Water Piping Diagrams
Before installation of water piping review the following:
1.See Mixing Valves on page 73.
2.See Dishwashing Machines on page 73.
3.See
4.See Closed Systems and Thermal Expansion on page 73
5.See Water Line Connections on page 73.
6.If a pump is being installed between a water heater and storage tank or on a building recirculation loop wire according to Figure 64 on page 73.
7.If a pump is being installed in a recirculation loop between the water heater and a commercial dishwasher wire according to Figure 64 or Figure 65 on page 73.
FOUR WATER HEATERS, SINGLE TEMPERATURE WITH BUILDING RECIRCULATION
LEGEND
73
WARNING: THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS.
TEMPERATURE & PRESSURE RELIEF VALVE
PRESSURE RELIEF VALVE
CIRCULATING PUMP
TANK OR LINE TEMPERATURE CONTROL
DRAIN
FULL PORT BALL VALVE
CHECK VALVE
TEMPERATURE GAGE
WATER FLOW SWITCH
HOT WATER
OUTLET
PIPE T&P TO
OPEN DRAIN
FINISHED
FLOOR
PIPE T&P TO OPEN DRAIN
PIPE T&P TO OPEN DRAIN
| LINE TEMPERATURE | |
| CONTROL | |
PIPE T&P TO | HOT WATER | |
OPEN DRAIN | ||
RETURN | ||
|
COLD WATER
SUPPLY
EXPANSION
TANK