Water Piping Diagrams
Before installation of water piping review the following:
1.See Mixing Valves on page 69.
2.See Dishwashing Machines on page 69.
3.See
4.See Closed Systems and Thermal Expansion on page 69
5.See Water Line Connections on page 69.
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 69.
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 69.
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 |
STATE 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.