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Lochinvar
51 Install vent and combustion air piping, Requirements for installation in Canada
Models:
51
1
16
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Install
Diagrams
Gas valve replacement
Maintenance
Configuration of the cascade
Connecting gas supply piping
Variable speed pump setup
Clean/Inspect Trap Assembly
Alarm contacts
Check control settings
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Contents
Models 51
Contents
When servicing boiler
Please read before proceeding
Knight Wall Mount Boiler How it works
Stainless steel heat exchanger
Models 51
Ratings
Knight Wall Mount Boiler =B=R Rating
Installation must comply with
Closet and alcove installations
Determine boiler location
Before locating the boiler, check
1Closet Installation Minimum Required Clearances
Provide air openings to room
Vent and air piping
Wall mounting location
Prevent combustion air contamination
Products to avoid
When using an existing vent system to install a new boiler
Areas likely to have contaminants
When removing a boiler from existing common vent system
Remove boiler from wood pallet
Prepare boiler
Gas conversions
Mounting the boiler
Mounting to a concrete wall
Mounting to a metal studded wall
Mounting to a wood studded wall
General venting
Direct venting options Sidewall Vent
Direct venting options Vertical Vent
Direct venting options Vertical Vent, Sidewall Air
Install vent and combustion air piping
Requirements for installation in Canada
Installing vent and air piping
PVC/CPVC Vent piping materials
PVC/CPVC air intake/vent connections
Air inlet pipe materials
Approved Stainless Steel Vent Manufacturers
Make
Stainless steel vent
Boiler Flue
Boiler
Boiler Flue Intake Air Adapter
Stainless steel air intake/vent connections
Removing from existing vent
Vent and air system
Vent, air piping and termination
Optional room air
Model Kit Number KIT30051 Air contamination
If using the alternate sidewall termination
Sidewall direct venting
Vent/air termination sidewall
Vent Size
2AClearance to Gravity Air Inlets
Prepare wall penetrations
Prepare wall penetrations Alternate Field Supplied Option
Termination and fittings
Multiple vent/air terminations
Sidewall termination optional concentric vent
Sidewall termination installation
Description 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
Hydronic piping
Near boiler piping components
Near boiler piping connections
Circulator sizing
Minimum Pipe Pump Size Grundfos
Model
Armstrong
Variable speed pump setup
Variable speed pump option
Model Grundfos
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
Multiple Boilers Multiple Temperatures
Model
8Single Boiler Zoned with Valves
Model
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 Chart
Length of Pipe in Straight Feet for 1/2 PSI
Gas valve replacement
Gas Pressure
Field wiring
Installation must comply with
Line voltage connections
Low voltage connections
Outdoor temperature sensor
Louver proving switch
Flow switch
Thermostat
Alarm contacts
Wiring of the cascade
System supply sensor
Boiler management system
Installation
Condensate disposal
Condensate drain
Freeze protection when used
Start-up
Check/control water chemistry
Fill and test water system
Clean/Inspect Trap Assembly
Check for gas leaks Check thermostat circuits
Inspect/fill condensate system
Inspect/check condensate lines and fittings
Final checks before starting the boiler
Start the boiler
If boiler does not start correctly
Check system and boiler
2Operating Instructions
Set space heating operation
Natural Gas Propane
Configuration of the cascade
Verify DHW mode
Set domestic hot water DHW operation
Operating information
General
Protection features
Boiler temperature regulation
Outdoor reset operation, if used
Cascade
Sequence of operation
Operation Display
Installer
Access modes
User
Knight wall mount boiler control module
1Control Panel
Call for Heat
Information
Right Select no
Service technician
Maintenance Maintenance and annual startup
Owner maintenance
Maintenance
Check ignition ground wiring
Check all boiler wiring
Check control settings
Check expansion tank
Check flame signal
Cleaning boiler heat exchanger
Review with owner
Oiled bearing circulators
Diagrams
PC Interface
2Wiring Diagram
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