Existing vent as a chase | Lochinvar 51-211 guide

Installation & Operation Manual

5 Vertical direct venting

Existing vent as a chase

Follow all existing termination and clearance requirements and allowable pipe lengths. Use only approved venting materials listed in the General Venting Section of this manual.

Figure 5-10Existing Vent as a Chase

AIR INLET				FLUE EXHAUST

SEAL

CAP

EXISTING

SEAL

FLUE OUTLET

*For concept illustration only. Individual installations

may vary due to job site specific equipment.

34

Image 34

Lochinvar 51-211 operation manual Existing vent as a chase, AIR Inlet Flue Exhaust Seal CAP Existing Flue Outlet

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 Products 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 concrete wall Mounting the boilerMounting to a wood studded wall Mounting to a metal studded wall Direct venting options Sidewall Vent General ventingDirect venting options Vertical Vent Install vent and combustion air piping Air intake/vent connections Sizing Requirements for installation in CanadaLength Materials Air inlet pipe materials Air contamination Optional room airModel Kit Number Vent fittings Material StandardPrimer 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 Sidewall termination optional concentric vent Sidewall termination installationDescription and usage 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 Check inlet gas supply Natural Gas Pipe Capacity ChartLength of Pipe in Straight Feet for 1/2 PSI 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 Configuration of the cascade Verify DHW modeSet domestic hot water DHW operation 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 Installer Access modesUser Knight wall mount boiler control module 1Control Panel Call for Heat Operating information Dial Function Service technician Maintenance Maintenance and annual startupOwner maintenance Maintenance Check control settings Check ignition ground wiringCheck all boiler wiring Check expansion tank Cleaning boiler heat exchanger Check flame signalReview with owner Heat Exchanger Cleaning Kits Oiled bearing circulators Diagrams PC Interface 2Wiring Diagram