State SBD85 365NE A - Manual (Page 47)

47
N
OTES
:
1.
P
re
ferred
piping
diagram
.
2.
The
tempera
ture
and
pre
ss
ure
relie
f valve
se
tting
shall
no
t exceed
pressure
ra
ting
o
f any
componen
t in
the
sys
tem
.
3.
S
ervi
ce
v
al
ves
are
s
hown
for
ser
vicing
uni
t.
Howeve
r,
local
codes
shall
govern
their
usage
.
MUL
TI FLUE (2 UNITS) TWO TEMPER
ATURE
LEGEND
TEMPERA
TURE & PRESSURE
RELIEF V
A
LVE
PRESSURE RELIEF V
A
LVE
CIRCULA
TING PUMP
TA
NK
T
EM
PE
R
AT
URE C
O
N
TR
O
L
DRAIN
FULL
POR
T
BALL
V
A
LVE
TEMPERA
TURE GAGE
W
ATER FLOW SWITCH
CHECK V
A
LVE
W
ARNING:
THIS DRA
W
ING SHOWS SUGGESTED
PIPING CONFIGURA
TION
AND OTHER DEVICES;
CHECK WITH LOCAL
CODES
AND ORDINANCES
FOR
ADDITIONAL
REQUIREMENTS.
BOOSTER WATER RETURN
PRE-HEATED WATER TO BOOSTER
BOOSTER WATER TO FIXTURES
HOT WATER TO FIXTURES
EXPANSION TANK
HOT WATER RETURN
COLD WATER SUPPLY
1st HEATER
BOOSTER HEATER