User Guide

42
NOTES
:
1.
Preferred piping
diagram.
2.
The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the system
.
3.
Service valves are shown for servicing unit. Howeve
r, local codes shall govern their usage.
4. The Tank T
emperature Control should be wired to and control the pump between the water heater(s) and the storage tank(s)
.
5. The water heater’s operating thermostat should be set 5 degrees F higher than the Tank Temperature Control.
SINGLE F
LUE
- (1 UNIT) WITH MIXING
VALVE TWO TEMPERATURE
LEGEND
TEMPERATURE & PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN
FULL PORT BALL VALVE TEMPERATURE GAGE WATER FLOW SWITCH CHECK VALVE
W
ARNING:
THIS DRA
WING SHOWS SUGGESTED
PIPING CONFIGUR
ATION AND OTHER DEVICES;
CHECK WITH LOCA
L CODES AND ORDINANCES
FOR
ADDITIONA
L REQUIREMENTS.
HOT WATER RETURN
MINIMUM
10´´ to 12´´
HOT WATER OUTLET
TEMPERED
WATER
RETURN
TEMPERED
WATER
OUTLET
COLD WATER SUPPLY
LINE
TEMPERATURE
CONTROL
COLDHOT
EXPANSION
TANK
PIPE T&P TO
OPEN DRAIN