General venting | Lochinvar 51-211 guide

Installation & Operation Manual

3 General venting

Direct venting options - Sidewall Vent

Figure 3-2PVC/CPVC Concentric Sidewall

Figure 3-1Two-Pipe Sidewall Termination - See

Termination - See page 26 for more details

page 22 for more details

Direct venting options - Vertical Vent

Figure 3-3Two-Pipe Vertical Termination - See page 29 for more details

Figure 3-4PVC/CPVC Concentric Figure 3-5Vertical Vent, Sidewall Vertical Termination - See page 31 Air

for more details

14

Image 14

Lochinvar 51-211 General venting, Direct venting options Sidewall Vent, Direct venting options Vertical Vent

Contents

Models 51 Contents When servicing boiler Please read before proceeding Knight Wall Mount Boiler How it works Stainless steel heat exchanger Gas connection pipe Models 51 Ratings Knight Wall Mount Boiler Ahri Rating Determine boiler location Installation must comply withCloset and alcove installations Before locating the boiler, check 1Closet Installation Minimum Required Clearances Wall mounting location PrecautionsVent and air piping Prevent combustion air contamination Areas 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 wall Direct venting options Vertical Vent General ventingDirect venting options Sidewall Vent Install vent and combustion air piping Air intake/vent connections Length Requirements for installation in CanadaSizing Materials Air inlet pipe materials Model Kit Number Optional room airAir contamination Primer Material StandardVent fittings Polypropylene Centrotherm InnoFlue SW Flue Stainless steel ventApproved Stainless Steel Vent Manufacturers Make Model Flue Intake Air Adapter Termination Vent/air termination sidewall If using the alternate sidewall terminationSidewall direct venting Determine location 2AClearance to Gravity Air Inlets Prepare wall penetrations Prepare wall penetrations Alternate Field Supplied Option Multiple vent/air terminations 5AMultiple Vent Terminations must also comply with -1A Description and usage Sidewall termination installationSidewall termination optional concentric vent 8Concentric Vent Dimensional Drawing Sidewall termination optional concentric vent models 10Concentric Vent Sidewall Attachment Multiventing sidewall terminations Vertical direct venting Vent/air termination vertical Prepare roof penetrations 2Vertical Terminations with Multiple Boilers Vertical termination installation Vertical termination optional concentric vent Multiventing vertical terminations Minimum Combustion AIR Typical Alternate vertical concentric venting Concentric Venting Arrangement Existing vent as a chase AIR Inlet Flue Exhaust Seal CAP Existing Flue Outlet Low water cutoff device Hydronic pipingSystem water piping methods General piping information Chilled water system Near boiler piping components Near boiler piping connections Circulator sizing Pump Size Grundfos Armstrong Variable speed pump option Smart System / Multi-temperature loop control optionVariable speed pump setup UP26-96 FC/VS IFC VS Stratos 1.25 3 x 3Single 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 connections Natural gas Propane Gas Length of Pipe in Straight Feet for 1/2 PSI Natural Gas Pipe Capacity ChartCheck inlet gas supply Gas valve replacement Gas Pressure Line voltage connections Field wiringInstallation must comply with Low voltage connections Flow switch Outdoor temperature sensorLouver proving switch Thermostat System supply sensor Alarm contactsWiring of the cascade Boiler management system 4Low Voltage Field Wiring Connections Condensate disposal Condensate drain Check/control water chemistry Freeze protection when usedStart-up Fill and test water system Inspect/fill condensate system Clean/Inspect Trap AssemblyCheck for gas leaks Check thermostat circuits Inspect/check condensate lines and fittings If boiler does not start correctly Final checks before starting the boilerStart the boiler Check system and boiler 2Operating Instructions Set space heating operation Natural Gas Propane Set domestic hot water DHW operation Verify DHW modeConfiguration of the cascade How the boiler operates Operating informationGeneral How the control module operates Temperature control Protection features Boiler temperature regulation Outdoor reset operation, if used Cascade Sequence of operation Operation Display User Access modesInstaller Knight wall mount boiler control module 1Control Panel Call 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 tank Review with owner Check flame signalCleaning boiler heat exchanger Heat Exchanger Cleaning Kits Oiled bearing circulators Diagrams PC Interface 2Wiring Diagram