Lochinvar CG150, CG200 warranty Models CGN,L150 & CGN,L200

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MODELS CG(N,L)150 & CG(N,L)200

COMMERCIAL GAS, GLASS-LINED, TANK-TYPE WATER HEATER

• INSTALLATION • OPERATION • MAINTENANCE • LIMITED WARRANTY

Thank you for buying this energy efficient water heater. We appreciate your confidence in our products.

CAUTION

TEXT IN BLACK BOLD TYPE OR UNDERLINED CONTAINS

INFORMATION RELATIVE TO YOUR SAFETY. PLEASE READ

THOROUGHLY BEFORE INSTALLING AND USING THIS

APPLIANCE.

300 Maddox Simpson Parkway

Lebanon, TN 37090

Phone: 615-889-8900 • Fax: 615-547-1000

Technical Service email: 2tech@lochinvar.com

www.Lochinvar.com

PLACE THESE INSTRUCTIONS ADJACENT TO HEATER

AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.

Printed in U.S.A. 1011

322880-000

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Contents Models CGN,L150 & CGN,L200 Recovery Rating Capacities GPH AT Temperature Rise Shown ROUGH-IN-DIMENSIONSForeword Table of Contents High Altitude Installations FeaturesExtended NON-USE Periods Insulation BlanketsExhaust Inducer Blower Assembly High Limit SwitchElectronic Ignition Control Circulating PumpUncrating Required AbilityLocating the Heater LevelingConfined Space VentingWater Line Connections Multiple Heater ManifoldWater Potable Heating Space Heating Relief ValvePurging GAS PipingGAS Pressure Regulator Length Nominal Iron Pipe Sizes Inches FeetSingle Unit Wiring Diagram Heater WiringGeneral Installation DiagramsHorizontal Storage Tank and Forced Circulation Vertical Storage Tank and Forced CirculationPage Circulating Return Line Connection Heater with Mixing Valve and Recirculated Sanitizing Loop TWO PRE-HEATERS with Booster Heater Horizontal Storage Tank Sequence of Operation OperationWhat to do if YOU Smell GAS For Your Safety Read Before OperatingWater Temperature Control Preventive MaintenanceCheck the Ignitor Assembly Ignitor AssemblyGAS Valves Remote Storage Tank Temperature ControlChecking the Input Venting SystemAnode ROD Inspection HOT Water OdorFlushing DrainingSystem Diagnostics Tank Cleanout ProcedureDeliming Solvents Ignition Module SystemReplacement Parts ServiceElectrical Servicing Ignitor after Sequence of Operation Flow ChartComplaint Cause User Serviceman Operational ChecklistRemedy Limited Warranty Copyright 2011 Lochinvar, LLC, All rights reserved