Lochinvar 51-211 operation manual Mounting the boiler, Mounting to a wood studded wall

Page 13
￿ WARNING

2 Prepare boiler (continued)

13.Reattach the wiring connector to the gas valve. Tighten the screw on the wiring connector to secure to the gas valve.

14.Turn the gas valve power switch to the “ON” position.

15.Reattach the bezel to the unit. Reconnect the ribbon cable to the control board.

16.After installation is complete, fill out the gas conversion label (in the conversion kit bag) and affix it to the unit under the boiler rating plate inside the unit. Attach the LP caution label (in the conversion kit bag) to the left side of the unit in the lower left corner.

17.Replace the front access cover.

￿ WARNING

After converting to LP, check combustion

per the Start-up procedure in Section 10

 

of this manual. Failure to check and

 

verify combustion could result in severe

 

personal injury, death, or substantial

 

property damage.

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 2-3Installing Propane Orifice

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mounting the boiler

See page 9 of this manual for boiler mounting location instructions.

NOTICE

The Knight Wall Mount boiler is not

intended for floor installation.

 

Mounting to a wood studded wall:

1.The wall mount bracket is designed for a stud spacing of 16 inches from center. For other stud spacing a solid mounting surface must be provided by the installer.

￿WARNING Do not mount the boiler to a hollow wall. Be sure to mount the boiler to the studs

only.

2.Mount the wall bracket using the 2 1/4" lag bolts provided. Make sure the top edge of the bracket is away from the wall. Ensure the bracket is level when mounted. Extreme care is needed to ensure the bolts are secured in the center of the studs.

3.Hang the boiler on the bracket and secure the bottom of the boiler with two (2) additional lag bolts provided.

Installation & Operation Manual

￿WARNING The boiler is too heavy for a single person to lift. A minimum of two people is needed

for mounting the boiler onto the bracket.

Mounting to a concrete wall:

1.Mount the wall bracket using the two (2) wedge anchor bolts provided with the bracket. To mount the wedge anchor bolts, drill a 1/4" diameter hole 1 1/8" deep and insert anchor. Hang the bracket from the anchor and secure with the two nuts provided. Make sure the top edge of the bracket is away from the wall. Ensure bracket is level when mounted. Extreme care is needed to ensure the bolts are secured in the center of the studs.

Note: If wall thickness does not allow a 1 1/8" deep hole, field supplied hardware suitable for the application should be provided.

2.Hang the boiler on the bracket and secure the bottom of the boiler with two (2) remaining anchors, following the

instructions above.

The boiler is too heavy for a single person to lift. A minimum of two people is needed for mounting the boiler onto the bracket.

Mounting to a metal studded wall:

1.The wall mount bracket is designed for a stud spacing of 16 inches from center. For other stud spacing a solid mounting surface must be provided by the installer.

￿WARNING Do not mount the boiler to a hollow wall. Be sure to mount the boiler to the studs only.

2.Mount the wall bracket using two (2) field supplied toggle bolts capable of supporting 100 pounds each. Ensure the top edge of the bracket is away from the wall. Ensure the bracket is level when mounted. Extreme care is needed to ensure the bolts are secured in the center of the studs.

3.Hang the boiler on the bracket and secure the bottom of the boiler with two (2) field supplied toggle bolts.

￿WARNING The boiler is too heavy for a single person to lift. A minimum of two people is needed

for mounting the boiler onto the bracket.

