Water Piping Diagrams

Before installation of water piping review the following:

1.See Mixing Valves on page 14.

2.See Dishwashing Machines on page 14.

3.See Temperature-Pressure Relief Valve on page 15.

4.See Closed Systems and Thermal Expansion on page 14

5.See Water Line Connections on page 40.

6.If a pump is being installed between a water heater and storage tank or on a building recirculation loop wire according to Figure 63 on page 66.

7.If a pump is being installed in a recirculation loop between the water heater and a commercial dishwasher wire according to Figure 63 or Figure 64 on page 66.

70

ONE WATER HEATER, SINGLE TEMPERATURE

WITH HORIZONTAL STORAGE TANK FORCED RECIRCULATION WITH BUILDING RECIRCULATION

WARNING: THIS DRAWING SHOWS SUGGESTED

PIPING CONFIGURATION AND OTHER DEVICES;

CHECK WITH LOCAL CODES AND ORDINANCES

FOR ADDITIONAL REQUIREMENTS.

PIPE T&P TO

OPEN DRAIN

AMERICAN

STORAGE TANK

FINISHED

FLOOR

LEGEND

TEMPERATURE & PRESSURE

FULL PORT BALL VALVE

RELIEF VALVE

 

PRESSURE RELIEF VALVE

MIXING VALVE

 

CIRCULATING PUMP

CHECK VALVE

 

TANK OR LINE TEMPERATURE

TEMPERATURE GAGE

CONTROL

 

DRAIN

WATER FLOW SWITCH

HOT WATER

OUTLET

LINE TEMPERATURE

CONTROL

HOT WATER

RETURN

TANK TEMPERATURE

CONTROL

COLD WATER

ALTERNATE TANKSUPPLY

TEMPERATURE

CONTROL LOCATION

EXPANSION

TANK

NOTE:

The water heater’s Operating Set Point should be set 5° higher than the Tank Temperature Control in the auxiliary storage tank.

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American Water Heater HCG3 130T 300 instruction manual American Storage Tank