American Water Heater HCG3 130T 300 instruction manual Tank Temperature ALT. Cold Water

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.

69

ONE WATER HEATER, SINGLE TEMPERATURE

WITH VERTICAL 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.

LEGEND

TEMPERATURE & PRESSURE

RELIEF VALVE

PRESSURE RELIEF VALVE

CIRCULATING PUMP

TANK OR LINE TEMPERATURE

CONTROL

HOT WATER
OUTLET	DRAIN

FULL PORT BALL VALVE

CHECK VALVE

TEMPERATURE GAGE

WATER FLOW SWITCH

PIPE T&P TO

OPEN DRAIN

FINISHED

FLOOR

		LINE TEMPERATURE
		CONTROL
AMERICAN STORAGETANK	TANK TEMPERATURE
	ALT. COLD WATER
	CONTROL	HOT WATER
		RETURN
	CONNECTION
		COLD WATER
		SUPPLY
		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.