Figure 2-4Mounting the Boiler

WALL:

WOOD OR METAL STUDS ON 16" CENTERS

-OR-

MASONRY / POURED CONCRETE

MOUNTING BRACKET (FACTORY SUPPLIED)

FASTENERS

APPROPRIATE

FOR WALL TYPE

QTY: 4

13

Image 13
Contents Models 51 Contents Please read before proceeding When servicing boilerStainless steel heat exchanger Gas connection pipe Knight Wall Mount Boiler How it worksModels 51 Knight Wall Mount Boiler Ahri Rating RatingsCloset and alcove installations Installation must comply withDetermine boiler location Before locating the boiler, check1Closet Installation Minimum Required Clearances Vent and air piping PrecautionsWall mounting location Prevent combustion air contaminationProducts to avoid When using an existing vent system to install a new boilerAreas likely to have contaminants When removing a boiler from existing common vent system Remove boiler from wood pallet Prepare boilerGas conversions Mounting to a wood studded wall Mounting the boilerMounting to a concrete wall Mounting to a metal studded wallDirect venting options Sidewall Vent General ventingDirect venting options Vertical Vent Air intake/vent connections Install vent and combustion air pipingSizing Requirements for installation in CanadaLength Air inlet pipe materials MaterialsAir contamination Optional room airModel Kit Number Vent fittings Material StandardPrimer Centrotherm InnoFlue SW PolypropyleneApproved Stainless Steel Vent Manufacturers Make Model Stainless steel ventFlue Flue Intake Air Adapter TerminationSidewall direct venting If using the alternate sidewall terminationVent/air termination sidewall Determine location2AClearance to Gravity Air Inlets Prepare wall penetrations Alternate Field Supplied Option Prepare wall penetrations5AMultiple Vent Terminations must also comply with -1A Multiple vent/air terminationsSidewall termination optional concentric vent Sidewall termination installationDescription and usage Sidewall termination optional concentric vent models 8Concentric Vent Dimensional DrawingMultiventing sidewall terminations 10Concentric Vent Sidewall AttachmentVent/air termination vertical Vertical direct venting2Vertical Terminations with Multiple Boilers Prepare roof penetrationsVertical termination optional concentric vent Vertical termination installationMinimum Combustion AIR Typical Multiventing vertical terminationsConcentric Venting Arrangement Alternate vertical concentric ventingAIR Inlet Flue Exhaust Seal CAP Existing Flue Outlet Existing vent as a chaseSystem water piping methods General piping information Hydronic pipingLow water cutoff device Chilled water systemNear boiler piping components Circulator sizing Near boiler piping connectionsArmstrong Pump Size GrundfosVariable speed pump setup Smart System / Multi-temperature loop control optionVariable speed pump option 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 Gas connections Connecting gas supply pipingPropane Gas Natural gasCheck inlet gas supply Natural Gas Pipe Capacity ChartLength of Pipe in Straight Feet for 1/2 PSI Gas Pressure Gas valve replacementInstallation must comply with Field wiringLine voltage connections Low voltage connectionsLouver proving switch Outdoor temperature sensorFlow switch ThermostatWiring of the cascade Alarm contactsSystem supply sensor Boiler management system4Low Voltage Field Wiring Connections Condensate drain Condensate disposalStart-up Freeze protection when usedCheck/control water chemistry Fill and test water systemCheck for gas leaks Check thermostat circuits Clean/Inspect Trap AssemblyInspect/fill condensate system Inspect/check condensate lines and fittingsStart the boiler Final checks before starting the boilerIf boiler does not start correctly Check system and boiler2Operating Instructions Natural Gas Propane Set space heating operationConfiguration of the cascade Verify DHW modeSet domestic hot water DHW operation General Operating informationHow the boiler operates How the control module operatesProtection features Temperature controlBoiler temperature regulation Cascade Outdoor reset operation, if usedOperation Display Sequence of operationInstaller Access modesUser 1Control Panel Knight wall mount boiler control moduleCall for Heat Operating information Dial Function Service technician Maintenance Maintenance and annual startupOwner maintenance Maintenance Check all boiler wiring Check ignition ground wiringCheck control settings Check expansion tankCleaning boiler heat exchanger Check flame signalReview with owner Oiled bearing circulators Heat Exchanger Cleaning KitsPC Interface Diagrams2Wiring Diagram
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