State Industries 705 Series 200 Optional Piping for Circulation Systems, For this application

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Optional Piping for Circulation Systems

NOTE:

For residential and commercial applications, this piping arrangement reduces the warranty to the following:

3 years on heat exchanger

3 year on parts

Full warranty will be maintained if an on-demand recirculation system in incorporated. Refer to the Limited Warranty.

For this application:

Pump should be controlled by an Aquastat, Timer or Combination Aquastat and Timer.

Pump to be sized to maintain circulation loop temperature.

A minimum of 3 GPM flow is recommended for the circulation system.

The pump should be sized to overcome the pressure loss through the water heate r, supply and return plumbing.

Pump to be of bronze or stainless construc - tion.

Note: Water heater outlet temperature cannot be adjusted when circulation pump is running.

Minimum 3/4" Hot Water

Supply Line

Water Heater

Equipment List

QTY

 

 

 

Water Heaters

1

 

Plumbing Installation

1

Kit (Optional)

(3/4" Fittings Include:

2 Unions, 2 Ball Valves,

2 Drain Valves and

1 Pressure Relief Valve.)

3/4" Gas Connection

Gas Supply

Minimum 3/4“ Cold Water Supply Line

(Optional)

2-6 Gallon Storage Tank

(To eliminate cold water sandwich effect caused by frequent On/Off operation)

Expansion Tank

Building Fixture Outlets

 

KEY

3/4" Ball Valve

Pressure Regulator

 

3/4" Union

Circulating Pump

Check Valve

Boiler Drain Valve

Pressure Relief Valve

S Solenoid Valve

This is not an engineered drawing. It is intended only as a guide and not as a replacement for professionally engineered project drawings. This drawing is not intended to describe a complete system. It is up to the contractor/engineer to determine the necessary components and configuration of the particular system being installed. This drawing does not imply compliance with local building code requirements. It is the responsibility of the contractor/engineer to ensure installation is in accordance with all local building codes. Confer with local building officials before installation.

305, 505, 705 Indoor Manual

21

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Contents ANS Z21.10.3 CSA Models 305 505 705Table of Contents Model 305 505 705 SpecificationsConsumer Safety Information Safety DefinitionsSafety 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 Codes Error Code TableCode Fault Remedy Code Trouble Shooting for Common Issues Accessing Operating InformationWater Quality Water Heater Flushing the Heat Exchanger Error Code LC orGeneral Instructions Installation InstructionsAttachment of the Water Heater Clearances from ApplianceElectrical Connection Gas PipingGeneral Instructions Pipe Sizing Procedure Example Water Piping Pressure Relief ValveFreeze Protection Water Heater Freeze Protection PipingQTY Recommended Piping for Basic InstallationFor this application Recommended Piping for Circulation SystemsFor this application Optional Piping for Circulation SystemsVenting Instructions Intake / Exhaust GuidelinesCondensate 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 OperatingTechnical Data Pressure Drop CurveOutlet Flow Data Replacement Temperature SettingSpace Heating Pumps505 Models DimensionsHOT Ladder DiagramWarranty What is covered?What will be done? How do I get service? What is not covered?Limitation on implied warranties U287-084