Lochinvar 260000, 45000 instruction

Notes

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Image 51

Lochinvar 260000, 45000 service manual

Contents

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