29
June 2009 | Printed in U.S.A. | ©
A.
O.
Smith
For
Technical Information a
nd
Automated Fax Service, call 800-527-1953 or visit ww
w
.hotwater
.com.
AOSDG61
16
1 | 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 layout.
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 boiler
. However
, local codes shall govern their usage.
4.
Maximum piping length between tank and boiler should not exceed a total of 50 equivalent feet constructed of 2 inch pipe
size or larger
.
VF BOILERS VW(500
-1
000)
- ONE BOILER/VER
TICAL
ST
ORAGE
TANK
RECOVER
Y SYSTEM (ONE
TEMPERA
TURE)
LEGEND
TEMPER
AT
URE & PRESSURE
RELIEF
VA
LV
E
PRESSURE RELIEF
VA
LV
E
CIRCULA
TING PUMP
REMOTE
TEMPER
AT
URE
PROB
E
DRAIN
FULL
PO
RT
BAL
L
VA
LV
E
TEMPER
AT
URE GAGE
WA
TER FLOW SWITC
H
CHECK
VA
LV
E
CAUTION:
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
SYSTEM RETURN
COLD WA
TER
SUPP
LY
EX
PA
NSION
TA
NK
{HOT
WA
TER
TO
FIXTURES}
AOS
STORAGE
TANK
ALTERNATE CONNECTION
DANGER
TE
M
PE
R
AT
U
R
E
SE
TT
IN
G
S
H
O
U
LD
N
O
T
EX
C
EE
D
S
A
FE
USE
TEMPERA
TURE
AT
FIXTURES.
IF
HIGHER
PREHEA
T
TE
M
PE
R
AT
U
R
ES
A
R
E
N
EC
ES
SA
RY
T
O
O
B
TA
IN
A
D
EQ
U
AT
E
BOOSTER
OUTPUT
, ADD
AN
ANTI-SCALD
VAL
VE
FOR
HOT
W
ATER SUPPLIED T
O FIXTURES,
SEE T
ABLE 1
1.
ONE VF (MODEL
VW) HOT W
ATER SUPPL
Y BOILER WITH VERTICAL
T
ANK
FIGURE 14.
•
INST
ALL
IN
ACCORDANCE
WITH
ALL
LOCAL
CODES.
•
W
H
E
N
B
LO
W
D
O
W
N
V
A
LV
E
I
S
R
E
Q
U
IR
E
D
,
IN
S
TA
LL
IN PLACE OF
THE DRAIN V
AL
VE SHOWN.