28
October 2009 | Printed in U.S.A. | ©
A.
O.
Smith
For
Technical Informatio
n and
Automated Fax Service, call 800-527-1953 or visit ww
w
.hotwater
.com.
AOSCG61
140 | P
AGE 1 of 1
A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.
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. However
, local codes shall govern their usage.
4.
The
Tank
Temperature 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 FL
UE
- (1 UNIT) WITH VER
TICAL
ST
ORAGE
TANK
LEGEND
TEMPER
AT
URE & PRESSURE
RELIEF
VA
LV
E
PRESSURE RELIEF
VA
LV
E
CIRCULA
TING PUMP
TA
NK TEMPER
AT
URE CONTRO
L
DRAIN
FULL
PO
RT
BAL
L
VA
LV
E
TEMPER
AT
URE GAGE
WA
TER FLOW SWITC
H
CHECK
VA
LV
E
W
ARNING: THIS
DR
AW
ING SHOWS SUGGESTED
PIPING CONFIGUR
AT
ION
AND OTHER DEVICES;
CHECK WITH LOCAL
CODES
AND ORDINANCES
FOR ADDITIONA
L
REQUIREMENTS.
FINISHED FLOOR
HO
TC
OLD
EXPANSION TANK
COLD WATER SUPPLY
HOT WATE
R
RETURN FROM FIXTURES
HOT WATE
R
TO FIXTURE
S
ALT. COLD WATER CONNECTION
PIPE T&P TO OPEN DRAIN
