Water Piping Diagrams
Before installation of water piping review the following:
1.See Mixing Valves on page 70.
2.See Dishwashing Machines on page 70.
3.See
4.See Closed Systems and Thermal Expansion on page 70
5.See Water Line Connections on page 70.
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 70.
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 70.
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
STATE
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.