe materialsModel Kit Number Optional room airAir contamination Primer Material StandardVent fittings Polypropylene Centrotherm InnoFlue SWFlue Stainless steel ventApproved Stainless Steel Vent Manufacturers Make Model Flue Intake Air Adapter TerminationVent/air termination sidewall If using the alternate sidewall terminationSidewall direct venting Determine location2AClearance to Gravity Air Inlets Prepare wall penetrations Prepare wall penetrations Alternate Field Supplied OptionMultiple vent/air terminations 5AMultiple Vent Terminations must also comply with -1ADescription and usage Sidewall termination installationSidewall termination optional concentric vent 8Concentric Vent Dimensional Drawing Sidewall termination optional concentric vent models10Concentric Vent Sidewall Attachment Multiventing sidewall terminationsVertical direct venting Vent/air termination verticalPrepare roof penetrations 2Vertical Terminations with Multiple BoilersVertical termination installation Vertical termination optional concentric ventMultiventing vertical terminations Minimum Combustion AIR TypicalAlternate vertical concentric venting Concentric Venting ArrangementExisting vent as a chase AIR Inlet Flue Exhaust Seal CAP Existing Flue OutletLow water cutoff device Hydronic pipingSystem water piping methods General piping information Chilled water systemNear boiler piping components Near boiler piping connections Circulator sizingPump Size Grundfos ArmstrongVariable speed pump option Smart System / Multi-temperature loop control optionVariable speed pump setup UP26-96 FC/VS IFC VS Stratos 1.25 3 x3Single Boiler Single Temperature Zoned with Circulators Number of Units 5Single Boiler Multiple Temperatures Required Pipe Sizes Model 8Single Boiler Zoned with Valves Model Number of Units 10Single Boiler Non-Zoned Primary/Secondary Piping Connecting gas supply piping Gas connectionsNatural gas Propane GasLength of Pipe in Straight Feet for 1/2 PSI Natural Gas Pipe Capacity ChartCheck inlet gas supply Gas valve replacement Gas PressureLine voltage connections Field wiringInstallation must comply with Low voltage connectionsFlow switch Outdoor temperature sensorLouver proving switch ThermostatSystem supply sensor Alarm contactsWiring of the cascade Boiler management system4Low Voltage Field Wiring Connections Condensate disposal Condensate drainCheck/control water chemistry Freeze protection when usedStart-up Fill and test water systemInspect/fill condensate system Clean/Inspect Trap AssemblyCheck for gas leaks Check thermostat circuits Inspect/check condensate lines and fittingsIf boiler does not start correctly Final checks before starting the boilerStart the boiler Check system and boiler2Operating Instructions Set space heating operation Natural Gas PropaneSet domestic hot water DHW operation Verify DHW modeConfiguration of the cascade How the boiler operates Operating informationGeneral How the control module operatesTemperature control Protection featuresBoiler temperature regulation Outdoor reset operation, if used CascadeSequence of operation Operation DisplayUser Access modesInstaller Knight wall mount boiler control module 1Control PanelCall for Heat Operating information Dial Function Owner maintenance Maintenance Maintenance and annual startupService technician Maintenance Check control settings Check ignition ground wiringCheck all boiler wiring Check expansion tankReview with owner Check flame signalCleaning boiler heat exchanger Heat Exchanger Cleaning Kits Oiled bearing circulatorsDiagrams PC Interface2Wiring Diagram
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