State Industries 705 Series 200 installation manual Models 305 505 705, ANS Z21.10.3 CSA

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Direct Vent Tankless Water Heater

Operation and Installation Manual

Models:

305

505

705

FOR INDOOR APPLICATIONS ONLY

Models 305 and 505 are Energy Star Qualified

Table of Contents	2
Consumer Safety Information ..	4
Operating Instructions	5
Maintenance	8
Error Codes	9
Installation Instructions	13
Warranty	38

ANS Z21.10.3

●

CSA 4.3

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Contents ANS Z21.10.3 CSA Models 305 505 705Table of Contents Model 305 505 705 SpecificationsSafety Definitions Consumer Safety InformationSafety Behavior and Practices Safety Features Features Features Available on Temperature ControllersDescription of Operation Operating InstructionsTemperature Options Without a Temperature Controller Setting the TemperatureSetting Controller to Mute Temperature RangesModel Temperature Settings Available ºF Re-setting the Maximum TemperatureMaintenance Error Code Table Error CodesCode Fault Remedy Code Accessing Operating Information Trouble Shooting for Common IssuesWater Quality Water Heater Flushing the Heat Exchanger Error Code LC orGeneral Instructions Installation InstructionsAttachment of the Water Heater Clearances from ApplianceGas Piping Electrical ConnectionGeneral Instructions Pipe Sizing Procedure Example Pressure Relief Valve Water PipingFreeze Protection Water Heater Freeze Protection PipingQTY Recommended Piping for Basic InstallationFor this application Recommended Piping for Circulation SystemsFor this application Optional Piping for Circulation SystemsIntake / Exhaust Guidelines Venting InstructionsCondensate Maximum Vent Length Listed and Tested Vent Products for the 305 and 505 Models Venting ProductsListed and Tested Vent Products for the 705 Model Manufacturer Product PartsFlue Terminal Clearances ANS Z21.10.3 CSA Vent Terminal Area Where Terminal is not PermitttedInside Corner Additional Clearances Vent TerminalFlue Installation for the 305 and 505 Models Air Intake Assembly Flue Installation for the 705 ModelExhaust Pipe Assembly Venting Clearances to CombustiblesVertical Terminations Horizontal with Concentric TerminationConnecting Multiple Water Heaters High Altitude InstallationsNumber of Connected Water Heaters Accessories Necessary GuidelinesConfigurations Temperature Controller InstallationLocation Cable Lengths and SizeOutlineofofControllRem ter Mounting the ControllerOperating Instructions For Your Safety Read Before OperatingPressure Drop Curve Technical DataOutlet Flow Data Replacement Temperature SettingSpace Heating Pumps505 Models DimensionsHOT Ladder DiagramWhat is covered? WarrantyWhat will be done? What is not covered? How do I get service?Limitation on implied warranties U287-084