Diagrams, Schematic Diagram M9 Unit | Lochinvar 45000, 260000

9 Diagrams

Schematic Diagram - M9 Unit

45,000 - 260,000 Btu/hr Models

50

Installation & Service Manual

Wiring Diagram - M9	Unit
45,000 - 260,000 Btu/hr	Models

Image 50

Lochinvar 45000, 260000 service manual Diagrams, Schematic Diagram M9 Unit, 45,000 260,000 Btu/hr Models

Contents

Models 45,000 260,000 Btu/hr Contents Warranty Please read before proceeding Codes Solution Boiler =B=R Rating Ratings Solution How it works Temperature and pressure gauge Solution How it works Solution How it works Determine boiler location Location of unit 3Combustion Air Direct from Outside 6Combustion Air from Outside Single Opening Minimum Recommended Combustion AIR Supply to Equipment Room Vent Pipe Sizes VentingConventional Negative Draft Venting System Venting Vertical Vent Termination Clearances Less from Ridge From Parapet Wall Vent Materials Masonry Chimney InstallationSidewall Venting Negative Draft Fan Assisted Venting Automatic Vent Damper 7Vent Damper and Vent Damper Terminal Block Gas Connection Gas connectionsGas Supply Gas Pressure Test Install Piping to Control Gas Piping Gas Manifold Pressure Adjustment Procedure 2Wrench Checking Gas Supply Pressure 4Gas Supply Pressure Two Stage Burner Control System Combination Gas ValvesVenting of Combination Gas Valves Relief Valve Water Flow Switch if equippedWater connections Minimum Required Flow For Heating Boiler Typical Heating Boiler InstallationsLow Water Cutoff if equipped General Plumbing Rules System Temperature Rise Chart Piping of the Boiler System Circulator Pump Requirements Heat Exchanger Pressure Drop ChartWater Connections Circulator Pump Operation Circulator Pump SpecificationsPrimary/Secondary Boiler Piping Boiler Flow Rates Low Temperature Bypass RequirementsFull Flow Application Primary / Secondary Piping Make UP Water Make UP Water 6Multiple Boilers Zoned with Circulators Full System Flow From System 8Single Boiler Full System Flow with Low Temperature Bypass Electrical connections Terminal Strip WiringBoiler Operating Temperature Control Auxiliary Device Connection to Terminal Strip Temperature Adjustment AMP Draw Data Maximum SET Point Determination Maximum Set Point Determination Installation of Remote Sensors Outdoor Air Temperature SensorWiring of Remote Sensors Outdoor Air Reset Option Additional Temperature Controls Blocked Vent and Flame Roll-Out / Flame Interlock Switch 7Blocked Vent Switch Location Initial Start-up Pre-start ChecklistStart-up Lighting Instructions for Spark Ignition Pilot Models To Turn Off Gas to Appliance Safety Shutoff Test for Spark Ignition Pilot SystemOperating Instructions Water Treatment Intermittent Pilot Spark Ignition SystemFreeze Protection Ignition and Control Timings Owner maintenance Maintenance Maintenance and annual startupService technician See the User’s Information Manual for instructions Maintenance Check Expansion Tank Check Relief Valve Heat Exchanger / Burner Access Check All WiringCheck Control Settings Perform Start-up and Checks Inspection and Cleaning Breathing Fresh air Gas Train and Controls Review with ownerInspection of Heat Exchanger Waterways Water Circulating Pump Troubleshooting Troubleshooting Guide M9 Solution Boilers Wiring Diagram M9 Unit 45,000 260,000 Btu/hr Models DiagramsSchematic Diagram M9 Unit 45,000 260,000 Btu/hr Models