81
AOS
STORAGE TANK
HOT WATER TO FIXTURES
FINISHED FLOOR
EXPANSION TANK
ALTERNATE CONNECTION
COLD WATER SUPPLY
SYSTEM RETURN
NOTES:
1.
Preferred piping diagram.
2.
The temperature and pressure relief valve setting shall not exc
eed pressure rating of any component in the system.
3.
Service valves are shown for servicing unit. However
, local codes shall govern their usage.
4.
A. O. Smith piping method is based on 50 equivalent feet of pip
ing. Boiler placement shall be as close as practical
to the
storage tank.
Applications in excess of these recommendations shall require a
licensed engineer for design assistance.
XP
BOILERS 1000–3400 -
ONE BOILER/VER
TICAL
ST
ORAGE
TANK RECOVER
Y
SYSTEM (ONE
TEMPERA
TURE)
LEGEND
TEMPERA
TURE & PRESSURE
RELIEF V
A
LVE
PRESSURE
RELIEF
VAL
VE
CIRCULA
TING PUMP
TANK
TEMPERA
TURE CONTROL
DRAIN
FULL
POR
T BALL
V
A
LVE
TEMPERA
TURE GAGE
W
ATER FLOW SWITCH
CHECK V
AL
VE
W
ARNING:
THIS DRA
WING SHOWS SUGGESTED
PIPING CONFIGURA
TION
AND OTHER DEVICES;
CHECK WITH LOCAL
CODES
AND ORDINANCES
FOR
ADDITIONAL
REQUIREMENTS.
MODEL
INLET
DIA.
OUTLET
DIA.
X
W
-1000
2”
2”
X
W
-1300
2”
2”
X
W
-1700
2.5”
2.5”
X
W
-2000
3”
3”
X
W
-1600
3”
3”
X
W
-3400
4”
4”
FIGURE
79.
HOT W
ATER SUPPL
Y BOILER WITH VERTICAL
T
ANK
