American Water Heater GT-505-PI Manuel d'utilisateur

Tankless Water Heater System Design ManualPlumbing schematics for singleand multiple tankless water heaters in use with domestic systems, recirculatio

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

2Certifications...3 Water Quality and Scale ...

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

23Domestic Hot Water - Circulation Systems3 Tankless Water Heaters with Gas or Electric TankPreferred Piping InstallationTanklessWater HeaterTanklessW

24TanklessTanklessTanklessTanklessDrawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure Regulato

25Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveB

26Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveB

27Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveB

28Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveB

29Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveB

3ApprovalsCertified to applicable U.S. standards for appliances using gas or other petroleum fuel. Certified to applicable Canadian standards for appl

30Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveB

31Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveB

32Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveB

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi

34Notes

35Notes

• 500 Tennessee Waltz Parkway • Ashland, TN 37015 •

4Water Quality and Scale A complete water analysis and an understanding of system requirements are needed to protect the tankless water heaters and wa

5Pump Sizing for Circulation 1. Use the chart below or one appropriate for your conditions to determine the heat loss in the length of the hot water s

6Tank Water Heaters in a Circulation Loop The following applies when using a tank water heater (gas or electric) to provide heat for a circulation loo

The following applies when using tankless water heaters to recover a storage tank. Drawing WH-1-B is an example. Tankless water heaters hav

8Pressure Loss CurvesPressure Loss (psi) Water Flow (gpm) 0.05.010.015.020.025.030.035.040.045.0012345678910110.010.020.030.040.050.060.0Pressure Los

Drawing Number:Drawing Date:Pressure Relief Valve3/4" Ball Valve3/4" UnionCheck ValveKeySPressure RegulatorCirculating PumpSolenoid ValveBoi